Specmo Enterprises is an aftermarket auto supplier of dashboard instrumentation and Delphi-Delco radio systems for General Motors auto dealerships Specmo provides automotive electronic instrumentation repair service to automobile dealerships that participate in the AC Delco instrument cluster and radio pre-exchange service programs. It is one of the nation's oldest and largest service and exchange centers for GM electronic instrument clusters and Delphi-Delco radios. The company offers some limited services to private sector companies. It also provides metric conversion services for most any manufacturer or model of domestic or import vehicle. Specmo was founded in 1974 and is headquartered in Madison Heights, Mich.