» Autoshop Racing Engines    Designs and develops racing engines for drag racing, road racing and extreme street performance.    http://www.autoshopracingengines.com/

» C1 Sports, Ltd.    Motorsports workshop based in Thailand specializes in rally car preparation. Supplier of second hand high performance Japanese engines.    http://silverstone.fortunecity.com/fittipaldi/226/

» Davis Technologies    Builder's of a traction control, sensorless electronic traction control system for racing, virtually undetectable. Also, wiring harnesses and driver cooling systems.    http://moretraction.com/

» Dutchess Automotive Machine Shop    Engine work for racing cars. Balancing, flow bench, dynomometer services. Race engine research and development.    http://dambest.com/

» Ed Pink Racing Engines    Offers engine building, testing, design, and development facilities.    http://edpink.com/

» Enders Racing Engines    Includes engine tour, classifieds, news and project information. Engine builder and machine shop services.    http://www.endersracingengines.com/

» Florida Performance Machine    A complete racing and performance shop, providing engine building, race car chassis setup and dyno testing.    http://www.floridaperformance.com/

» Fonse Performance    Supplying high performance and racing engines to the marine and racing community. Dyno and flow bench testing available.    http://www.fonseperformance.com/

» HP Racing Engines    Performance engine machine shop operations, engine coatings, and chassis work for high performance and racing vehicles.    http://www.hpracingengines.com/

» Midstate Machine    A complete automotive machine shop, specializing in engine rebuilding, crankshaft grinding, cylinder head repair, engine machining and balancing with flow bench testing.    http://www.automotivemachineshop.com/

» N Bold Engineering    Formula Ford 1600 race engine building, dyno testing, balancing facilities, new and used sales in the UK.    http://www.homestead.com/boldengineering/Index.html

» Pontiac Dude's House of Speed    Full line machine shop and build all types of racing and street engines. Includes engine specifications and message board.    http://www.angelfire.com/fl4/pontiacdude428/

» Prewitt Racing    Builds custom engines for Ford or Chevy, custom tuning, chassis work, drivetrain and electrical work as well as fabrication and installation of supercharges, turbo kits and nitrous oxide.    http://www.prewittracing.com/

» Quorn Engine Developments    Motorsport engine specialists in the UK.    http://www.qednet.demon.co.uk/

» Ryan Brown Inc    Builds racing engines, fuel systems and ignition components for all types of oval and drag racing.    http://www.ryanbrownracing.com/

» Shafiroff Racing Engines and Components    Custom built race engines, short block kits, cylinder head packages, balanced rotating assemblies, and parts and accessories.    http://www.shafiroff.com/

» Slark Race Engineering    Builds engines for race and speed events including Mini Miglia, Mini Sevens and hillclimb/sprint cars.    http://www.slarkraceengineering.co.uk/

» Sonny Leonard Racing Engines    Builder of engines for high performance street rods, drag racing, oval track and marine applications.    http://www.sonnysracingengines.com/

» Swap Shop    Offers engine rebuilding, swaping, replacing, and upgrading services.    http://efiswapshop.com/

» Weseman Engineering    Building racing engines for sprint cars, late model, modified and super stock in Minnesota.    http://wesemanengineering.com/

» Williams Precision Engines    High performance dynometer equipped machine shop specializing in custom built Sprint Car, Late Model, UMP Modified, and 2300 Ford Mini Stock, racing engines.    http://www.wpespeedshop.com/