Conferences are generally geared more toward game industry professionals. Conferences may have expo halls, but the bulk of the event consists of speakers, meeting rooms, roundtables, and other discussion platforms. Visit the calendar for actual events.
Events for Gamers is a game industry event calendar and resource for conferences and conventions from around the world. Events include GDC, SIGGRAPH, Casual Connect, GamesBeat, E3 Expo, PAX, Comic-Con, Computex, and hundreds of others.