• Midstate Machine - A complete automotive machine shop, specializing in engine rebuilding, crankshaft grinding, cylinder head repair, engine machining and balancing with flow bench testing.
  • C1 Sports, Ltd. - Motorsports workshop based in Thailand specializes in rally car preparation. Supplier of second hand high performance Japanese engines.
  • Ryan Brown Inc - Builds racing engines, fuel systems and ignition components for all types of oval and drag racing.
  • 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.
  • Slark Race Engineering - Builds engines for race and speed events including Mini Miglia, Mini Sevens and hillclimb/sprint cars.
  • Swap Shop - Offers engine rebuilding, swaping, replacing, and upgrading services.
  • Ed Pink Racing Engines - Offers engine building, testing, design, and development facilities.
  • 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.
  • Sonny Leonard Racing Engines - Builder of engines for high performance street rods, drag racing, oval track and marine applications.
  • 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.
  • Florida Performance Machine - A complete racing and performance shop, providing engine building, race car chassis setup and dyno testing.
  • Quorn Engine Developments - Motorsport engine specialists in the UK.
  • Autoshop Racing Engines - Designs and develops racing engines for drag racing, road racing and extreme street performance.
  • Weseman Engineering - Building racing engines for sprint cars, late model, modified and super stock in Minnesota.
  • Fonse Performance - Supplying high performance and racing engines to the marine and racing community. Dyno and flow bench testing available.
  • N Bold Engineering - Formula Ford 1600 race engine building, dyno testing, balancing facilities, new and used sales in the UK.
  • Shafiroff Racing Engines and Components - Custom built race engines, short block kits, cylinder head packages, balanced rotating assemblies, and parts and accessories.
  • Davis Technologies - Builder's of a traction control, sensorless electronic traction control system for racing, virtually undetectable. Also, wiring harnesses and driver cooling systems.
  • Dutchess Automotive Machine Shop - Engine work for racing cars. Balancing, flow bench, dynomometer services. Race engine research and development.
  • HP Racing Engines - Performance engine machine shop operations, engine coatings, and chassis work for high performance and racing vehicles.
  • Enders Racing Engines - Includes engine tour, classifieds, news and project information. Engine builder and machine shop services.