For over 30 years GMSC has been securing high profile buildings and offices across New York and Chicago. We are a large volume company that provides a boutique service. Our services include: > Fire/life safety > Systems integration > 24/7 monitoring > Security consulting We secure over 25 million square feet of commercial, retail and Fortune 100 companies, including IPG, Amazon, Facebook, Bloomberg, VNO, Manhattan Mall, Merchandise Mart, Rego Park Center and many more.
Looking for a particular GMSC Security employee's phone or email?
GMSC Security Questions
The GMSC Security annual revenue was $49.9 million in 2026.
54 people are employed at GMSC Security.
GMSC Security is based in New York, New York.
The NAICS codes for GMSC Security are [611310, 6113, 61131, 611, 61].
The SIC codes for GMSC Security are [8221, 82, 822].
Top GMSC Security Employees
-
Lawrence Bobrow
Compliance Manager at GMSC Security
New York, NY, US24 -
Justin Velez
Compliance Manager at GMSC Security
Nutley, NJ, US23 -
Chuck Lombardi
Director of Security Operations at GMSC Security
Chicago, IL, US25+ -
Ozzie Martin
AVP of Operations at GMSC Security
Breinigsville, PA, US11 -
Nicholas Mejía
Supervisor , Security and Technology - Moynihan Train Hall at GMSC Security
New York, United States12 -
Adonis Herrera
Security Compliance Manager at GMSC Security
New York, United States2 -
Otis Roberts
Director of Field Services at GMSC Security
New York, NY, US11 -
Howard Brown
Security Guard at GMSC Security
New York, NY, US45+
