Groups - Demozoo

Marauders (.fi)

Marauders (.no)

Marcel Software of California

March[ing] Cats (zx spectrum) - MC, March Cats, Marching Cats, march[in]_cats, march[ing]_cats, march[ing]cats

Marcin & Tomek

Marelwish Production

Marines - MRS

Markt und Technik

Markt und Technik Verlag

Marmot

Maroon

Marquee Design - MQD

Marra

Marram

Marseille Production - MAP

Marshals - MRS, Marshalz

Marsmellow - MSM

MarszczMelon

Marte

Martech

Martial-Art Software

Martin Eats Ices - MEI

Martin+Christian - M+C

Martsari Rollin 20 Cripz

Martyr

Maru-Ike

Marvel

Marvellous Cracking Corporation - MCC

Masakre (artgroup) - MSK

Masakre Productions

Masasoft

MASC

Masca

Masca Team - MascaTeam

Mash (pc)

Mash! Productions - Mash!

Mashinka

Mask - M

Masque (amiga/pc/demo) - MSQ

Masque (pc/warez) - MSQ

Masquerade - MQR

Mass

Mass Consumption

Mass Trading Alliance

MaSSaCa

Massive (amiga/1996-1997) - MSV

Massive (pc/.nl)

Massive (amiga/1991-1992)

Massive Unlimited

Massively Insane Anarchy - MiA