National’s Expertise

Since its founding in 1982, National Security Fire Alarm Systems has risen from being a small alarm installation and monitoring company to being one of the largest providers of security equipment and services in New England. From New England headquarters in East Providence, we maintain accounts throughout much of the East Coast. Protecting America, Protecting You. Call us today at (401) 438-8888 or click here to contact us.


National Security Fire Alarm Systems, is one of the largest residential security firms in New England. Ensuring Security of your family, home and property.Learn More

Commecial & Industrial

Control systems and solutions to government facilities, historical properties, commercial enterprises, and industry.Learn More


One of the largest security and alarm companies in New England, trusted by federal, state, and local government facilities throughout the region. Learn More
Rhode Island is one of the first areas of our country to be settled after the Mayflower landed in 1620. The state must provide care for documents, buildings, and many other irreplaceable treasures dating back to these early days. Learn More >
Our “Ocean State” location gives us a wealth of knowledge about the needs of waterfront buildings, yachts, sailing vessels, and other marine uses. The unique experience of our security professionals can save you thousands of dollars in selection of the proper systems. Learn More >
Records management companies protect their customer’s important documents. We provide systems, surveillance and expertise to help them do it. Fire, flood and theft are not the only risk to important records. Records can be damaged by humidity as well as temperature fluctuations. Learn More >