Items in Red are Distribution Denied
Note: These items are from the legacy database until our new database is live.
| Publisher | Last Owner | Country | Distribution |
|---|---|---|---|
| M. Adams | UK | Unknown | |
| M. Angel Rios Domingo | Spain | Unknown | |
| M. Anne Foster | UK | Unknown | |
| M. Ansdell | UK | Unknown | |
| M. Astarita | Italy | Unknown | |
| M. Barber | UK | Unknown | |
| M. Bawtree | UK | Unknown | |
| M. Bianchi | Italy | Unknown | |
| M. Blythe | UK | Unknown | |
| M. Bourne | UK | Unknown | |
| M. Colgan | UK | Unknown | |
| M. Cowley | UK | Unknown | |
| M. Crenes | Spain | Unknown | |
| M. Dabbene | Italy | Unknown | |
| M. de Guilhermier | France | Unknown | |
| M. de Vries | Netherlands | Unknown | |
| M. Dixon | UK | Unknown | |
| M. Eastwood | UK | Unknown | |
| M. Elson | UK | Unknown | |
| M. Eugenia Cuervo | Spain | Unknown | |
| M. Felaco | Italy | Unknown | |
| M. Fernandez | Spain | Unknown | |
| M. Foreman | UK | Unknown | |
| M. Furby | UK | Unknown | |
| M. Gamble | UK | Unknown | |
| M. Gascon | Spain | Unknown | |
| M. Gordon-Kerr | UK | Unknown | |
| M. Gorlitz | Germany | Unknown | |
| M. Hagan | UK | Unknown | |
| M. Hargreaves | UK | Unknown | |
| M. Hawksworth | UK | Unknown | |
| M. Hives | UK | Unknown | |
| M. Howell | UK | Unknown | |
| M. Huppertz | Netherlands | Unknown | |
| M. Javier Reyes | Spain | Unknown | |
| M. Jenks | UK | Unknown | |
| M. Kennedy | UK | Unknown | |
| M. King | UK | Unknown | |
| M. Knight | UK | Unknown | |
| M. Lappin | UK | Unknown | |
| M. Latsch | Germany | Unknown | |
| M. Laverty | UK | Unknown | |
| M. Lenz | Germany | Unknown | |
| M. Loftus | UK | Unknown | |
| M. Long | UK | Unknown | |
| M. Marx | UK | Unknown | |
| M. Mayne | UK | Unknown | |
| M. McKay | UK | Unknown | |
| M. Novkovic | Slovenia | Unknown | |
| M. Parrish | UK | Unknown | |
| M. Perea | Spain | Unknown | |
| M. Perez | Spain | Unknown | |
| M. Pike | UK | Unknown | |
| M. Prado | Spain | Unknown | |
| M. Preston | UK | Unknown | |
| M. Price | UK | Unknown | |
| M. Price Kayem Partnership | UK | Unknown | |
| M. Probert | UK | Unknown | |
| M. Reimann | Germany | Unknown | |
| M. Resinanti | Italy | Unknown | |
| M. Rossetti | UK | Unknown | |
| M. Salmon | UK | Unknown | |
| M. Sanchez | Spain | Unknown | |
| M. Sanvico | Italy | Unknown | |
| M. Savin | UK | Unknown | |
| M. Sebares | Spain | Unknown | |
| M. Simper | UK | Unknown | |
| M. Simpson | UK | Unknown | |
| M. Skarpetis | Greece | Unknown | |
| M. Soor | Germany | Unknown | |
| M. Spiridonenko | Russia | Unknown | |
| M. Stephenson | UK | Unknown | |
| M. Streeton | UK | Unknown | |
| M. Taylor | UK | Unknown | |
| M. Thurston | UK | Unknown | |
| M. Titov | Russia | Unknown | |
| M. Tranter | UK | Unknown | |
| M. Trinder | UK | Unknown | |
| M. Vasilyev | Russia | Unknown | |
| M. Vilar | France | Unknown | |
| M. Villate | Spain | Unknown | |
| M. Walker | UK | Unknown | |
| M. Wallis | UK | Unknown | |
| M. Waters | UK | Unknown | |
| M. West | UK | Unknown | |
| M. Williams | UK | Unknown | |
| M. Wood | UK | Unknown | |
| M. Zampach | UK | Unknown | |
| M.42 Software | Neil Talbott | UK | Allowed |
| M.A. Coles | UK | Unknown | |
| M.A. del Campo | Spain | Unknown | |
| M.A. George | UK | Unknown | |
| M.A. Gomez Flores | Spain | Unknown | |
| M.A. Hijosa | Spain | Unknown | |
| M.A. Lovell | UK | Unknown | |
| M.A. Lovell Software | UK | Unknown | |
| M.A. Paris | UK | Unknown | |
| M.A. Short | UK | Unknown | |
| M.A. Smith | UK | Unknown | |
| M.A. Trace | UK | Unknown | |
| M.A. Vicente Perez | Spain | Unknown | |
| M.A.P. Publications | Unknown | ||
| M.A.P. Software | UK | Unknown | |
| M.B. Daniells | UK | Unknown | |
| M.B. Software | UK | Unknown | |
| M.B.D. | Unknown | ||
| M.C. Albuquerque | Portugal | Unknown | |
| M.C. Evans | UK | Unknown | |
| M.C. Harrison | UK | Unknown | |
| M.C.G.V. | UK | Unknown | |
| M.Coder | Russia | Unknown | |
| M.D. Bradley | UK | Unknown | |
| M.D. Russell | UK | Unknown | |
| M.D. White | UK | Unknown | |
| M.E. Orzechowski | UK | Unknown | |
| M.E. Yates | UK | Unknown | |
| M.E.L. Chip Club | Croatia | Unknown | |
| M.F. Baker | UK | Unknown | |
| M.F. Valente | Portugal | Unknown | |
| M.F. van Vuren | Netherlands | Unknown | |
| M.G. Fincher | UK | Unknown | |
| M.G. Medina | Spain | Unknown | |
| M.G. Monteil | France | Unknown | |
| M.G.B. Software | Poland | Unknown | |
| M.H. Counsell | UK | Unknown | |
| M.I. Mander | UK | Unknown | |
| M.I. Turner and Son | UK | Unknown | |
| M.J. Cabello | Spain | Unknown | |
| M.J. Child | UK | Unknown | |
| M.J. Dora | UK | Unknown | |
| M.J. Edwards | UK | Unknown | |
| M.J. Gearing | UK | Unknown | |
| M.J. Hawkins | UK | Unknown | |
| M.J. Rapps | UK | Unknown | |
| M.K. | Poland | Unknown | |
| M.K. Circuits | UK | Unknown | |
| M.K. Denial | UK | Unknown | |
| M.L. Knights | UK | Unknown | |
| M.L.D. Caspersz | UK | Unknown | |
| M.M.A Soft | Russia | Unknown | |
| M.M.G. | UK | Unknown | |
| M.N. Soft | Germany | Unknown | |
| M.O. Bemyanko | Russia | Unknown | |
| M.P. Biddell | UK | Unknown | |
| M.P. Carter | UK | Unknown | |
| M.P. Sun | UK | Unknown | |
| M.S. Boboli M.Sc. | UK | Unknown | |
| M.S. Chubarov | Russia | Unknown | |
| M.T.V. | Russia | Unknown | |
| M.Th.A.M. Vijftigschild | Netherlands | Unknown | |
| M.V. Elias | France | Unknown | |
| M.W. Young | UK | Unknown | |
| M&H Software | UK | Unknown | |
| M&J Regan Software | UK | Unknown | |
| M&J Software | UK | Unknown | |
| M&Z | Unknown | ||
| MAC [1] | Unknown | ||
| MAC [2] | Spain | Unknown | |
| Mac [3] | Poland | Unknown | |
| MAC [4] | UK | Unknown | |
| Macbride | Peter K. McBride | UK | Allowed |
| MacDonald | UK | Unknown | |
| MACH | UK | Unknown | |
| Machinecraft Ltd | UK | Unknown | |
| Maciej J. Woloszyk | Poland | Unknown | |
| Maciej Maniecki | Poland | Unknown | |
| Maciej Zielinski | Unknown | ||
| Macloc | Italy | Unknown | |
| Macmillan Education Ltd | Macmillan Publishers Ltd | UK | Unknown |
| Macmillan Publishers Ltd | Unknown | ||
| Macmillan Publishing Company | Macmillan Publishers Ltd | USA | Unknown |
| Macmillan Software Ltd | Macmillan Publishers Ltd | UK | Unknown |
| Macquillan Electronics | UK | Unknown | |
| Macronics Systems Ltd | UK | Unknown | |
| Macsen Software | Macsen Software | UK | Unknown |
| Macsoft | UK | Unknown | |
| Macway Ltd | UK | Unknown | |
| MAD KILLER | Russia | Unknown | |
| Mad Max [2] | Maxim Romanov | Russia | Unknown |
| Mad Rain | Russia | Unknown | |
| Maddie | UK | Unknown | |
| Made in Spain | Zigurat Software S.L. | Spain | Allowed |
| MadMax [1] | Czech Republic | Unknown | |
| Madonna Mk 2 | Javier Rodriguez Cos | Spain | Allowed |
| Maelstrom Games Ltd | UK | Unknown | |
| Mafia P.C. | Ukraine | Unknown | |
| Magenta Electronics Ltd | UK | Unknown | |
| Magic Bytes | Magic Bytes | UK; Germany | Unknown |
