Hydrovane Self Steering
Hydrovane Self Steering for sailboats, perfected over 30 years this Selfsteer vane wind unit is easy to install, easy to operate and easy to maintain.
http://www.hydrovane.com/

Levy Steering Center
Levy Steering Center offers a complete line of aftermarket rebuilt power steering gears and pumps.
http://www.levysteering.com/

Bab Steering Hydraulics
Remanufactures hydraulic and mechanical steering components. Site includes list of distributors.
http://www.babsteering.com/

Freehand Steering System
Manufacturers and designers of a windvane self-steering device for ocean sailing vessels which requires no electricity.
http://www.freehandsteering.com/

Peeves Control Program
Discusses use of PID and odometry for a mobile robot with differential steering
http://www.seattlerobotics.org/encoder/200108/using_a_pid.html

Power Steering Specialists
Aftermarket remanufacturer of heavy duty and automotive steering gears and pumps. Also supplies hose fittings and accessories.
http://www.pss1.com/

Jastram Engineering ltd.
Jastram Engineering Ltd. is your supplier for marine steering and electronic control systems design, manufacturing and remanufacturing.
http://www.jastram.com/

Bruce Industries
Home page for Bruce Industries, Internet Marketing Division of Delaware Valley Auto Spring Co. Inc., one of America's largest steering gear remanufacturers and a major supplier of hard-to-find and
http://home.att.net/~bruce_industries/

Mr Robot
Robot Kits, Microcontrollers, robot kit, Lego, robot books, for sale by robots who care about robotics
http://www.mrrobot.com/

Irobotics India
Gerard Sequeira's robots. Includes information on his fire fighting robot, a golf playing robot based on the PIC16F84A, and a line following robot.
http://www.geocities.com/gear996/