About Us

Since 1972, SDC has been dedicated to designing and manufacturing innovative quality Access Control Hardware while providing the finest engineering services and customer support. SDC’s diverse product lines enable our sales engineers to provide the appropriate access control products and systems based on building safety code criteria and facility security needs.

SDC products and systems can be found in virtually any application where door access control is required: industrial, commercial and retail facilities, airports, aeronautics and space centers, nuclear power plants, laboratories, museums, universities, federal, state and local government centers, military bases and the most prestigious high-rise buildings dominating city skylines worldwide.

SALES & DISTRIBUTION: SDC sales are conducted through 50 sales offices to service SDC partners, consultants, architects, facility managers and security directors. SDC products are channeled through security products distributors, systems integrators, contract and wholesale door hardware distributors.

Services include Access System Consultation and Engineering. Product lines include Standalone & PC Managed Keypad & Card Access Controls, Standalone & PC Managed Electronic Locksets, Electric Strikes, Magnetic Locks, Shear Locks, Delayed Egress Locks, Mechanical & Electrified Mortise & Cylindrical Locks, Mechanical & Electrified Exit Devices, Electric Bolt Locks, Access Control Power Supplies, System Logic Controllers and more.

OEM NEW PRODUCT DESIGN & PRIVATE LABELING: SDC’s is a respected resource for Product Design and Private Label services for major manufacturers and integrators seeking broader product market share or special product needs.

AWARD WINNING INNOVATIVE DESIGN: SDC has received nearly twenty Security Industry Association (SIA) awards for innovative product development and services. Additionally, the US Patent and Trademark Office has awarded SDC scores of patents.

Business size

101-500 employees

Commercial presence