There are many camps to choose to attend.
Examples are:
Camp JDM aka Sinclair Motorsports
Camp Lightning - Anyone with a Lightning who doesn't belong in the above club ^^
Camp Ford - Hopefully no explanation needed
Camp Chevy - " " " "
Camp Rice - " " " "
Camp LS1 - All
Camp Superman - Not street cars according to Kryptonite
Camp "True Street" - Don't ever let us see your car on a trailer
Camp Ten - The camp for 10 second 1/8th mile trucks and cars. You know if you belong.
Other camps are in the process of being planned. Please post up any I left out.