Founded in 1972, Security Door Controls (SDC) develops, manufactures and markets mechanical door locks and exit devices, access controls, electronic locking devices and security systems worldwide.

A respected force in the innovation of products within the electronic security and architectural openings industries, SDC holds scores of patents and trademarks. SDC’s locking systems can be found in virtually any application where access control of a door is required, including industrial, commercial and retail facilities, technology centers, high-rise buildings, nuclear power plants, laboratories, museums, art galleries, libraries, schools and universities, airports and transportation facilities, government centers and military bases.

Assembly of SDC products takes place in the United States.

• Access control
• Door closers
• Electric strikes and bolts
• Electrified locksets
• Hinges, pivots and coordinators
• Key switches and push buttons
• Magnetic locks
• Power supplies and transformers
• Retrofit motor and solenoid kits
• Sensors, RX switches, timers and intercoms
• Touchless
• Electric strikes
• Electrified locksets
• Standalone locks
• Exit devices (electrified and mechanical)
• Power controls
• Egress devices
• Key and exit switches
• Power transfer devices, and more