Based on the Pit Map, there are 41 teams coming:
4 < Team 4 ELEMENT > Van Nuys, CA
114 < Eagle Strike > Los Altos, CA
115 < MVRT > Cupertino, CA
254 < The Cheesy Poofs > San Jose, CA
399 < Eagle Robotics > Lancaster, CA
604 < Quixilver > San Jose, CA
696 < Circuit Breakers > La Crescenta, CA
701 < RoboVikes > Fairfield, CA
766 < M-A Bears > Atherton, CA
841 < The BioMechs > Richmond, CA
846 < The Funky Monkeys > San Jose, CA
968 < RAWC (Robotics Alliance Of West Covina) > West Covina, CA
971 < Spartan Robotics > Mountain View, CA
972 < Iron Claw > Los Gatos, CA
973 < Greybots > Atascadero, CA
1351 < TKO > San Jose, CA
1671 < Buchanan Bird Brains > Clovis, CA
1678 < Citrus Circuits > Davis, CA
1836 < The MilkenKnights > Los Angeles, CA
1868 < Space Cookies > Moffett Field, CA
1967 < The Janksters > San Jose, CA
2073 < EagleForce > Elk Grove, CA
2135 < Presentation Invasion > San Jose, CA
3250 < Kennedy Robotics > Sacramento, CA
3256 < WarriorBorgs > San Jose, CA
3309 < Friarbots > Anaheim, CA
3476 < Code Orange
> Irvine, CA
3663 < CPR - Cedar Park Robotics > Bothell, Washington
3859 < Wolfpack Robotics > Elk Grove, CA
4488 < Shockwave > Hillsboro, Oregon
4543 < The Illuminators > San Jose, CA
4904 < Bot-Provoking > Hillsborough, CA
5012 < Gryffingear > Palmdale, CA
5026 < Iron Panthers > Burlingame, CA
5499 < Berkeley High School Robotics > Berkeley, CA
5677 < The Subatomic Smarticles > San Jose, CA
5700 < SOTA Cyberdragons > San Francisco, CA
5803 < Apex Robotics > Seatac, Washington
5817 < Uni-Rex > Sanger, CA
5829 < AwtyBots > Houston, Texas
5924 < SI Robotics > San Francisco, CA