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Insights

High-Profile Clientele GMSC Security services a significant portfolio of Fortune 100 companies and major commercial real estate properties in New York and Chicago, indicating strong enterprise client relationships that can be expanded with tailored security solutions.

Comprehensive Security Offerings With services encompassing fire/life safety, systems integration, 24/7 monitoring, and consulting, GMSC presents an integrated security solutions package, offering cross-sell opportunities across multiple service lines to existing clients.

Recent Partnership Expansion The recent collaboration with GCJ Management and coordination with emergency services demonstrate GMSC's ability to engage in large-scale, integrated security projects, opening avenues for new contracts within event management and public safety sectors.

Growth Potential in Premium Market Serving high-profile commercial spaces and Fortune 100 clients positions GMSC to target premium market segments seeking reliable, boutique-style security services, allowing for premium pricing and upselling advanced security technologies.

Technology Integration Utilizing advanced tech stacks such as PHP, Lua, and Bootstrap, GMSC leverages modern IT solutions which can be promoted as a differentiator in delivering innovative, scalable security systems to enterprise clients.

GMSC Security Tech Stack

GMSC Security uses 8 technology products and services including W3 Total Cache, jsDelivr, Slick, and more. Explore GMSC Security's tech stack below.

  • W3 Total Cache
    Caching
  • jsDelivr
    Content Delivery Network
  • Slick
    Javascript Libraries
  • Gentoo
    Operating Systems
  • PHP
    Programming Languages
  • Lua
    Programming Languages
  • Bootstrap
    UI Frameworks
  • Contact Form 7
    Web Platform Extensions

GMSC Security's Email Address Formats

GMSC Security uses at least 1 format(s):
GMSC Security Email FormatsExamplePercentage
FLast@gmscsecurity.comJDoe@gmscsecurity.com
50%
FLast@gmscsecurity.comJDoe@gmscsecurity.com
50%

Frequently Asked Questions

Where is GMSC Security's headquarters located?

Minus sign iconPlus sign iconGMSC Security's main headquarters is located at 11 Penn Plaza New York, New York United States. The company has employees across 2 continents, including North AmericaAfrica.

What is GMSC Security's phone number?

Minus sign iconPlus sign icon You can contact GMSC Security's main corporate office by phone at
+1-312-527-****
. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is GMSC Security's official website and social media links?

Minus sign iconPlus sign iconGMSC Security's official website is gmscsecurity.com and has social profiles on LinkedIn.

What is GMSC Security's NAICS code?

Minus sign iconPlus sign iconGMSC Security's NAICS code is 5616 - Investigation and Security Services.

How many employees does GMSC Security have currently?

Minus sign iconPlus sign iconAs of February 2026, GMSC Security has approximately 110 employees across 2 continents, including North AmericaAfrica. Key team members include Vice President: A. F.Divisional Vice President - Operations: K. M.Director Of Field Services: O. R.. Explore GMSC Security's employee directory with LeadIQ.

What industry does GMSC Security belong to?

Minus sign iconPlus sign iconGMSC Security operates in the Security and Investigations industry.

What technology does GMSC Security use?

Minus sign iconPlus sign iconGMSC Security's tech stack includes W3 Total CachejsDelivrSlickGentooPHPLuaBootstrapContact Form 7.

What is GMSC Security's email format?

Minus sign iconPlus sign iconGMSC Security's email format typically follows the pattern of FLast@gmscsecurity.com. Find more GMSC Security email formats with LeadIQ.

GMSC Security

Security and InvestigationsNew York, United States51-200 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.

Section iconCompany Overview

Headquarters
11 Penn Plaza New York, New York United States
Phone number
+1-312-527-****
Website
gmscsecurity.com
NAICS Code
5616 - Investigation and Security Services
Employees
51-200

Section iconMedia & News

Section iconFunding & Financials

  • $10M$25M

    GMSC Security's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    GMSC Security's revenue is estimated to be in the range of $10M$25M

Company Leadership

  • Stylized image of a person
    A. F.
    Vice President
    Phone icon
    Mobile Phone
  • Stylized image of a person
    K. M.
    Divisional Vice President - Operations
    Phone icon
    Mobile Phone
  • Stylized image of a person
    O. R.
    Director Of Field Services
    Phone icon
    Mobile Phone
  • Stylized image of a person
    M. A.
    Account Director
    Phone icon
    Mobile Phone
  • Stylized image of a person
    R. D.
    Fire, Life And Safety Director
    Phone icon
    Mobile Phone

Employee Directory

  • Stylized image of a person
    A. A.
    Director Of Technology
    Phone icon
    Mobile Phone
  • Stylized image of a person
    A. B.
    Director
    Phone icon
    Mobile Phone
  • Stylized image of a person
    P. B.
    Branch Manager
    Phone icon
    Mobile Phone
  • Stylized image of a person
    A. H.
    Security Compliance Manager
    Phone icon
    Mobile Phone
  • Stylized image of a person
    T. S.
    Security Operations Manager
    Phone icon
    Mobile Phone

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