| Formula_Grand_Prix Manufactures Club Racer a formula style race car. |
| Formula_Motorsports New York based Professional and Semi-Professional racing of Porsche vehicles since 1966. |
| G_and_S_Autoworks Specializes in race car preparation, vintage racing, porsche restoration and street rods. |
| Gavspeed_Racing Autograss racing car preparation and engine builders. |
| Geartronics Design and manufacture of digital gear indicators for use with all types of sequential motorsport gearboxes. |
| Giannini_Racing 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. |
| Gillet_Vertigo Designer of the Vertigo racecar. Includes car specifications, history, news and links. |
| GM_Racing Includes information on philosophy,technology and schedule of events. |
| Go_Fast_Bits Manufactures blow off valves and pulleys for racing cars. |
| Gravitron_Electric_Vehicles Designs and manufactures electric karts and accessories. |
| GruppeM Uk based company specializing in high performance car parts and accessories. |
| Hans_Feustel_Racing Builds racing motors and offers high performance motor parts. |
| Hartham_Technology Specializing in high tech, precision engineering design and analysis. |
| Hemco_Machine_Company,_Inc_ A full service machine company for prototype machining, automotive computer electrical components, and fixturing. |
| Holley_Performance_Products Fuel management and electronic control systems. |
| Hot_Rods_And_Custom_Stuff Street rod and restoration service shop. View over 1,000 photos of custom hot rods. |
| Hotbuggy Manufacturers all terrain single user off road vehicle for sports recreational use. Includes news and multimedia. |
| ISC_Motorsports In addition to 12 sanctioned tracks, the International Speedway Corporation owns and operates MRN Radio, Daytona USA, Americrown Service Corporation and Motorsports International. Tickets, press relea |
| Jamie_Edwards_Motorsport A motorsport company specializing in press releases and corporate public relations. |
| Jetwebb A source for Jet Powered Drag Racing Vehicles. |
| Ken\'s_Kustom_Chassis Builder of drag racing cars and components. |
| Kincaid_Performance_Inc_ Electric intercooling for turbocharged and supercharged applications. |
| Kowalsky_Motorsports Preparation and modification of club racing cars, engines, suspensions or roll cages. |
| KP_Motorsport Motorsport repairs and race preparations along with general car repairs, sales, servicing in the UK. |
| KSE_Racing_Products Offers racing products for the dirt track, midget, sprint and stock car markets. Includes product catalog. |
| KT_Racing Provides driver promotion and sponsor services to teams and individuals. |
| KTR_Motorsports Offers race prep and restoration of vintage car needs. |
| Ladd\'s_Porting_Service Performance cylinder head machining, porting, milling, guides and valve job services. |
| Le_Mans_Motorsport Offers Rally and Kart race preparation. |
| Legends_Race_Hire An organization based at the Knockhill Circuit near Edinburgh, Scotland. They provide Legends Cars for hire. |
| Lemons_Headers Manufactures high performance custom headers. |
| Lesco_Engine_Machine Rebuilders of vintage race car motors, includes engine rebuilding and service. |
| Looney_Tuned_Exhaust Manufacturer and distributor of Mini-Outlaw high performance racing pipe systems. |
| Ls_Developments_UK_Ltd Manufacturers fabricated and machined parts for racing cars. Also offers complete design concept and production. |
| Lucas_Oil_Products_Inc Manufacturer of petroleum additives and oils for high performance engines. |
| M_&_M_Performance_Bodies Manufactures high performance go-kart bodies for oval dirt and asphalt racing. |
| Mangus_Precision_Pumps Manufacturer of dry sump oil pump systems. |
| Maximum_Street_Performance High-performance motorcycle center. |
| Maxxis Europe karting tyres program. Information about dealers, programs, and product specifications. |
| McKenna_Motorsport Restoration and race preparation for classic Lotus and Ford for road, historic race or rally. |