Security Door Controls Blog

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.

Proven Delayed Egress Innovation...

See why our proven Delayed Egress solutions have led the industry since 1995 with the most choices and customization available. Also, learn why SDC has been the premier manufacturer of popular electrified access control hardware like bolt locks, strikes, EMLocks® and egress devices - all Designed, Engineered and Built in America since 1972, while most of our larger competitors manufacture overseas.

This post is the third in a series to address concerns expressed on our social media platforms regarding Delayed Egress Systems that indicated misconceptions about their proper application in Security, and Fire and Life Safety applications. Here’s some information and examples of common applications of Delayed Egress Systems.

This post is the second in a series to address concerns expressed on our social media platforms regarding Delayed Egress Systems that indicated misconceptions about their proper application in Security, and Fire and Life Safety applications.

Recently, some readers weighed in with comments on our social media platforms regarding Delayed Egress Systems that indicated misconceptions about their proper application in Security, and Fire and Life Safety applications. This post is the first in a series to address concerns expressed and to provide clarity and resources regarding Delayed Egress systems.

Put Your Profits In The Black

Designed, Engineered and Built in America - Booth #21109

ISC West attendees visited us to see why our proven Delayed Egress solutions have led the industry since 1995 with the most choices and customization available. Also, they learned why SDC has been the premier manufacturer of popular electrified access control hardware like bolt locks, strikes, EMLocks® and egress devices - all Designed, Engineered and Built in America since 1972, while most of our larger competitors manufacture overseas. Come and see for yourself before the show ends!

Proven Delayed Egress Innovation...

See why our proven Delayed Egress solutions have led the industry since 1995 with the most choices and customization available. Also, learn why SDC has been the premier manufacturer of popular electrified access control hardware like bolt locks, strikes, EMLocks® and egress devices - all Designed, Engineered and Built in America since 1972, while most of our larger competitors manufacture overseas.