GMSC Security Employee Directory

Q: How many employees does GMSC Security have currently?

GMSC Security has approximately 501 employees.

Security and InvestigationsUnited States501-1000 Employees

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.

Find GMSC Security employees' phone numbers or email addresses

GMSC Security Global Highlights

North America
104

United States Of America
104

Africa
2

South Africa
1
Lesotho
1

GMSC Security's Leadership

A. F.
Vice President
Mobile Phone
Email
K. M.
Divisional Vice President - Operations
Mobile Phone
Email
O. R.
Director Of Field Services
Mobile Phone
Email
R. D.
Fire, Life And Safety Director
Mobile Phone
Email
A. A.
Director Of Technology
Mobile Phone
Email
A. B.
Director
Mobile Phone
Email
P. B.
Branch Manager
Mobile Phone
Email
A. H.
Security Compliance Manager
Mobile Phone
Email

Contact profiles from GMSC Security

Name

Title

Contact Info

Location

Last Update

L. B.
Compliance Manager
Mobile Phone
Email
United StatesNew York
Sep 29, 2025
A. A.
Compliance Manager
Mobile Phone
Email
United StatesNew York
Dec 15, 2024
G. D.
Compliance Manager
Mobile Phone
Email
United StatesNew Jersey
Dec 15, 2024
T. O.
Public Safety/Building Evacuation Supervisor
Mobile Phone
Email
United StatesNew York
Apr 25, 2025
R. O.
Physical Security Engineer
Mobile Phone
Email
United StatesNew York
Jul 17, 2025
B. M.
Physical Security Analyst - Software Service
Mobile Phone
Email
United StatesNew York
Sep 29, 2025
D. D.
Security Operations Supervisor
Mobile Phone
Email
United StatesNew York
Aug 28, 2024
N. W.
Supervisor
Mobile Phone
Email
United StatesNew York
Jun 04, 2025
N. R.
Field Supervisor
Mobile Phone
Email
United StatesNew York
Nov 11, 2025
D. G.
Security Guard
Mobile Phone
Email
United StatesNew York
Apr 24, 2025

Frequently Asked Questions

What is GMSC Security known for?

GMSC Security operates in the Security and Investigations industry. The company's main headquarters is located in 11 Penn Plaza, New York, US; you can contact the main corporate office by phone at

+1-312-527-****

. Explore GMSC Security's company overview page for more information.

What is GMSC Security's most common email format?

GMSC Security employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more GMSC Security email formats with LeadIQ.

How many employees does GMSC Security have currently?

GMSC Security has approximately 501 employees as of October 2025. These team members are located across 2 continents, including North AmericaAfrica.

Who are GMSC Security's key employees and leadership?

As of October 2025, GMSC Security's key employees include:

Vice President: A. F.
Divisional Vice President - Operations: K. M.
Director Of Field Services: O. R.
Fire, Life And Safety Director: R. D.
Director Of Technology: A. A.

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