About Nationwide Security Corporation

Nationwide Security Corporation has been providing integrated security systems since 1983. Since then, we have evolved from a family owned business to one of the largest, most respected security solution providers in the nation.

Our mission is to deliver innovative security systems that combine state-of-the-art technology with 24/7 monitoring and client support.

We are Licensed & Insured in the state of Connecticut, License # 105668. We lead security system efforts in the state of Connecticut and across the East Coast. Nationwide Security Corporation is U.L. certified for Mercantile and Proprietary Installations.

Nationwide Security Corporation offers multiple security services for any type of property, business or residence. Our primary industries are residential, business/corporate, government, utilities, school/higher education, and Museum, Library and Cultural institutions.

All of our security system designs begin with individualized consultation so we have the best understanding of your unique security needs. Our integrated digital security systems provide industry-leading intrusion and fire detection, innovative access control systems, local and remote video surveillance, and Personal Emergency Response Systems (PERS). Together with our affiliate Engineered Door Systems (EDS) we provide a complete access control solution from supply and installation of Doors & Hardware to supply and installation of fully integrated security systems.

All systems are monitored 24 hours a day, 365 days a year, in our U.L. certified central command station. That’s a shorthand way of saying our monitoring facility demonstrates the ability to provide Standards-complying service. In fact, or Central Command Station is an award-winning monitoring site that provides a custom response to any emergency signal.

Our valued clients entrust not only their property, but the lives and well-being of their family and employees with Nationwide Security Corporation.

Please contact our Sales Department at (203) 785-0300. If you are looking for a security solution, even if you have an existing system, we can help.

Learn More

Mission & Values

Our mission is to deliver innovative security systems that combine state-of-the-art technology with 24/7 monitoring and client support. Read More »

Our Team

Learn more about Mike Viscusco, Al Brigante, Jim Ulatoski, Rick Mut, Donna M. Nobile and Andrea Viscuso from Nationwide Security. Read More »

Client Testimonials

Read what our client have to say! Read More »


Nationwide Security is licensed as a Certified Electrical limited Contractor and registered as a Certified Major Contractor in Connecticut. Read More »

Affiliations & Certifications

View the list of Nationwide Security Corporation’s affiliations and certifications. Read More »

Corporate Responsibility

Nationwide Security is proud to be an equal opportunity employer, and sponsors a number of community sports teams and charitable organizations. Read More »

Employment Opportunities

Available employment positions at Nationwide Security Corporation in North Haven, Connecticut. Read More »