| Artés Jet: Manufacturer of micro engines turbines and parts. Technical information and history. Located in Spain. Site is in English and Spanish. |
| Aviatronics Limited: Manufacturer of Aviastar model engines designed for large scale model airplane use. Hong Kong, China. |
| B.H. Hanson: Makes gasoline engines for model helicopter, boat, plane, and car applications. USA. |
| Conley Precision: Manufacturers 1/4 scale radio-controlled vehicles. Images and pricing provided for Cobra and 23 "T" bucket classic cars and associated V-8 engine and test stand. USA. |
| GCBM R/C Models: Specializing in new and used R/C Model airplane engines, GCBM R/C is a Rossi and MVVS engine dealer, manufactures a 25cc gas conversion engine. |
| Leo Engines Industry: Manufacturer of model engines for air craft, helicopter, boat, car accessories, agricultural and accessories. |
| Lightning Aircraft Engines: Designs, develops and manufactures opposed two-cycle engines and parts for the unmanned aerial vehicle industry. USA. |
| Mathe Engines: Large-displacement gas engines for boat, airplane and cars. |
| Novarossi: Manufacturers of plane, marine, and car model hobby microengines. Italy. |
| Novarossi: Design, development and manufacturing of micro engines for cars and airplanes. Italy. |
| O.S. Engines: Line includes airplane, car and buggy, helicopter and boat engines. |
| RCV Engines: Develop and design engines for aircraft models, motorcycles and small airplane. UK. |
| S.Y. Machinery: Manufactures models, engines and other hobby products. |
| Webra: Manufacturer of engines and electronics components. Austria. |
| Wren Turbines: Designers and manufacturers of small gas turbines and turbo shaft engines for use in model aircraft. UK. |
| Yien Bong Hardware Industrial: Manufacturer of racing engine for cars. Taiwan. |
Classical
