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For five generations and over 120 years, Marran has been serving Long Island. We know that when it comes to your security, you’re looking for the best, so we employ only the most experienced technicians, and install only the most secure and cutting edge equipment.

We believe that everyone deserves to feel safe, so we provide our services at prices that are comfortably below our competitors', which we’re able to do by shrinking our profit margins in a notoriously high-profit industry.

All of our technicians work exclusively for us. We’ll never send a subcontractor to your home or business

Marran 1891

Marran was founded in 1891 as an oil company, when William R. Marran began delivering kerosene for cooking and space heaters by horse-drawn carriage in Patchogue.

Over the years, Marran became committed to being a full home service company, providing everything from air conditioning, oil, and heating equipment service to solar solutions.  

Marran Oil Early Years
Marran Security

In 1982, Jack Marran, William R. Marran’s great grandson, started working for Marran, and started an alarm division.

Since then, we’ve gone from installing simple alarm systems that communicate through phone lines to providing radio, and then cellular, alarm monitoring.

Now, we install the most advanced, secure, and easy to use security systems available.

In 1995, Jack Marran was promoted to President, and he still runs the company today.

Today, we also provide smart home automation, which integrates everything in your home through your alarm system and mobile phone, making Marran your one stop shop for everything in your home.

Learn about our other services at

Jack Marran