S and L Tool Inc, 11833 Brookfield St, Livonia, MI 48150, US

Established in 1952, Delta Research Corporation is one of the leading prototype transmission, engineering and power train facilities in the world. Based in Livonia, Mich., the company offers a number of services, including prototype transmissions, shaft and assemblies, precision machining, precision gears, hybrid prototype power trains, short-run production and hybrid electric boutique. Delta Research Corporation is an ISO 9001 and AS9100 registered firm. The firm conducts inspection and testing of its products, including capability maturity model (CMM) inspection, gear inspection, roll testing, material inspection (electron microscope) and complete manual testing.