| Magic Hand | Spain | Unknown | |
| Magic Moon | Ukraine | Unknown | |
| Magic Post Box | UK | Unknown | |
| Magic Realm Games | UK | Unknown | |
| Magic Soft [2] | Russia | Unknown | |
| Magic Software | UK | Unknown | |
| Magic Team | Software Center S.A. | Spain | Unknown |
| MagicMaster Software | Rastislav Misecka | Slovakia | Allowed |
| Magicom Inc | USA | Unknown | |
| Magicsoft [1] | UK | Unknown | |
| Magination Software | UK | Unknown | |
| Magnetic Fields | Magnetic Fields | UK | Allowed |
| Magnetic Magazines Ltd | Unknown | ||
| Magnetic Scrolls Ltd | UK | Unknown | |
| Magnetik | Russia | Unknown | |
| Magnificent 7 Software | UK | Unknown | |
| Magnum Computing | UK | Unknown | |
| Magnum Electronics | UK | Unknown | |
| Magnus Kristinn Jonsson | Magnus Kristinn Jonsson | Iceland | Allowed |
| Maincomp | UK | Unknown | |
| Maiolino | Italy | Unknown | |
| Majasoft | Czech Republic | Unknown | |
| Major Developments | UK | Unknown | |
| MAK Computer Graphics | Mark A. Jones | UK | Allowed |
| Maksim Gannutin | Russia | Unknown | |
| Maksim Kochetkov | Russia | Unknown | |
| Maksimov Alexander | Russia | Unknown | |
| Mal Gilliot | UK | Unknown | |
| Malan Associates | UK | Unknown | |
| Malcolm Brown | UK | Unknown | |
| Malcolm E. Evans | Malcolm E. Evans | UK | Allowed |
| Malcolm Goodman | UK | Unknown | |
| Malcolm Hellon | Unknown | ||
| Malcolm J. Herd | Belgium | Unknown | |
| Malcolm J. Smith | UK | Unknown | |
| Malcolm Kirk | Malcolm Kirk | UK | Allowed |
| Malcolm McKay | UK | Unknown | |
| Malcolm Neave | Malcolm Neave | UK | Allowed |
| Malcolm Paknadel | UK | Unknown | |
| Malcolm Perry | UK | Unknown | |
| Malcolm Plant | UK | Unknown | |
| Malcolm Ross | UK | Unknown | |
| Malcolm Short | UK | Unknown | |
| Malcolm Shykles | Malcolm Shykles | UK | Allowed |
| Malcolm Smith | UK | Unknown | |
| Malcolm Tyrrell | Malcolm Tyrrell | Ireland | Allowed |
| Malcolm Wright | UK | Unknown | |
| Malcolm Young | UK | Unknown | |
| Maldon Archaeological Group | UK | Unknown | |
| Malmberg | Netherlands | Unknown | |
| Malva Ltd | UK | Unknown | |
| Malvasi | Italy | Unknown | |
| Maly | Unknown | ||
| Mama Software | Germany | Unknown | |
| Mamel Pico | Mamel Pico | Spain | Allowed |
| Man Software | Cesar Hernandez Bano | Spain | Allowed |
| Manchester Business School | UK | Unknown | |
| Manchester United F.C. | Manchester United F.C. | UK | Unknown |
| Mancomp Ltd | UK | Unknown | |
| Mandarin Software | Europress Group | UK | Unknown |
| Mandragora Software | Spain | Unknown | |
| Mandy Rodrigues | Mandy Rodrigues | UK | Allowed |
| Manel | Spain | Unknown | |
| Manfred Fillinger | Germany | Unknown | |
| Manfred Nolton | Germany | Unknown | |
| Manfred Steinbach | Germany | Unknown | |
| Manic Miner Technologies | Norway | Unknown | |
| Maniu | Poland | Unknown | |
| Manjinder Rai | Manjinder Singh | UK | Allowed |
| Manjinder Singh | Unknown | ||
| Manoel Silva Rodrigues | Brazil | Unknown | |
| Manolo Lopez Garcia | Spain | Unknown | |
| Manor Software | UK | Unknown | |
| Manowar Software | Russia | Unknown | |
| Mansfield Computers & Electronics | UK | Unknown | |
| Manuel Albuquerque | Portugal | Unknown | |
| Manuel Alfonseca | Spain | Unknown | |
| Manuel Alparaz Lopez | Spain | Unknown | |
| Manuel Arana Larrea | Spain | Unknown | |
| Manuel Cervera | Spain | Unknown | |
| Manuel Cillero Penuela | Spain | Unknown | |
| Manuel Ciprian Pajuelo | Spain | Unknown | |
| Manuel Cubedo | Spain | Unknown | |
| Manuel Dominguez | Spain | Unknown | |
| Manuel Dominguez Zaragoza | Spain | Unknown | |
| Manuel Fernandez | UK | Unknown | |
| Manuel Ferreira Moreno | Manuel Ferreira Moreno | Spain | Allowed |
| Manuel Freire Magarinos | Spain | Unknown | |
| Manuel Gasco | Spain | Unknown | |
| Manuel Gomez Alcaide | Manuel Gomez Alcaide | Spain | Allowed |
| Manuel Gonzalez de Castejon | Spain | Unknown | |
| Manuel Gonzalez Martinez | Manuel Gonzalez Martinez | Spain | Unknown |
| Manuel Guillen Gonzalez | Manuel Guillen Gonzalez | Spain | Allowed |
| Manuel Laorden | Spain | Unknown | |
| Manuel Lemos | Portugal | Unknown | |
| Manuel Martinez Galo | Spain | Unknown | |
| Manuel Matamoros | Spain | Unknown | |
| Manuel Orcera Valero | Spain | Unknown | |
| Manuel Pastor Maeso | Spain | Unknown | |
| Manuel Pazos | Spain | Unknown | |
| Manuel Rosas | Spain | Unknown | |
| Manuel Sanchez | Spain | Unknown | |
| Manuel Sanchez Castillo | Spain | Unknown | |
| Manuel Serra Padilla | Spain | Unknown | |
| Manuel Soft | Czech Republic | Unknown | |
| Manuel Trujillo Serrano | Spain | Unknown | |
| Manuel Viana | Spain | Unknown | |
| Manx Tapes | UK | Unknown | |
| Maparo Soft | Netherlands | Unknown | |
| Mapasoft | Poland | Unknown | |
| Maplin Electronic Supplies Ltd | UK | Unknown | |
| Mar Entertainment | Spain | Unknown | |
| Marc Berger | USA | Unknown | |
| Marc Garcia-Duran Huet | Spain | Unknown | |
| Marc Isherwood | UK | Unknown | |
| Marc Marti Pi | Spain | Unknown | |
| Marc Peirson | UK | Unknown | |
| Marc Poulaud | UK | Unknown | |
| Marc Stern | USA | Unknown | |
| Marc-Andre Rampon | France | Unknown | |
| Marcel Feenstra | Netherlands | Unknown | |
| Marcel Henrot | France | Unknown | |
| Marcel Smuz | Germany | Unknown | |
| Marcel Sutter | Germany | Unknown | |
| Marcelino Mellado Oton | Spain | Unknown | |
| Marcelino Villarino Aguilar | Spain | Unknown | |
| Marcellino Gemelli | Italy | Unknown | |
| Marcello Morchio | Italy | Unknown | |
| Marcello Zaniboni | Marcello Zaniboni | Italy | Allowed |
| Marcelo Sisti | Italy | Unknown | |
| March Cats | Russia | Unknown | |
| March Co Ltd | Japan | Unknown | |
| Marcin Borkowski | Poland | Unknown | |
| Marcio Costa | Brazil | Unknown | |
| Marco Antonio Arroyo Ramirez | Spain | Unknown | |
| Marco Buscemi | Italy | Unknown | |
| Marco Cockings | Italy | Unknown | |
| Marco Duroe | UK | Unknown | |
| Marco Palasciano | Italy | Unknown | |
| Marco Paulo Carrasco | Marco Paulo Carrasco | Portugal | Allowed |
| Marco Pezzetta | Italy | Unknown | |
| Marco Salvi | Italy | Unknown | |
| Marco Spada | Italy | Unknown | |
| Marco V. | Italy | Unknown | |
| Marco Zavaroni | UK | Unknown | |
| Marcombo Boixareu Editores | Spain | Unknown | |
| Marcos [1] | UK | Unknown | |
| Marcos [2] | Spain | Unknown | |
| Marcos A. | Spain | Unknown | |
| Marcos Cruz | Spain | Unknown | |
| Marcos Escudeiro | Spain | Unknown | |
| Marcos Jouron Berzosa | Spain | Unknown | |
| Marcos Montes de Oca Gonzalez | Spain | Unknown | |
| Marcos Novo | Spain | Unknown | |
| Marcos Ortiz | Spain | Unknown | |
| Marcos S.W. | Spain | Unknown | |
| Marcus D. Bowman | UK | Unknown | |
| Marcus Jay | UK | Unknown | |
| Marcus Miesler | Germany | Unknown | |
| Marcus Milton | UK | Unknown | |
| Marcus Sharp | UK | Unknown | |
| Marder Electronics | UK | Unknown | |
| Mardun Electronics | UK | Unknown | |
| Marek Antozi | Unknown | ||
