Getting to Know SDC 

Since 1972, SDC has manufactured popular electrified access control hardware like Bolt Locks, EMLocks® and Strikes in America while most of our larger competitors manufacture overseas. We’re known as the door control opening experts with more than 40 patents, 20+ active trademark brands and decades of product design firsts.

SDC’s locking systems can be found in virtually any application where access control of a door is required. We’re particularly adept at new or retrofit applications of 1 – 10 doors, where 80% of the security door and hardware market exists. We provide savings and profits to our partners through:

• Lower installation costs
• Fewer callbacks, increased longevity
• High-touch service from a family-run enterprise

There are numerous advantages to choosing our American-made products for your access control and security needs. Not only do these devices offer superior quality and reliability, but they also support the American economy and job market. Additionally, they comply with higher industry standards and provide a wide range of options to suit your specific requirements.

The Lock Behind the System

With a robust toolbox of over 35,000 access and egress control components, SDC products form turnkey solutions to address almost any door opening imagined. 94% of all our products comply with the Buy American Act. By opting for SDC products made in the USA for over 50 years, you can enjoy enhanced security and peace of mind, knowing that you have chosen a reliable and trustworthy solution.

There are many elements to consider in discussing doors and sustainability: door materials/construction, manufacturing process, thresholds, weather stripping, gasketing, sealing, glass and glazing, trim and accessories. When considering an electrified controlled access and egress door, energy efficiency becomes a prime consideration, too.

The July, 2024 issue of Religious Products News includes SDC's efficiency tips for designing or retrofitting electronic door access control in worship facilities. These practical tips should increase energy efficiency and sustainability in access control door design or retrofitting.

Motorized ELR For Access Control

Not only does SDC’s S4000 series of electrified industrial exit devices satisfy market demand for a cost-effective exit device with ELR, the S4000 also comes standard with request-to-exit (REX) monitoring, enabling access control compatibility. With a host of additional features and options, S4000 exit devices make application as easy as Install - Power - Done.

Discover the advantages of motorized electric latch retraction in industrial exit devices, including cost-effectiveness and enhanced security. Explore the features of the SDC S4000 exit device and how it can optimize your facility's safety measures.

SDC’s article from the July, 2024 issue of Locksmith Ledger highlights the fact that electromagnetic locks are virtually problem-free and appropriate for interior doors, perimeter exit doors and entrances that require failsafe emergency release capability.

Build Part Numbers and Schedules with Ease

Designed, Engineered, and Built in America 

Since 1972, SDC has manufactured popular electrified access control hardware like Bolt Locks, EMLocks® and Strikes in America while most of our larger competitors manufacture overseas. We’re known as the door control opening experts with more than 40 patents, 20+ active trademark brands and decades of product design firsts.

SDC’s locking systems can be found in virtually any application where access control of a door is required. We’re particularly adept at new or retrofit applications of 1 – 10 doors, where 80% of the security door and hardware market exists. 

There are numerous advantages to choosing our American-made products for your access control and security needs. Not only do these devices offer superior quality and reliability, but they also support the American economy and job market. Additionally, they comply with higher industry standards and provide a wide range of options to suit your specific requirements.

By opting for SDC products made in the USA for over 50 years, you can enjoy enhanced security and peace of mind, knowing that you have chosen a reliable and trustworthy solution.

Discover how the aging of the U.S. population represents Electronic Access Control (EAC) opportunities for door hardware and security professionals in SDC’s article from the April, 2024 issue of Door Security + Safety Magazine.

Explore the critical role that classroom door security plays in ensuring the safety of students and teachers in schools in SDC's article from the May, 2024 issue of Door Security + Safety Magazine.

Even though we premiered a new look show booth, it felt just like old times at the show.

Discover how electrified options can revolutionize access control systems, enhancing security, architectural aesthetics, and code compliance.