| ARW Inc.: Engine shop specializing in digital balancing, assembly and bolt on. Authorized service center for Gale Banks Engineering and located in Springfield, Missouri |
| Autoshop Racing Engines: Designs and develops racing engines for drag racing, road racing and extreme street performance. |
| C1 Sports, Ltd.: Motorsports workshop based in Thailand specializes in rally car preparation. Supplier of second hand high performance Japanese engines. |
| 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. |
| Ed Pink Racing Engines: Offers engine building, testing, design, and development facilities. |
| Enders Racing Engines: Includes engine tour, classifieds, news and project information. Engine builder and machine shop services. |
| FEV Racing Team: Develops and optimises high power engines with regard to power, torque, fuel consumption and other important parameters required for Motor racing. |
| Florida Performance Machine: A complete racing and performance shop, providing engine building, race car chassis setup and dyno testing. |
| Fonse Performance: Supplying high performance and racing engines to the marine and racing community. Dyno and flow bench testing available. |
| HP Racing Engines: Performance engine machine shop operations, engine coatings, and chassis work for high performance and racing vehicles. |
| J P Race Shop, Silverstone Circuit, UK: Competition gearbox building, servicing and racing development. |
| Midstate Machine: A complete automotive machine shop, specializing in engine rebuilding, crankshaft grinding, cylinder head repair, engine machining and balancing with flow bench testing. |
| N Bold Engineering: Formula Ford 1600 race engine building, dyno testing, balancing facilities, new and used sales in the UK. |
| 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. |
| 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. |
| Quorn Engine Developments: Motorsport engine specialists in the UK. |
| Ron Pope Motorsports: Junior Dragster and Kart engine building along with race car fabrication. |
| Ryan Brown Inc: Builds racing engines, fuel systems and ignition components for all types of oval and drag racing. |
| Shafiroff Racing Engines and Components: Custom built race engines, short block kits, cylinder head packages, balanced rotating assemblies, and parts and accessories. |
| Slark Race Engineering: Builds engines for race and speed events including Mini Miglia, Mini Sevens and hillclimb/sprint cars. |
| Sonny Leonard Racing Engines: Builder of engines for high performance street rods, drag racing, oval track and marine applications. |
| Swap Shop: Offers engine rebuilding, swaping, replacing, and upgrading services. |
| Weseman Engineering: Building racing engines for sprint cars, late model, modified and super stock in Minnesota. |
| 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. |
Classical