| Marek Bobrowski | Poland | Unknown | |
| Marek Cimmermann | Slovakia | Unknown | |
| Marek Fiser | Marek Fiser | Czech Republic | Allowed |
| Marek Forray | Slovakia | Unknown | |
| Marek Kiszakiewicz | Poland | Unknown | |
| Marek Novotny | Czech Republic | Unknown | |
| Marek Radkowski | Poland | Unknown | |
| Marek Sosnowski | Poland | Unknown | |
| Marek Statkiewicz | Poland | Unknown | |
| Marek Trefny | Slovakia | Unknown | |
| Marek Trojanowicz | Poland | Unknown | |
| Marg Hutton | Australia | Unknown | |
| Margaret Ann Zuanich | USA | Unknown | |
| Margaret Copland | UK | Unknown | |
| Margaret McRitchie | Canada | Unknown | |
| Margarette Smith | UK | Unknown | |
| Margot Critchfield | UK | Unknown | |
| Mari Carmen Tarrat Alcalde | Spain | Unknown | |
| Maria Luisa Cuervo | Spain | Unknown | |
| Maria Oliva Fdez. del Busto | Spain | Unknown | |
| Marian Cascaval | Marian Cascaval | Romania | Allowed |
| Marian Ferko | Slovakia | Unknown | |
| Marian Nagy | Marian Nagy | Slovakia | Allowed |
| Mariano E.M. Chiaverano | Mariano E.M. Chiaverano | Argentina | Allowed |
| Mariano Garcia | Spain | Unknown | |
| Mariano Laclaustra Fernandez | Spain | Unknown | |
| Maribip | Spain | Unknown | |
| Marina Giurcan | Romania | Unknown | |
| Mario Aporta Cruz | Spain | Unknown | |
| Mario Crespo | Spain | Unknown | |
| Mario de Luis Garcia | Spain | Unknown | |
| Mario de Paula Leite Gouvea | Brazil | Unknown | |
| Mario Donati | Italy | Unknown | |
| Mario Fidel Rodriguez | Spain | Unknown | |
| Mario Garcia | Spain | Unknown | |
| Mario Grimani | Croatia | Unknown | |
| Mario M. Cortina | Spain | Unknown | |
| Mario Mandic | Croatia | Unknown | |
| Mario Pacchiarotti | Italy | Unknown | |
| Mario Prato | Mario Prato | Italy | Unknown |
| Mario Schaeffer | Brazil | Unknown | |
| Marion Clews | UK | Unknown | |
| Marisoft | Italy | Unknown | |
| Mariusz Wojtysiak | Mariusz Wojtysiak | Poland | Unknown |
| Marjan Klenovsek | Slovenia | Unknown | |
| Marjaq Micros | Unknown | ||
| Mark A. Jones | Mark A. Jones | UK | Allowed |
| Mark A. Spikell | UK | Unknown | |
| Mark Adams | UK | Unknown | |
| Mark Alexander | Mark Alexander | UK | Allowed |
| Mark Baldock | UK | Unknown | |
| Mark Bateman | UK | Unknown | |
| Mark Battison | UK | Unknown | |
| Mark Batts | UK | Unknown | |
| Mark Beech | UK | Unknown | |
| Mark Betteridge | UK | Unknown | |
| Mark Billingham | UK | Unknown | |
| Mark Birch | UK | Unknown | |
| Mark Bristow | UK | Unknown | |
| Mark Broomfield | UK | Unknown | |
| Mark Burton | UK | Unknown | |
| Mark Butler | UK | Unknown | |
| Mark C. Jones | Mark C. Jones | UK | Allowed |
| Mark Cale | UK | Unknown | |
| Mark Cantrell | Mark Cantrell | UK | Allowed |
| Mark Chapman | UK | Unknown | |
| Mark Charlton | UK | Unknown | |
| Mark Chatwin | UK | Unknown | |
| Mark Christie | UK | Unknown | |
| Mark Cooksey | Mark Cooksey | UK | Allowed |
| Mark Crane | UK | Unknown | |
| Mark Crawford | UK | Unknown | |
| Mark Crumby | UK | Unknown | |
| Mark Cushen | Ireland | Unknown | |
| Mark Davies | UK | Unknown | |
| Mark de Roussier | UK | Unknown | |
| Mark Edwards | UK | Unknown | |
| Mark Elliot | UK | Unknown | |
| Mark Evans | UK | Unknown | |
| Mark Eyles | Mark Eyles | UK | Not Disallowed |
| Mark Fisher | Mark Fisher | UK | Allowed |
| Mark Foley | Mark Foley | Ireland | Allowed |
| Mark Foley Productions | Mark Foley | Ireland | Allowed |
| Mark Franklin | UK | Unknown | |
| Mark Gipson | UK | Unknown | |
| Mark Goodall | UK | Unknown | |
| Mark Griffin | Mark Griffin | UK | Allowed |
| Mark Haden | UK | Unknown | |
| Mark Haigh-Hutchinson | Mark Haigh-Hutchinson | UK | Allowed |
| Mark Hale | UK | Unknown | |
| Mark Hallam | UK | Unknown | |
| Mark Harding | UK | Unknown | |
| Mark Harman | Mark Harman | UK | Allowed |
| Mark Harrap | UK | Unknown | |
| Mark Harris | UK | Unknown | |
| Mark Harrison | UK | Unknown | |
| Mark Healey | Mark Healey | UK | Allowed |
| Mark Henry | UK | Unknown | |
| Mark Hill | UK | Unknown | |
| Mark Hinchcliffe | UK | Unknown | |
| Mark Howlett | UK | Unknown | |
| Mark Hubbuck | UK | Unknown | |
| Mark Hutchings | UK | Unknown | |
| Mark Incley | Mark Incley | UK | Allowed |
| Mark J.A. Turner | UK | Unknown | |
| Mark Jacobs | UK | Unknown | |
| Mark Jarrard | UK | Unknown | |
| Mark Jeffries | UK | Unknown | |
| Mark Jones | UK | Unknown | |
| Mark Juby | UK | Unknown | |
| Mark Jukic | UK | Unknown | |
| Mark Kavanagh | UK | Unknown | |
| Mark Kelly | UK | Unknown | |
| Mark Kirkby | Mark Kirkby | UK | Allowed |
| Mark L. Fendrick | USA | Unknown | |
| Mark L. Stueber | UK | Unknown | |
| Mark Lane | UK | Unknown | |
| Mark Larner | Mark Larner | UK | Allowed |
| Mark Lawrence | UK | Unknown | |
| Mark Lowe | UK | Unknown | |
| Mark Lucas | UK | Unknown | |
| Mark Lynch | UK | Unknown | |
| Mark Madland | UK | Unknown | |
| Mark Mason | Mark Mason | UK | Unknown |
| Mark O'Neill | UK | Unknown | |
| Mark Perriam | UK | Unknown | |
| Mark Phillips | UK | Unknown | |
| Mark Philpott | UK | Unknown | |
| Mark Pickford | UK | Unknown | |
| Mark Plumbley | UK | Unknown | |
| Mark Pollard | UK | Unknown | |
| Mark Potente | UK | Unknown | |
| Mark R. Jones | Mark R. Jones | UK | Allowed |
| Mark Ramshaw | UK | Unknown | |
| Mark Rawson | Mark Rawson | UK | Allowed |
| Mark Reidel | UK | Unknown | |
| Mark Rennoldson | UK | Unknown | |
| Mark Richardson | UK | Unknown | |
| Mark Rigby | UK | Unknown | |
| Mark Rivers | UK | Unknown | |
| Mark Roberts | UK | Unknown | |
| Mark Rogers | UK | Unknown | |
| Mark S. Walker | UK | Unknown | |
| Mark Schultz | UK | Unknown | |
| Mark Serlin | UK | Unknown | |
| Mark Sheppard | UK | Unknown | |
| Mark Sherlock | UK | Unknown | |
| Mark Slater | UK | Unknown | |
| Mark Sprue | Mark Sprue | USA | Allowed |
| Mark Stamps | UK | Unknown | |
| Mark Stoll | UK | Unknown | |
| Mark Strachan | Netherlands | Unknown | |
| Mark Tait | UK | Unknown | |
| Mark Thompson | Mark Thompson | UK | Allowed |
| Mark Time Ltd | Mark Alexander | UK | Allowed |
| Mark Tonks | Mark Tonks | UK | Allowed |
| Mark Tuck | UK | Unknown | |
| Mark Turner | UK | Unknown | |
| Mark W. Miller | UK | Unknown | |
| Mark Wallace | UK | Unknown | |
| Mark Watson | Mark Watson | UK | Allowed |
| Mark Whatling | Mark Whatling | UK | Allowed |
| Mark White | UK | Unknown | |
| Mark Wighton | Mark Wighton | UK | Unknown |
| Mark Willams | UK | Unknown | |
| Mark Wilson | UK | Unknown | |
| Mark Winn | UK | Unknown | |
| Mark Woodmass | Mark Woodmass | UK | Allowed |
| Mark Young | UK | Unknown | |
| Marks & Spencer | UK | Unknown | |
| Marksman Software | UK | Unknown | |
| Markt & Technik | Germany | Unknown | |
| Markus F.X.J. Oberhumer | Markus F.X.J. Oberhumer | Austria | Unknown |
| Markus Komputer | Poland | Unknown | |
| Markus Rinio | Czech Republic | Unknown | |
| Marlin Games | Marlin Games | UK | Allowed |
