This page needs more electronics suppliers and info on what each supplier is good for / pricing,

Electrical and Electronic Components

• DigiKey
• Mouser Electronics
• Delcity: Cheap terminals, fuses, automotive electrical components
• Sparkfun Electronics: Common electronic parts, sensors, controller boards, micro controllers, unique electronics parts
• Batt's Racing and Ladd: Deutsch Connectors, somewhat expensive but very, very nice.
• Circuit Specialists Soldering, test equipment, really cheap wire

Controllers

• Pololu: Has nice looking rs232 servo drivers
• Parallax: Controllers, servo drivers, misc. components
• Netburner: Nice, easy to use microcontrollers with ethernet and CAN
• http://www.phidgets.com/
• http://www.weedtech.com/
• http://store.mp3car.com/

Lab Equipment

• TestMart

PCB Manufacture

• Advanced Circuits
• AP Circuits
• Sierra / ProtoExpress