Security Door Controls Blog

Discover the enduring value of SDC's US-made access control products, highlighting our commitment to quality, innovation, and domestic manufacturing.

SDC provides code-compliant access control solutions across diverse applications, ensuring security, fire safety, and ADA compliance, while enhancing operational efficiency and meeting legal obligations.

Save time and money on multi-door projects with SDC's Access & Egress Control System Design Services, ensuring seamless integration and optimal performance with pre-built system wire diagrams.

SDC received Exhibitor Loyalty Award at ISC West 2025. Since 1972, SDC's products have been made in America while most of our larger competitors build overseas.

Discover SDC's latest access control solutions, including motorized latch retraction locksets and ADA-compliant door operators, at the IML Security Expo in Salt Lake City.

Discover the latest in failsafe security with SDC EMLocks®—easy to install, ANSI grade 1 compliant, and built for long-lasting reliability. Learn more on our blog today!

Come visit us at ISC West 2025, booth # 21109! Since 1972, SDC's products have been made in America while most of our larger competitors build overseas.

Since 1972 SDC products have been Designed, Engineered and Built in America. Visit Booth#21109 to checkout some of SDC's popular products.

We’re building more components in-house to diminish supply chain issues, increase quality control and reduce lead times.

We’re building more components in-house to diminish supply chain issues, increase quality control and reduce lead times.