| Marmalade Software | UK | Unknown | |
| Marolli-Soft | UK | Unknown | |
| Maros Dzoba | Maros Dzoba | Slovakia | Allowed |
| Marshall Cavendish Ltd | Unknown | ||
| Marshallgate | UK | Unknown | |
| Marshrut na Iupiter | Ukraine | Unknown | |
| Martech Games Ltd | Alternative Software Ltd | UK | Unknown |
| Martijn van der Heide | Martijn van der Heide | Netherlands | Allowed |
| Martin Berndt | Slovakia | Unknown | |
| Martin Blazek | Martin Blazek | Czech Republic | Allowed |
| Martin Books | UK | Unknown | |
| Martin Breese | UK | Unknown | |
| Martin Bryant | Martin Bryant | UK | Allowed |
| Martin Bullar | UK | Unknown | |
| Martin Calvert | UK | Unknown | |
| Martin Clayton | UK | Unknown | |
| Martin Cock | UK | Unknown | |
| Martin Cook | UK | Unknown | |
| Martin Craig | UK | Unknown | |
| Martin D. White | UK | Unknown | |
| Martin Dlouhy | Martin Dlouhy | Czech Republic | Allowed |
| Martin Dunitz Ltd | UK | Unknown | |
| Martin E. Thompson | UK | Unknown | |
| Martin Freemantle | UK | Unknown | |
| Martin G. Fletcher | UK | Unknown | |
| Martin Galway | Martin Galway | UK | Allowed |
| Martin Gandoff | UK | Unknown | |
| Martin Gannon | Martin Gannon | UK | Unknown |
| Martin Gehrke | Germany | Unknown | |
| Martin Gergeleit | Germany | Unknown | |
| Martin Goldemund | Czech Republic | Unknown | |
| Martin Hajduch | Martin Hajduch | Slovakia | Allowed |
| Martin Hann | UK | Unknown | |
| Martin Harris | UK | Unknown | |
| Martin Hodge | Martin Hodge | UK | Allowed |
| Martin Holland | Martin Holland | UK | Allowed |
| Martin Hollis | UK | Unknown | |
| Martin Hooley | Martin Hooley | UK | Allowed |
| Martin Isitt | UK | Unknown | |
| Martin Jones | UK | Unknown | |
| Martin Kalina | UK | Unknown | |
| Martin Kempler | UK | Unknown | |
| Martin Kirkwood | UK | Unknown | |
| Martin Lewis | UK | Unknown | |
| Martin Malg | Czech Republic | Unknown | |
| Martin Malley | UK | Unknown | |
| Martin Maly | Czech Republic | Unknown | |
| Martin McDonald | UK | Unknown | |
| Martin McKenzie | UK | Unknown | |
| Martin McNiff | USA | Unknown | |
| Martin Moracek | Czech Republic | Unknown | |
| Martin Page | Martin Page | UK | Allowed |
| Martin Pointer | UK | Unknown | |
| Martin Rennie | UK | Unknown | |
| Martin Richards | UK | Unknown | |
| Martin Robinson | UK | Unknown | |
| Martin S. Horsley | UK | Unknown | |
| Martin S. Smith | UK | Unknown | |
| Martin Saguer Diaz | Spain | Unknown | |
| Martin Severn | UK | Unknown | |
| Martin Sherlock | UK | Unknown | |
| Martin Stepanek | Czech Republic | Unknown | |
| Martin Sustrik | Slovakia | Unknown | |
| Martin Sykes | UK | Unknown | |
| Martin Tosas Bautista | Martin Tosas Bautista | UK; Spain | Allowed |
| Martin Vilcans | Martin Vilcans | Sweden | Allowed |
| Martin Vodicka | Martin Vodicka | Czech Republic | Allowed |
| Martin W. Ward | UK | Unknown | |
| Martin Wakeley | UK | Unknown | |
| Martin Walker | Unknown | ||
| Martin Walker [1] | UK | Unknown | |
| Martin Walker [2] | Martin Walker | UK | Denied |
| Martin Wheeler | Martin Wheeler | UK | Allowed |
| Martin Wren-Hilton | Martin Wren-Hilton | UK | Allowed |
| Martin Wurthner | Germany | Unknown | |
| Martinsoft | UK | Unknown | |
| Martyn Charles Davis | Martyn Charles Davis | UK | Allowed |
| Martyn Hartley | Martyn Hartley | UK | Allowed |
| Martyn J. Brown | Martyn J. Brown | UK | Allowed |
| Marulk | Sweden | Unknown | |
| Marvel Comics Group | USA | Unknown | |
| Marvel Entertainment Inc | Unknown | ||
| Marvic Marketing | UK | Unknown | |
| Marwin Freutel | Germany | Unknown | |
| Marx | Mark Healey | UK | Allowed |
| Mary Borchers | USA | Unknown | |
| Mary Shelley | Mary Shelley | UK | Unknown |
| Marysin | Unknown | ||
| MAS | Russia | Unknown | |
| Masato Hayashi | Spain | Unknown | |
| Masato Hiramatsu | Unknown | ||
| Mash | Martin S. Horsley | UK | Unknown |
| Mask | Russia | Unknown | |
| Massimo Martinelli | Italy | Unknown | |
| Massimo Pilia | Massimo Pilia | UK | Allowed |
| Masson | France | Unknown | |
| Mast | Belarus | Unknown | |
| Master | Russia | Unknown | |
| Master Home Computers Group | Russia | Unknown | |
| Masters Games | Miguel Angel Montejo Raez | Spain | Allowed |
| Masters of the Universe | Unknown | ||
| Mastertronic Added Dimension | Titus | UK | Unknown |
| Mastertronic Ltd | Titus | UK | Unknown |
| Mastertronic Plus | Titus | UK | Unknown |
| Mastervision | Titus | UK | Unknown |
| Mastodon | Spain | Unknown | |
| Mastress Software | Spain | Unknown | |
| MastSoft | Ukraine | Unknown | |
| MAT [1] | UK | Unknown | |
| Mat [2] | Poland | Unknown | |
| Mat & Muad'Dib | Poland | Unknown | |
| Mat & Ziutek | Poland | Unknown | |
| Mat Buckland | Mat Buckland | UK | Unknown |
| Mat Corne | UK | Unknown | |
| Mat Doughty | UK | Unknown | |
| Mat Owen | UK | Unknown | |
| Mata | Czech Republic | Unknown | |
| Matand Software | Matthew Holmes | UK | Allowed |
| Matasoft | Czech Republic | Unknown | |
| Matej Gasperic | Slovenia | Unknown | |
| Matej Kurent | Slovenia | Unknown | |
| Matevz Kmet | Slovenia | Unknown | |
| Mathias Laufer | Germany | Unknown | |
| Mathmatix | UK | Unknown | |
| Matias Casas Garrido | Spain | Unknown | |
| Matias Vaquero Vicente | Spain | Unknown | |
| Matija Kostevc | Matija Kostevc | Slovenia | Allowed |
| Matjaz Facit | Slovenia | Unknown | |
| Matjaz Peterlin | Croatia | Unknown | |
| Matlasoft | Czech Republic | Unknown | |
| Matra Computer Automations | Matra Computer Automations | Spain | Unknown |
| Matrix Software | UK | Unknown | |
| Matt Barber | UK | Unknown | |
| Matt Black | UK | Unknown | |
| Matt Carr | Matt Carr | UK | Allowed |
| Matt Ellis | UK | Unknown | |
| Matt Furniss | Matt Furniss | UK | Allowed |
| Matt Hicks | UK | Unknown | |
| Matt Neale | UK | Unknown | |
| Matt West | Matt West | UK | Allowed |
| Matt Wilkinson | UK | Unknown | |
| Mattel Inc | USA | Unknown | |
| Matthew Atkinson | UK | Unknown | |
| Matthew Bradshaw | UK | Unknown | |
| Matthew Cannon | UK | Unknown | |
| Matthew Carrier | Matthew Carrier | UK | Allowed |
| Matthew Chapman | UK | Unknown | |
| Matthew Collins | UK | Unknown | |
| Matthew Corbett Ltd | UK | Unknown | |
| Matthew Dowell | Matthew Dowell | UK | Allowed |
| Matthew Edwards | UK | Unknown | |
| Matthew Gordon | Matthew Gordon | UK | Unknown |
| Matthew Holmes | Matthew Holmes | UK | Allowed |
| Matthew Homer | UK | Unknown | |
| Matthew Horsley | UK | Unknown | |
| Matthew Howell | UK | Unknown | |
| Matthew Lewis | Matthew Lewis | UK | Allowed |
| Matthew Prescott | UK | Unknown | |
| Matthew Probert | UK | Unknown | |
| Matthew Rhodes | UK | Unknown | |
| Matthew Richard Wilkes | Matthew Richard Wilkes | UK | Allowed |
| Matthew Smith | Matthew Smith | UK | Allowed |
| Matthew Smolko | Slovakia | Unknown | |
| Matthew Spencer | UK | Unknown | |
| Matthew West | Matthew West | UK | Allowed |
| Matthew Westcott | Matthew Westcott | UK | Allowed |
