Safety & Security for
Suffolk & Nassau Counties

SL Security Pros is a family owned and operated business staffed by industry experts and proudly serving all of Long Island.

The Safety & Security Experts

SINCE 1936
Join Our 1,500+ Secured Customers Today

Always Ready When You Need Us

For the fastest, most reliable locksmith and security services on Long Island, choose SL Security Pros.
Our licensed professionals are available 24/7 to serve all your security needs.

How Can We Help You?
People Protected
Buildings Secured
Locks Changed

Solutions-Oriented Security Services

When you call us, it’s because you have a problem that needs to be solved. That’s why we approach every call with a whatever-it-takes attitude. Whether you need a Medeco High-Security Lock, Safe, Burglar Alarm, Surveillance Camera System, or a Fully Integrated Access Control System, you can always expect diligent, solutions-oriented service from SL Security Pros. We service Commercial, School, Institution, Hospital, Residential and Automotive Clients with a very professional, dedicated staff.