AP Racing
- http://www.apracing.com/
- Manufacturer of brakes, clutches and other equipment for all forms of motorsports. Includes technical information and application guides.
Abacus Racing
- http://www.abacusracing.com/
- Located in Virginia Beach, Virginia where SCCA Vintage Nissan, Triumph and MG Engines are built and dyno-tuned to race readiness. Full machine shop services available.
Anthony Woodford Racing
- http://www.awrracing.com/
- Provides suspension and chassis tuning and fabrication, track support, composite design and forming of body panels, and high performance parts for Mazda vehicles and Formula Atlantics.
Arias Pistons
- http://www.ariaspistons.com/
- Production and manufacture of high-performance pistons. Products include domestic pistons, sport compact pistons, motorcycle pistons, custom pistons and piston hardware.
Aurok
- http://www.firrips.freeserve.co.uk/
- Provides engineering, development and management services to race teams in top level motorsport throughout the world.
Downs Engineering
- http://www.downsengineering.com/
- Handcrafted and custom built Realm Runner Race Cars. Located in Sonoma, California. Includes photos, car specifications and pricing information.
Electromotive Engine Controls
- http://www.electromotive-inc.com/
- Engine control, non-distributor ignition and fuel injection products, for drag or endurance racing plus high performance street and strip applications. Technical data, photos, and product manuals online.
Elf Fuel
- http://www.elfracing.com/
- Produces lubricants, and a significant range of race fuels including: 98-octane BFK07. Site provides tuning tips and environmental benefits.
FKP
- http://www.fkp-us.com/
- Indoor karts, equipment, and parts, including remote shutoff systems and timing systems. Photos and contact information.
Giannini Racing
- http://www.gianniniracing.com/
- Distributor of Blata pocketbikes, parts and minimoto race engines, engine upgrades and accessories. Minimite performance parts from Giannini Racing for the mini 2.5, Elite13 and the B1 pocket bike.