Security Door Controls Blog

Check out our selected 1st Quarter featured products!

Since 1972, SDC has manufactured popular electrified access control hardware that are Designed, Engineered & Built in America.

Designed, engineered and built in America means SDC products are readily available with standard one week lead times for most products.

S5000 storefront exit devices meet the market need for a device that comes standard with motorized electric latch retraction for access control compatibility.

SDC's Les Neal retires after 42+ years in the door hardware/security/access control industry.

SDC supports local community college's job fair.

Shane Geringer, SDC CEO, wins office football pool.

Since 2012, when SDC launched QuietDuo™ we’ve been “quietly” leading in electric latch retraction (ELR) upgrades for access control.

We’re very pleased to announce the addition of Erik Mosher and Les Neal to the SDC sales team. These veterans bring valuable industry knowledge to SDC.

SDC offers new animated installation overview videos for our SK-L90 and EMLock® products!