SDC Security

SECURITY DOOR CONTROLS manufactures electrified access control hardware worldwide. Since 1972 SDC products have been designed, engineered and built in America.

[SDC Security @SDCsecurity]

Award-Winning Access Control in Long Term Care
https://t.co/Ux0d7JBNgz

[SDC Security @SDCsecurity]

Closed to Observe Memorial Day 2026 - In the memory and honor of so many, SDC will be closed on Monday, 5/25 and open again on Tuesday, 5/30.
https://t.co/HarqQ7IKQD

[SDC Security @SDCsecurity]

May the Force Be With You: The Industry Standard in EMLocks® - Discover why SDC's EMLocks are the industry standard for electromagnetic locks, offering reliability, versatility, and long-term value for access control solutions.
https://t.co/9TEZLymsO1

[SDC Security @SDCsecurity]

Motorized #ELR = quieter, cooler & more reliable

[SDC Security @SDCsecurity]

The Proven Leaders in Electric Latch Retraction - ELR for Every Opening
https://t.co/itW4cU0VMl

[SDC Security @SDCsecurity]

High-Traffic ADA Compliance Starts at the Door
https://t.co/EsAPCSwkHe

[SDC Security @SDCsecurity]

High traffic + ADA compliance = smarter door control. SDC’s EntryControl™ AUTO Series provides low-energy, convenient swing door operation for any point of entry—without slowing people down. #DoorAutomation #AccessControl #ADACompliance #AutomaticDoor

[SDC Security @SDCsecurity]

See SDC at ISC West 2026 Las Vegas - Booth#20109 - Since 1972 SDC products have been Designed, Engineered and Built in America. Visit the booth to checkout some of SDC's popular products.
https://t.co/heHPwN7CYl

[SDC Security @SDCsecurity]

SDC’s LR100 Series ELR Kits Are the Top Choice for Access Control in the U.S.
https://t.co/wZ4ZvXBukn

[SDC Security @SDCsecurity]

Merry Christmas from SDC - From the SDC family to yours, we wish you a Merry Christmas and a New Year full of success and prosperity. Our office will be closed December 25th - 26th and January 1st.
https://t.co/UO64KTbJ4s

[SDC Security @SDCsecurity]

Discover SDC's explosion proof access control solutions designed to prevent sparks in hazardous environments, ensuring unmatched safety and reliability. Learn more about SDC's explosion proof collection of products.
https://t.co/p4Q20QWKp6

[SDC Security @SDCsecurity]

Happy Thanksgiving from SDC - In celebration SDC will be closed Thursday 11/27 and Friday 11/28. Be safe, healthy, and enjoy!
https://t.co/u67N3VZS1Y

[SDC Security @SDCsecurity]

Discover how SDC's shipQUICK® program reduces downtime and accelerates project completion with reduced lead times for security installations. Stay efficient and meet tight schedules effortlessly.
https://t.co/3Ox7fGmvkC

[SDC Security @SDCsecurity]

Ron Bandur In Memoriam
https://t.co/r43tQTJHBu

[SDC Security @SDCsecurity]

SDC thanks our veterans for their service to our nation!
https://t.co/msc6Pwnq4R

[SDC Security @SDCsecurity]

Self-Contained Access Control - Discover how SDC EntryCheck® keypads simplify and enhance security for up to 500 users with self-contained, easy-to-install digital access control.
https://t.co/Vkqbv4zonc

[SDC Security @SDCsecurity]

ATTEND IML Las Vegas EXPO – See SDC’s 7600 Motorized ELR Mortise Locks and SDC’s AUTO Low Energy Swing Door Operators.
https://t.co/hPQsigR7gg

[SDC Security @SDCsecurity]

DoorSnap - Access Control Door Retrofits Made Easy - Download the free SDC app with DoorSnap. SDC will recommend a cost-effective solution with product links to retrofit your opening for access control locking hardware. 
https://t.co/463EWabdCU

[SDC Security @SDCsecurity]

New Black Finish for PT-3 Loops! - Maintain the architectural integrity of your new or retrofit door access control project with PT series surface mounted power transfer loops in optional 335 black.
https://t.co/tjeqWjFRQV

[SDC Security @SDCsecurity]

Join Security Door Controls (SDC) at PDK Chicago, October 16th!
https://t.co/dOxLgpzWiE