| Matthew Wilson | UK | Unknown | |
| Matthias Gudmundsson | Iceland | Unknown | |
| Matthias Horx | Germany | Unknown | |
| Matti Hemmi | Spain | Unknown | |
| Maureen Putnam | UK | Unknown | |
| Maurice David Wood | UK | Unknown | |
| Maurice Gavin | UK | Unknown | |
| Mauricio Caruzo Reis | Brazil | Unknown | |
| Mauricio Munoz Lucero | Mauricio Munoz Lucero | Spain | Allowed |
| Maurizio Ariena | Italy | Unknown | |
| Maurizio Feletto | Italy | Unknown | |
| Maurizio Salis | Italy | Unknown | |
| Mauro Mozzarelli | Italy | Unknown | |
| Mauro Rigoni | Italy | Unknown | |
| Mauro Spagnolo | Italy | Unknown | |
| Mauro Trabisondi | Italy | Unknown | |
| Max Adimirov | Russia | Unknown | |
| Max Barnard | UK | Unknown | |
| Max Barr | UK | Unknown | |
| Max Bounty Count | Steve Wetherill | UK | Allowed |
| Max Di Bello | Italy | Unknown | |
| Max Hastings | Max Hastings | UK | Unknown |
| Max Hedrom | Unknown | ||
| Max Hueber Verlag | Germany | Unknown | |
| Max Iwamoto | Russia | Unknown | |
| Max N. Brooker | Max N. Brooker | UK | Allowed |
| Max Petrov | Russia | Unknown | |
| Max Phillips | UK | Unknown | |
| Max Remington | UK | Unknown | |
| Max Shashkin | Russia | Unknown | |
| Max Voorburg | Netherlands | Unknown | |
| Maxim Romanov | Unknown | ||
| Maxim Sidorchuck | Russia | Unknown | |
| Maxim Yakhin | Russia | Unknown | |
| Maximino Blanco | Spain | Unknown | |
| Maximov Alexander | Unknown | ||
| Maximum | Russia | Unknown | |
| Maxis Software Ltd | Electronic Arts | USA | Unknown |
| Maxisoft | Russia | Unknown | |
| Maxs | Russia | Unknown | |
| Maxwell Technology Ltd | UK | Unknown | |
| Mayday Software | UK | Unknown | |
| Mayfield Products | UK | Unknown | |
| Mayhem | Mayhem | Russia | Unknown |
| Maynard | UK | Unknown | |
| Maynard International Ltd | Unknown | ||
| Maz H. Spork | Maz H. Spork | Denmark | Allowed |
| MB | Michael Blanke | Netherlands | Unknown |
| MBC | Unknown | ||
| MC Breakers | Unknown | ||
| MC Lothlorien Ltd | Icon Design Ltd | UK | Unknown |
| MC Microcomputer | Italy | Unknown | |
| MC SR | UK | Unknown | |
| MCA | USA | Unknown | |
| McAlby | Alberto Jose Gonzalez Pedraza | Spain | Allowed |
| MCC | Monaco | Unknown | |
| MCF | Russia | Unknown | |
| McGraw-Hill [BR] | UK; Brazil | Unknown | |
| McGraw-Hill [ES] | UK; Spain | Unknown | |
| McGraw-Hill [FR] | UK; France | Unknown | |
| McGraw-Hill [IT] | UK; Italy | Unknown | |
| McGraw-Hill [US] | UK; USA | Unknown | |
| McGraw-Hill Book Company UK Ltd | UK | Unknown | |
| MCI Iberica S.A. | Spain | Unknown | |
| McLoughlin & Co | UK | Unknown | |
| MCM Software S.A. | Vivendi Universal Interactive Publishing Espana S.L. | Spain | Unknown |
| MCN Software | Unknown | ||
| MCN Software [1] | MCN Software | Netherlands | Unknown |
| MCN Software [2] | UK | Unknown | |
| McNeil | UK | Unknown | |
| McNeil Software | UK | Unknown | |
| MCP Co | UK | Unknown | |
| MCR69 Software | Unknown | ||
| Mcs | Germany | Unknown | |
| MCT | Yugoslavia | Unknown | |
| MD | Denmark | Unknown | |
| MD Software | Vivid Image | UK | Allowed |
| MDA | Unknown | ||
| MDA Modon Associates Ltd | UK | Unknown | |
| MDR | UK | Unknown | |
| Meadowmarsh Software | UK | Unknown | |
| Meastrosoft | UK | Unknown | |
| Medi | Spain | Unknown | |
| Mediandroid | UK | Unknown | |
| Medidata | UK | Unknown | |
| Medsoft | UK | Unknown | |
| Medusa | UK | Unknown | |
| Mega Marketing | UK | Unknown | |
| Mega-Soft [2] | UK | Unknown | |
| Megacode | Unknown | ||
| Megacode Hackers Group | Russia | Unknown | |
| Megacycal | UK | Unknown | |
| Megadodo Software | UK | Unknown | |
| Megafire | Russia | Unknown | |
| Megan Stine | UK | Unknown | |
| Megapoints Corner | UK | Unknown | |
| Megasoft [1] | Richard Welsh | UK | Allowed |
| Megasoft [3] | Bosnia and Herzegovina | Unknown | |
| Megasoft [4] | Sergio G.M. | Spain | Allowed |
| Megasoft [5] | Russia | Unknown | |
| Megasportz | UK | Unknown | |
| Megus | Ukraine | Unknown | |
| Mel Croucher | Mel Croucher | UK | Allowed |
| Mel Davies | UK | Unknown | |
| Mel James | UK | Unknown | |
| Melbourne House | Krome Studios | Australia; UK | Unknown |
| Melbourne House Publishers Ltd | Unknown | ||
| Mellona | Russia | Unknown | |
| Melvin Lloyd-Jones | UK | Unknown | |
| Melvyn Hamilton | Melvyn Hamilton | UK | Allowed |
| Melvyn Rider | UK | Unknown | |
| Memoco Electron | UK | Unknown | |
| Memotech | UK | Unknown | |
| Memotronic | Germany | Unknown | |
| Menno van der Star | Netherlands | Unknown | |
| Mental Images | UK | Unknown | |
| Mental Inspiration Unity | Russia | Unknown | |
| Mentor Software | UK | Unknown | |
| Meow Micros | UK | Unknown | |
| Mercurian Pulp Products | UK | Unknown | |
| Mercury Software | UK | Unknown | |
| Merimpex Ltd | Unknown | ||
| Merlin | Spain | Unknown | |
| Merlin Software [1] | UK | Unknown | |
| Merlin Software [2] | Russia | Unknown | |
| Mervin James | UK | Unknown | |
| Mervyn J. Estcourt | UK | Unknown | |
| Mesoft | UK | Unknown | |
| Metal Soft | Argentina | Unknown | |
| Metalbrain | Jaime Tejedor Gomez | Spain | Allowed |
| Methodia Design Norway | Norway | Unknown | |
| Methuen London Ltd | UK | Unknown | |
| Metro-Goldwyn-Mayer | Metro-Goldwyn-Mayer | USA | Unknown |
| Metroheath Ltd | UK | Unknown | |
| Metsuke | Raul Carrillo Garrido | Spain | Unknown |
| Mevlut Dinc | Mevlut Dinc | Turkey; UK | Allowed |
| MEZ | Germany | Unknown | |
| MFM Data Services Ltd | UK | Unknown | |
| MG & Co | Russia | Unknown | |
| MGM Inc | Unknown | ||
| MGN Group | Russia | Unknown | |
| MGS Software | Unknown | ||
| MGSoft | Brazil | Unknown | |
| mHm | Russia | Unknown | |
| MHS Muller Hard & Software | Germany | Unknown | |
| MHT Ingenieros S.L. | Spain | Unknown | |
| MI & DI Ltd Software | Russia | Unknown | |
| MI-Soft [1] | UK | Unknown | |
| MIA Soft | Russia | Unknown | |
| Miami-Soft | Slovakia | Unknown | |
| Mic Haigh | UK | Unknown | |
| MiC Software | Poland | Unknown | |
| Micha Design | UK | Unknown | |
| Michael A. Hargreaves | Michael A. Hargreaves | UK | Allowed |
| Michael A. Sanderson | UK | Unknown | |
| Michael Albers | Unknown | ||
| Michael Andreasen | UK | Unknown | |
| Michael Archer | UK | Unknown | |
| Michael Arndt | Germany | Unknown | |
| Michael Bailey | UK | Unknown | |
| Michael Barratt | Unknown | ||
| Michael Batty | Michael Batty | UK | Allowed |
| Michael Bauer | UK | Unknown | |
| Michael Bawtree | UK | Unknown | |
| Michael Bayer | UK | Unknown | |
| Michael Beaton | Michael Beaton | UK | Allowed |
| Michael Bellamy | Michael Bellamy | UK | Allowed |
| Michael Belousov | Russia | Unknown | |
| Michael Ben-Gershon | Michael Ben-Gershon | Israel; UK | Allowed |
| Michael Beresford | UK | Unknown | |
| Michael Berglund | Sweden | Unknown | |
| Michael Bews | UK | Unknown | |
| Michael Blanke | Michael Blanke | Netherlands | Unknown |
| Michael Bond | UK | Unknown | |
| Michael Briggs | UK | Unknown | |
