JB Conversions
JB Conversions is a leader in heavy duty drivetrain parts and conversions including transmissions and transfer cases.
http://www.jbconversions.com/

Kay Kay Industrial Corporation
India. Manufactures machinery for the power cable and sugar mill industries, as well as a range of heavy duty helical gears and gear boxes.
http://www.kkicindia.net/

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

Stock Drive Products/Sterling Instrument
SDP/SI ISO 9001 producers of Spur Gears Helical Gears Internal Gears Bevel Gears Plastic Gears Miter Worm Precision Rack Pinion ring Gear blanks spiral Anti-Backlash Dials nylon machined Worms ground custom spline gears and all other type of Gears
http://www.sdp-si.com/eStore/CoverPg/Gears.htm

Rush Gears Custom Spur Gears
Nobody makes gears faster - prototypes, production runs, variety of materials
http://www.rushgears.com

Miner Enterprises Inc.
Designer and manufacturer of railcar components including high capacity draft gears, constant contact side bearings, heavy-duty discharge devices, custom unloading systems, and brake beams.
http://www.minerent.com

Chicago Gear Works
Manufacturers of custom gears, miter gears, worm gears and worm sets, spur gears, bevel gears, and Coniflex gears.
http://www.chicagogearworks.com

Strollo's Towing
Strollo's Towing Service includes a complete car care center, heavy duty towing, light duty towing, hauling, and road service. Strollo's also supplies sales and service for snow removal and sanding equipment.
http://www.strollo.net/strollostowing.html

Diego Truck Repair
Greenbrae, California, United States. 24 hour medium to heavy duty towing service specializing in recovery, complete medium to heavy duty repairs and local and long distance transport.
http://www.diegotruck.com

Karmak, Inc.
Software specialists to the truck industry: heavy duty parts distributors, heavy duty truck dealerships and repair shops, truck lease and rental companies.
http://www.karmak.com/