I.B.M. Interactive :	www.fr.ibm.com
Ice Online :	www.iceonline.com
IDEA Software :	www.ideasoftware.com
ID Software :	www.idsoftware.com
Imagic Online :	www.imagiconline.com
Imaginative Illusions :	www.angelfire.com/id/imaginative
I-Motion Technologies :	www.imotion.com
Impact Interactive :	www.impactgames.com
Incredible Simulations :	www.incrediblesimulations.com
Incredible Technologies :	www.itsgames.com
Infinite Monkey Systems :	www.imonkey.com
Infogrames Entertainment :	www.infogrames.com
Insomnia Entertainment :	www.insomnia.com.au
Intense Games :	www.intensegames.com
Interactive Magic :	www.imagicgames.com
InterActivision :	www.iavision.com
Interplay Productions :	www.interplay.com
Ionos Software :	www.ionos.com
Ion Storm :	www.ionstorm.com
Iridon Interactive :	www.iridon.com