| Michael Browne | UK | Unknown | |
| Michael Carrier | Germany | Unknown | |
| Michael Clancy | USA | Unknown | |
| Michael Coombes | UK | Unknown | |
| Michael Cranford | USA | Unknown | |
| Michael Crichton | USA | Unknown | |
| Michael Davies | UK | Unknown | |
| Michael Desosa | UK | Unknown | |
| Michael Eacrett | UK | Unknown | |
| Michael Ende | Michael Ende | Germany | Unknown |
| Michael Fairhurst | UK | Unknown | |
| Michael Ferguson | Michael Ferguson | UK | Allowed |
| Michael Fox | UK | Unknown | |
| Michael Fraser | Michael Fraser | UK | Unknown |
| Michael Guy | UK | Unknown | |
| Michael Harley | UK | Unknown | |
| Michael Harper | UK | Unknown | |
| Michael Harris | UK | Unknown | |
| Michael Holdstock | UK | Unknown | |
| Michael Hopkins | UK | Unknown | |
| Michael Horgan | UK | Unknown | |
| Michael Housley | UK | Unknown | |
| Michael Hunt | Simon Avery | UK | Allowed |
| Michael Hutchison | UK | Unknown | |
| Michael I. Barnard | UK | Unknown | |
| Michael J. Evis | UK | Unknown | |
| Michael J. Levers | Michael J. Levers | UK | Allowed |
| Michael J. Rickards | Michael J. Rickards | UK | Allowed |
| Michael Jackson | Michael Jackson | USA | Unknown |
| Michael Kaun | Czech Republic | Unknown | |
| Michael Kay | UK | Unknown | |
| Michael Klein | Germany | Unknown | |
| Michael Kondratyeu | Russia | Unknown | |
| Michael Koshkin | Russia | Unknown | |
| Michael Leche | Michael Leche | UK | Allowed |
| Michael Lee | UK | Unknown | |
| Michael Makarevich | Unknown | ||
| Michael Meyers | UK | Unknown | |
| Michael Monaghan | Unknown | ||
| Michael Nathenson | UK | Unknown | |
| Michael Orwin | Unknown | ||
| Michael Owens | UK | Unknown | |
| Michael P. Barnett | USA | Unknown | |
| Michael Rigg | UK | Unknown | |
| Michael Roberts | UK | Unknown | |
| Michael Rosenbohm | Germany | Unknown | |
| Michael Roth | Germany | Unknown | |
| Michael Schramm | Michael Schramm | Germany | Allowed |
| Michael Schrapp | Germany | Unknown | |
| Michael Scott | UK | Unknown | |
| Michael Sentinella | UK | Unknown | |
| Michael Shallis | UK | Unknown | |
| Michael Silberberg | Germany | Unknown | |
| Michael Silve | UK | Unknown | |
| Michael Slatford | Michael Slatford | UK | Allowed |
| Michael Slatford Software | Michael Slatford | UK | Allowed |
| Michael Smith | UK | Unknown | |
| Michael Spencer | UK | Unknown | |
| Michael St Aubyn | UK | Unknown | |
| Michael Steins | Netherlands | Unknown | |
| Michael Sutherland | UK | Unknown | |
| Michael Szeliga | Germany | Unknown | |
| Michael Toner | UK | Unknown | |
| Michael Wakson | Russia | Unknown | |
| Michael Welbourne | UK | Unknown | |
| Michael Wiegand | Germany | Unknown | |
| Michael Wilcox | UK | Unknown | |
| Michael Wolliston | UK | Unknown | |
| Michael Wood | UK | Unknown | |
| Michael Yu. Kondratyev | Russia | Unknown | |
| Michal Hlavac | Slovakia | Unknown | |
| Michal Janacek | Czech Republic | Unknown | |
| Michal Matejka | Unknown | ||
| Michal Ovcarov | Czech Republic | Unknown | |
| Michal Polak | Michal Polak | Czech Republic | Allowed |
| Michal Vrbnak | Michal Vrbnak | Slovakia | Allowed |
| Michal Wolf | Czech Republic | Unknown | |
| Michel Havemester | Germany | Unknown | |
| Michel Nass | Sweden | Unknown | |
| Michel Rousselet | France | Unknown | |
| Michele Di Lullo | Italy | Unknown | |
| Michele Turillazzi | Italy | Unknown | |
| Michelle Presslie | Michelle Presslie | UK | Allowed |
| Mick Curtis | UK | Unknown | |
| Mick Donnelly | UK | Unknown | |
| Mick Florey | Mick Florey | UK | Allowed |
| Mick Fowler | UK | Unknown | |
| Mick Garlic | UK | Unknown | |
| Mick Hanrahan | Mick Hanrahan | UK | Allowed |
| Micro Accessories | UK | Unknown | |
| Micro Adventurer | Sunshine Books Ltd | UK | Unknown |
| Micro Aids | UK | Unknown | |
| Micro ART | Micro ART | Russia | Unknown |
| Micro Byte International | Italy | Unknown | |
| Micro Data | Italy | Unknown | |
| Micro Gold | Tony Rainbird | UK | Allowed |
| Micro House | UK | Unknown | |
| Micro Interface | UK | Unknown | |
| Micro Investor Software | UK | Unknown | |
| Micro Kid | UK | Unknown | |
| Micro Leisure Ltd | UK | Unknown | |
| Micro Limit | Sweden | Unknown | |
| Micro Logic Corp | USA | Unknown | |
| Micro Marketing | UK | Unknown | |
| Micro Master | K.W. Glasson | UK | Allowed |
| Micro Musical Ltd | UK | Unknown | |
| Micro Myte Communications Ltd | Micro Myte Communications Ltd | UK | Unknown |
| Micro Power Ltd | UK | Unknown | |
| Micro Press [1] | UK | Unknown | |
| Micro Sistemas | Brazil | Unknown | |
| Micro Style | Atari Inc | USA; UK | Unknown |
| Micro Value | Tynesoft | UK | Unknown |
| Micro Wares | UK | Unknown | |
| Micro World | Spain | Unknown | |
| Micro Zeighty | UK | Unknown | |
| Micro-Bit Software | Spain | Unknown | |
| Micro-books | UK | Unknown | |
| Micro-De-Bug Consultancy | UK | Unknown | |
| Micro-eletronica | Brazil | Unknown | |
| Micro-Kraft | UK | Unknown | |
| Micro-Mart Software | UK | Unknown | |
| Micro-Partner | Germany | Unknown | |
| Micro-Source | Netherlands | Unknown | |
| Micro-Spot | Spain | Unknown | |
| MICRO-STUDIO | Hungary | Unknown | |
| Micro-Systemes | France | Unknown | |
| Microamigo S.A. | Unknown | ||
| Microboard International | UK | Unknown | |
| Microbyte [1] | Indescomp S.A. | Spain | Unknown |
| Microbyte [2] | UK | Unknown | |
| Microbyte S.A. | Unknown | ||
| Microbyte Software [1] | Spain | Unknown | |
| Microbyte Software [2] | Portugal | Unknown | |
| MicroCare | UK | Unknown | |
| Microcell Computer Systems | Unknown | ||
| Microcosm | UK | Unknown | |
| Microdeal | UK | Unknown | |
| Microdelerium | UK | Unknown | |
| Microdigital | Microdigital Eletronica Ltda | Brazil | Unknown |
| Microdigital Eletronica Ltda | Unknown | ||
| Microdigital Soft S.A. | Unknown | ||
| Microdinamite | Portugal | Unknown | |
| Microdot Software | UK | Unknown | |
| Microdrive Conversions | UK | Unknown | |
| Microelectronics Education Programme | UK | Unknown | |
| Microfactor | UK | Unknown | |
| Microfayre | UK | Unknown | |
| Microgame Simulations | UK | Unknown | |
| Microgesa | Spain | Unknown | |
| MicroHobby | Hobby Press S.A. | Spain | Allowed |
| MicroHobby Especial | Hobby Press S.A. | Spain | Allowed |
| Microholics Anonymous | UK | Unknown | |
| Microideia | Portugal | Unknown | |
| Microids | Microids | France; UK | Allowed |
| Microjuice | UK | Unknown | |
| Microkit | Brazil | Unknown | |
| MiCROL | UK | Unknown | |
| Micromack | UK | Unknown | |
| Micromania | Dominic Wood | UK | Allowed |
| Micromania [2] | Hobby Press S.A. | Spain | Denied; Still Selling |
| Micromania [3] | Germany | Unknown | |
| Micromania Extra | Hobby Press S.A. | Spain | Denied; Still Selling |
| Micromega | UK | Unknown | |
| Micromicon | UK | Unknown | |
| Micromor | UK | Unknown | |
| Micronet 800 Telesoftware | UK | Unknown | |
| Microparadise Software | Spain | Unknown | |
