Conferences
Austin Game Conference, E3Expo - Electronic Entertainment Expo, Game Developers' Conference, Independent Games Festival
Consultants
Board Game Design Services, DiamondWare, Ltd., Game Design Studio, Hypervisual, MILIA, POP, ProVisuals
Designers
Adams, Ernest W., Bartle, Richard A., Bastian, Ben, Bleszinski, Cliff - CliffyB, Costikyan, Greg, Crawford, Chris - Erasmatazz, Dave Taylor Consulting, Fristrom, Jamie - GameDevBlog, Gilbert, Ron - Grumpy Gamer, Jaquays, Paul
Development Tools and Software
ZZT and MegaZeux, 3D Adventure Studio, 3D animation motion capture services, 3D Digital Motion Analysis and Motion Capture, 3D Game Maker - Gamespy.com Review, 3D Game Studio 4.0, 3Dlabs, Afterworks, Ascension, Build Your Own Net Dream (BYOND), Conitec
Education
College of Interactive Arts, DigiPen, Full Sail Real World Education, Game Design Schools, Game Programmer: Schools, GameInstitute, International Certificate Program in New Media, Laboratory for Recreational Computing, The, Mesmer Animation Labs, NAD Centre
Magazines and E-zines
Gamasutra, Game designer, Game Developer Magazine, Gameslice, Gaming Insider, Loonygames
Resources
Board Game Invention and Self-Publishing Resources, Careers in video game development, const bookmarks, Deeko.com, Dragolins guide to eradication, Game Design: Theory & Practice, GameCreators, Gamedata010, games-match.com, Gaming Ground Zero
Game Depot
A website with discussion forums for discussing game design. 3D topics and others.
GameCreators
Site includes a list of links to many different game editors and articles.
Johny's Ranting on Gaming
Personal opinions and commentary on game design, especially multiplayer games.