Griffin Wheel Company designs and manufactures a range of curved plate railroad wheels. The company was founded in 1877 by Thomas Griffin. It operates laboratories and machine and maintenance shops. The company also maintains a shipping dock and warehouse. Griffin Wheel Company s plants are fully equipped with cutting, boring and wheel cleaning machines. In addition, its plants feature electric furnaces, scrap bins and grinding machines. The company conducts magnetic particle tests to detect surface defects. It offers wheel inspection and shipping services. The company operates through customer service and research and development departments. Griffin Wheel Company is a part of Amsted Industries Incorporated, which is a diversified manufacturer of industrial components and serves the railroad, vehicle, and construction and building markets.