| Micropool | UK | Unknown | |
| Micropress [2] | Micropress [2] | Netherlands | Allowed |
| Micropride Ltd | UK | Unknown | |
| MicroProse Software Ltd | Atari Inc | USA; UK | Unknown |
| MicroScene | UK | Unknown | |
| Microscreen Software | Unknown | ||
| Microsim | UK | Unknown | |
| Microsoft Inc | USA | Unknown | |
| Microspace | Russia | Unknown | |
| Microsphere | Microsphere Computer Services Ltd | UK | Allowed |
| Microsphere Computer Services Ltd | Unknown | ||
| Microtax Ltd | UK | Unknown | |
| Microtech Systems [1] | UK | Unknown | |
| Microtech Systems [2] | Slovakia | Unknown | |
| Microtechnica | UK | Unknown | |
| Microtext UK Ltd | UK | Unknown | |
| Microtrust Software | UK | Unknown | |
| Microvitec Ltd | UK | Unknown | |
| Microware | UK | Unknown | |
| Microwish | UK | Unknown | |
| Microworkshops Ltd | UK | Unknown | |
| MicroWorld S.A. | Unknown | ||
| Microx | UK | Unknown | |
| Midi | Russia | Unknown | |
| Midisoft [1] | UK | Unknown | |
| Midisoft [2] | Russia | Unknown | |
| Midnight Shadow | Russia | Unknown | |
| Midway Games | Midway Games | USA | Unknown |
| Midwich Computer Company Ltd | UK | Unknown | |
| Miguel A. Aguilar | Spain | Unknown | |
| Miguel Angel Borreguero Quesada | Spain | Unknown | |
| Miguel Angel Esteve Marco | Spain | Unknown | |
| Miguel Angel Fernandez | Spain | Unknown | |
| Miguel Angel Garcia Prada | Miguel Angel Garcia Prada | Spain | Allowed |
| Miguel Angel Gonzalez Alvarez | Spain | Unknown | |
| Miguel Angel Montejo Raez | Miguel Angel Montejo Raez | Spain | Allowed |
| Miguel Angel Perera | Spain | Unknown | |
| Miguel Angel Rodriguez Jodar | Miguel Angel Rodriguez Jodar | Spain | Allowed |
| Miguel Angel Villas | Miguel Angel Villas | Spain | Allowed |
| Miguel Blanco Viu | Spain | Unknown | |
| Miguel Bustamante | Peru | Unknown | |
| Miguel Damas Hermoso | Spain | Unknown | |
| Miguel Dias | Portugal | Unknown | |
| Miguel Diaz Kusztaich | Spain | Unknown | |
| Miguel Franca | Portugal | Unknown | |
| Miguel Gisbert Brianso | Spain | Unknown | |
| Miguel Gonzalez | Spain | Unknown | |
| Miguel Iglesias Moreno | Spain | Unknown | |
| Miguel Ilarregui | Spain | Unknown | |
| Miguel J. Hornos Barranco | Spain | Unknown | |
| Miguel Mangada | Spain | Unknown | |
| Miguel Pontes Garcia | Spain | Unknown | |
| Miguel Samplon | Spain | Unknown | |
| Miguel Sepulveda | Spain | Unknown | |
| Miguel van Smoorenburg | Unknown | ||
| Mihail Vashin | Russia | Unknown | |
| Mihail Zenkov | Russia | Unknown | |
| MiHaS | UK | Unknown | |
| Mike A. Richardson | Mike A. Richardson | UK | Allowed |
| Mike Aldrich | UK | Unknown | |
| Mike Austin | UK | Unknown | |
| Mike Blum | Russia | Unknown | |
| Mike Bourne | UK | Unknown | |
| Mike Brown | UK | Unknown | |
| Mike Cavenor | UK | Unknown | |
| Mike Chilton | UK | Unknown | |
| Mike Cohen | UK | Unknown | |
| Mike Costello | UK | Unknown | |
| Mike Davies | UK | Unknown | |
| Mike Davis | Australia; UK | Unknown | |
| Mike Day | UK | Unknown | |
| Mike Delves | UK | Unknown | |
| Mike Dowman | Mike Dowman | UK | Allowed |
| Mike Duck | UK | Unknown | |
| Mike E. Haine | UK | Unknown | |
| Mike E. Turner | Mike E. Turner | UK | Allowed |
| Mike Edwards | UK | Unknown | |
| Mike Farley | UK | Unknown | |
| Mike Follin | Mike Follin | UK | Allowed |
| Mike Gerrard | Mike Gerrard | UK | Allowed |
| Mike Grace | UK | Unknown | |
| Mike Green | UK | Unknown | |
| Mike Halsall | UK | Unknown | |
| Mike Hampson | UK | Unknown | |
| Mike Hiddleston | UK | Unknown | |
| Mike Howard | UK | Unknown | |
| Mike Hyams | UK | Unknown | |
| Mike J. Lister | UK | Unknown | |
| Mike James | UK | Unknown | |
| Mike Jessop | Mike Jessop | UK | Allowed |
| Mike Kent | UK | Unknown | |
| Mike Kerslake | UK | Unknown | |
| Mike Lamb | Mike Lamb | UK | Allowed |
| Mike Leaman | UK | Unknown | |
| Mike Lewis | Mike Lewis | UK | Denied |
| Mike Lord | UK | Unknown | |
| Mike Male | Mike Male | UK | Allowed |
| Mike Marchant | UK | Unknown | |
| Mike Marchant Graphics | UK | Unknown | |
| Mike McKeown | UK | Unknown | |
| Mike Meineck | UK | Unknown | |
| Mike Menace | UK | Unknown | |
| Mike Moscoff | Mike Moscoff | UK | Allowed |
| Mike Mukhanov | Unknown | ||
| Mike O'Neill | UK | Unknown | |
| Mike O'Reilly | UK | Unknown | |
| Mike Pertwee | UK | Unknown | |
| Mike Rains | UK | Unknown | |
| Mike Rapps | UK | Unknown | |
| Mike Reidel | UK | Unknown | |
| Mike Robinson | Australia | Unknown | |
| Mike Rose | UK | Unknown | |
| Mike Salem | UK | Unknown | |
| Mike Salmon | UK | Unknown | |
| Mike Saxby | UK | Unknown | |
| Mike Simpson | UK | Unknown | |
| Mike Singleton | Mike Singleton | UK | Allowed |
| Mike Sleight | UK | Unknown | |
| Mike Smith | UK | Unknown | |
| Mike Stockwell | UK | Unknown | |
| Mike Talbot | UK | Unknown | |
| Mike Three-Seven | Denis Hickie | UK | Unknown |
| Mike Webb | UK | Unknown | |
| Mike Westlake | UK | Unknown | |
| Mike Wharton | UK | Unknown | |
| Mike Wheeler | UK | Unknown | |
| Mike White | Mike White | UK | Allowed |
| Mike Williams | UK | Unknown | |
| Mike Woodroffe | UK | Unknown | |
| Mike Wynne | UK | Unknown | |
| Mike Young | UK | Unknown | |
| Miker | Unknown | ||
| Mikezt | Slovakia | Unknown | |
| Mikhail Sudakov | Russia | Unknown | |
| Miklos Vegh | Miklos Vegh | Hungary | Allowed |
| Mikomedes | Juan Carlos Soriano | Spain | Unknown |
| Mikro Knjiga | Yugoslavia | Unknown | |
| Mikro-Gen Ltd | Mikro-Gen Ltd | UK | Allowed |
| Mikro-Mike | UK | Unknown | |
| Mikro+Kleincomputer Informa Verlag AG | Germany | Unknown | |
| Mikropol | Poland | Unknown | |
| Mikros | Poland | Unknown | |
| Mikulas Zalai | Slovakia | Unknown | |
| Milamber | UK | Unknown | |
| Milan Blazicek | Slovakia | Unknown | |
| Milan Kudrna | Czech Republic | Unknown | |
| Milan Matousek | Milan Matousek | Czech Republic | Allowed |
| Milan Pavicevic | Serbia | Unknown | |
| Mild Soft | Russia | Unknown | |
| Miles Bozeat | UK | Unknown | |
| Miles Gordon Technology | Miles Gordon Technology | UK | Unknown |
| Miles Kinloch | UK | Unknown | |
| Miles Sampson | UK | Unknown | |
| Militarverlag | Germany | Unknown | |
| Milivoy Kostic | Serbia | Unknown | |
| Millansoft | Spain | Unknown | |
| Millenium Software | UK | Unknown | |
| Mills | UK | Unknown | |
| Millside Software | UK | Unknown | |
| Millsoft | UK | Unknown | |
| Milos Novak | Slovakia | Unknown | |
| Miloslav Bahna | Slovakia | Unknown | |
| MilousSoft | Czech Republic | Unknown | |
| Milton Bradley International Inc | Hasbro Inc | USA | Unknown |
| Milton Maldonado Jr | Brazil | Unknown | |
| Milytia | Russia | Unknown | |
| Mimi Doggett | Mimi Doggett Romberger | UK | Allowed |
| Mimi Doggett Romberger | Unknown | ||
| Mimic | Russia | Unknown | |
| Minatron Computing | UK | Unknown | |
| Mind Games | Grandslam Interactive Ltd | UK | Unknown |
| Mind Games Espana S.A. | Spain | Unknown | |
