SDC Remembers...
On this day we remember the victims lost in one of our nation's most horrendous tragedies. We honor them, their families, first responders, civilian heroes, and all impacted by the events of 9/11. As Americans, we will never forget.
Electrify Your Exits
Discover the Power of SDC's LR100 Series
SDC Will Be Closed For Labor Day
Celebrating Labor Day
White Papers from the Door Control Experts
The Versatility of SDC UR Series Door Controllers
Mantraps, Airlocks, Shared Bath & Multi-Application Access Control
SDC Products Are Available on Comsense®
The Enduring Value of SDC's US-Made Products
Code Compliant Premium Hardware
This Fourth of July We Celebrate our Nation's Independence
We Will Be Closed Friday July 4th, 2025
Common Commercial Building and Vertical Market Solution Examples
Access Control Applications
SDC's Founder Day: Tuesday, June 10th
A Day to Celebrate!In 1972, SDC founder Art Geringer created the blueprint for the modern era of electrified access control door hardware and controllers. We proudly continue his commitment to innovation, skill and quality today.