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About SDC

SECURITY DOOR CONTROLS develops, manufactures and markets mechanical door locks and exit devices, access controls, electronic locking devices and security systems worldwide. Arthur V. Geringer, D.A.H.C., with commitment of his personal funds, founded the company in 1972. Assembly of SDC products takes place in the United States and is available worldwide.

SDC has earned twelve SIA New Product Achievement and Security Industry Finest Awards since 1997. In addition, SDC has received numerous SIA New Product Showcase certificates of recognition for Commitment to Innovation and Excellence in New Product Development.