| Mind's Eye Software | UK | Unknown | |
| Mindscape International Inc | Mindscape International Inc | UK | Unknown |
| Mindware | USA; UK | Unknown | |
| Mine of Information Ltd | Unknown | ||
| Minicom Soft | UK | Unknown | |
| Minimal Systems | UK | Unknown | |
| Minimicro Software | UK | Unknown | |
| Minisoft | Belarus | Unknown | |
| Miodrag Stancevic | Yugoslavia | Unknown | |
| MiPH&T Hackers Club | Russia | Unknown | |
| Miquel Coma Rivas | Spain | Unknown | |
| Miquel Garcia | Spain | Unknown | |
| Mira Software | UK | Unknown | |
| Miracle Games | Doreen Bardon | UK | Allowed |
| Miracle Systems Ltd | UK | Unknown | |
| Miracle Technology UK Ltd | UK | Unknown | |
| Mirage | UK | Unknown | |
| Mirage Microcomputers Ltd | UK | Unknown | |
| Mirage Software | UK | Unknown | |
| Mirage Studios | USA | Unknown | |
| Miratec Systems | UK | Unknown | |
| Mircale Technology | UK | Unknown | |
| Mirko Monninghoff | Mirko Monninghoff | Germany | Allowed |
| Miron | Russia | Unknown | |
| Miroslav Fidler | Miroslav Fidler | Czech Republic | Allowed |
| Miroslav Hlavicka | Czech Republic | Unknown | |
| Miroslav Janjic | Unknown | ||
| Miroslaw Furmanek | Poland | Unknown | |
| Mirror Group Newspapers Ltd | UK | Unknown | |
| Mirrorsoft | Unknown | ||
| Mirrorsoft Ltd | Mirrorsoft Ltd | UK | Unknown |
| Mischeal | Russia | Unknown | |
| Misoft [2] | UK | Unknown | |
| Mission Software | UK | Unknown | |
| Mister Beep | Mister Beep | Poland | Allowed |
| Mister Chip | Spain | Unknown | |
| Mistic JOE | Czech Republic | Unknown | |
| Mistral Software | UK | Unknown | |
| Mitchell | Japan | Unknown | |
| Mitchell Corporation | Unknown | ||
| Mitchell Software Ltd | Robin Clive Mitchell | UK | Allowed |
| Mitchell Waite | USA | Unknown | |
| Mitec | UK | Unknown | |
| Mitro Istvan | Hungary | Unknown | |
| Miva Rafii | Poland | Unknown | |
| Mix Soft | Russia | Unknown | |
| Mixer | Russia | Unknown | |
| Mixoft | Czech Republic | Unknown | |
| Mixt Dimension | Mixt Dimension | Spain | Allowed |
| Mixtring | Spain | Unknown | |
| Mizar Computing | UK | Unknown | |
| MJC | Spain | Unknown | |
| Mjukvara sf | Iceland | Unknown | |
| MKSoft Ltd | Russia | Unknown | |
| Mladen Erjavec | Croatia | Unknown | |
| Mladinska Knjiga | Slovenia | Unknown | |
| Mladost | Serbia | Unknown | |
| Mlodziezowa Agencja Wydawnicza | Poland | Unknown | |
| MM Microwave Ltd | UK | Unknown | |
| MMCM | Russia | Unknown | |
| Mme Sosostris | UK | Unknown | |
| Mme Sosostris Astro Computing | UK | Unknown | |
| MNL Software | MNL Software | UK | Allowed |
| Modem House | UK | Unknown | |
| Modem'Co | Russia | Unknown | |
| Modular Resources Ltd | UK | Unknown | |
| Mogul Communications Ltd | UK | Unknown | |
| MoI | UK | Unknown | |
| Moises Vilalta Pons | Spain | Unknown | |
| Moises Villa | Spain | Unknown | |
| Moj Mikro | Slovenia | Unknown | |
| Moj Mikro [CR] | Slovenia; Croatia | Unknown | |
| Moj Mikro [SB] | Slovenia; Serbia | Unknown | |
| Mojmir Baumgartner | Slovenia | Unknown | |
| Mole Software | UK | Unknown | |
| Monaco Computing Corporation | Unknown | ||
| Monarch | Belarus | Unknown | |
| Monea Software | Eduard Monea | Romania | Allowed |
| Monflair Ltd | UK | Unknown | |
| Mongee Boswell | UK | Unknown | |
| Monica Haller | Germany | Unknown | |
| Monitor | UK | Unknown | |
| Monk Soft | UK | Allowed | |
| Mono Soft | Spain | Unknown | |
| Monolith | UK | Unknown | |
| Monrab | Spain | Unknown | |
| Monser S.A. | Spain | Unknown | |
| Monster's Legs Productions | Kevin McGrorty | UK | Allowed |
| Monsterbytes | Malcolm Kirk | UK | Allowed |
| Montanaro | Italy | Unknown | |
| Montevideo Uruguay | Uruguay | Unknown | |
| Moonchild Software | Craig Richard Davies | UK | Unknown |
| Moonsoft | Russia | Unknown | |
| Moonstone | UK | Unknown | |
| Moonstone Computing | UK | Unknown | |
| Moose | UK | Unknown | |
| Moran | Russia | Unknown | |
| Morbosoft | Spain | Unknown | |
| Morex Peripherals Ltd | Abbeydale Designers Ltd | UK | Unknown |
| Morkin | UK | Unknown | |
| Morley Davies Associates | UK | Unknown | |
| MorningStar | UK | Unknown | |
| moroz1999 | moroz1999 | Estonia | Unknown |
| Morozovsk | Russia | Unknown | |
| Morpheus Games | UK | Unknown | |
| Morrisons | Wm Morrison Supermarkets PLC | UK | Unknown |
| Morriss | Russia | Unknown | |
| Morsoft | UK | Unknown | |
| Mortal Kombat Hackers Group | Russia | Unknown | |
| Mosaic Publishing Ltd | UK | Unknown | |
| Motivation Software | Alec Carswell | UK | Unknown |
| Mottly | Neil Mottershead | UK | Allowed |
| Mountain Valley Software | UK | Unknown | |
| Mouse | UK | Unknown | |
| Moxxon | Spain | Unknown | |
| MPC Games Ltd | UK | Unknown | |
| MPF Software | Russia | Unknown | |
| MQM Team | Czech Republic | Unknown | |
| Mr Byte Software | Italy | Unknown | |
| Mr Ljung | Sweden | Unknown | |
| Mr Pixels | UK | Unknown | |
| Mr ZX | Netherlands | Unknown | |
| Mr. Anonymous | Simon Conway | UK | Allowed |
| Mr. Beeper | Ukraine | Unknown | |
| Mr. Chip Software | Magnetic Fields | UK | Allowed |
| Mr. Clayton | UK | Unknown | |
| Mr. Clumsy | Russia | Unknown | |
| Mr. Davis | UK | Unknown | |
| Mr. Incognito | Unknown | ||
| Mr. Ltd | Russia | Unknown | |
| Mr. Micro Ltd | UK | Unknown | |
| Mr. Monk | Russia | Unknown | |
| Mr. Nik | Russia | Unknown | |
| Mr. Ped | Peter Helcmanovsky | Slovakia | Allowed |
| Mr. Tasker | UK | Unknown | |
| Mr. Twister | Russia | Unknown | |
| Mr. Well | Russia | Unknown | |
| Mrax | Russia | Unknown | |
| MRP-SBS Software | UK | Unknown | |
| MRSoft | Unknown | ||
| MS Games | UK | Unknown | |
| MS Software | Germany | Unknown | |
| MS-CID | Czech Republic | Unknown | |
| MSD Group | Russia | Unknown | |
| Msoft | UK | Unknown | |
| MST Consultants | UK | Unknown | |
| MTB | Russia | Unknown | |
| MTV Networks | MGM Inc | USA | Unknown |
| Muad'Dib | Poland | Unknown | |
| Mulder | Allen Doe | UK | Allowed |
| Multisoft | Multisoft | Germany | Unknown |
| Multisoft Informatica Ltda | Brazil | Unknown | |
| Multitron | UK | Unknown | |
| Multyplex Group | Russia | Unknown | |
| Mumrin Nikolaj | Unknown | ||
| Munning Games | UK | Unknown | |
| Mupados | UK | Unknown | |
| Murray Sargent | USA | Unknown | |
| Murzen | Russia | Unknown | |
| MUSE | UK | Unknown | |
| Mushroomsoft | UK | Unknown | |
| Music Soft | Spain | Unknown | |
| Musical 1 S.A. | Spain | Unknown | |
| Musical Muntaner S.A. | Unknown | ||
| Muszaki Konyvkiado | Hungary | Unknown | |
| MVG-Verlag | Germany | Unknown | |
| MW Gamesworld | UK | Unknown | |
| MW Software | UK | Unknown | |
| MXK | Poland | Unknown | |
| MyKat | Russia | Unknown | |
| Myrmidon Software | UK | Unknown | |
| Myrna Silver | UK | Unknown | |
| Mystery Software | UK | Unknown | |
| Mystic Software | UK | Unknown | |
| Mythos | Evgeny Bystrov | Belarus | Allowed |
| Mythos Games Ltd | Mythos Games Ltd | UK | Unknown |
| Mythsoft | UK | Unknown |
