Security Door Controls

SDC specializes in the design and manufacture of premium grade access hardware products. As an established leader in the industry, SDC is the largest independently owned manufacturer of access hardware in the U.S.A. The SDC Product Line includes: Electric Lever Locksets, Delayed Egress Locks, Access Controls, Power Supplies, Electric Strikes, Electric Deadbolts, Electromagnetic Locks, Exit Bars and Key/Push Switches.