Mad Genius :	www.madgenius.com
Magnet Interactive :	www.magnet.com
Malfador Machinations :	www.www.crl.com./~malfador
Mango Grits :	www.mangorits.com
Marvel Online :	www.marvelonline.com
Maxis :	www.maxis.com
Megamedia :	www.megamedia.com
Megatech Software :	www.megatech-software.com
Melbourne House :	www.melbournehouse.com
Metropolis Digital :	www.metro3d.com
Metropolis Software House :	www.metropolis.com
Midway :	www.midway.com
M.G.M :	www.mgm.com
Microforum :	www.microforum.com
Microïds :	www.microids.com
Microprose :	www.microprose.com
Microsoft Corporation :	www.microsoft.com
Midas Interactive :	www.gamesarena.com
Midway :	www.midway.com
Military Simulations :	www.military-sim.com
Mind Mechanics:	www.mindmech.com
Mindscape :	www.mindscape.com
Mission Studios :	www.missionstudios.com
Mixman Technologies :	www.mixman.com
Monkey Byte :	www.mbyte.com
Monolith Productions :	www.lith.com
Mountain King Studios :	www.mking.com
MP Entertainment :	www.hopkinsfbi.com
Mythos Games :	www.mythosgames.com