Insights

Established expertise GSI Systems Inc. has over 40 years of experience delivering HVAC and building automation services, demonstrating reliability and industry expertise that can reassure potential clients of their capabilities.

Comprehensive Service Offering The company provides a full range of HVAC solutions including emergency response, preventative maintenance, equipment retrofits, and system integration, enabling cross-selling opportunities across various building management needs.

Local Presence Based in New York with a dedicated team, GSI Systems' local footprint allows for quick response times and personalized service, appealing to businesses seeking reliable, on-site facilities support.

Potential for Growth With revenue ranging from 1 million to 10 million and specialized services for critical facilities like data centers, GSI Systems is positioned for expansion into high-demand sectors such as data infrastructure and high-rise office buildings.

Technology Stack Utilizing advanced software and systems such as Building Automation, BMS, and lighting control, GSI demonstrates technological sophistication that appeals to tech-forward organizations looking for modern, integrated building solutions.

GSI SYSTEMS, INC. Tech Stack

GSI SYSTEMS, INC. uses 8 technology products and services including Google Hosted Libraries, Microsoft 365, Cufon, and more. Explore GSI SYSTEMS, INC.'s tech stack below.

  • Google Hosted Libraries
    Content Delivery Network
  • Microsoft 365
    Email
  • Cufon
    Font Scripts
  • jQuery
    Javascript Libraries
  • Lua
    Programming Languages
  • Nginx
    Web Servers
  • OpenResty
    Web Servers
  • Fourthwall
    Website Builders

Media & News

GSI SYSTEMS, INC.'s Email Address Formats

GSI SYSTEMS, INC. uses at least 1 format(s):
GSI SYSTEMS, INC. Email FormatsExamplePercentage
FLast@gsisystemsinc.comJDoe@gsisystemsinc.com
50%
FLast@gsisystemsinc.comJDoe@gsisystemsinc.com
50%

Frequently Asked Questions

Where is GSI SYSTEMS, INC.'s headquarters located?

Minus sign iconPlus sign icon
GSI SYSTEMS, INC.'s main headquarters is located at 250 WEST 26TH STREET, 2ND FLOOR NEW YORK, New York 10001 US. The company has employees across 1 continents, including North America.

What is GSI SYSTEMS, INC.'s official website and social media links?

Minus sign iconPlus sign icon
GSI SYSTEMS, INC.'s official website is gsisystemsinc.com and has social profiles on LinkedIn.

What is GSI SYSTEMS, INC.'s SIC code NAICS code?

Minus sign iconPlus sign icon
GSI SYSTEMS, INC.'s SIC code is 1711 - Plumbing, Heating and Air-Conditioning NAICS code is 5612 - Facilities Support Services.

How many employees does GSI SYSTEMS, INC. have currently?

Minus sign iconPlus sign icon
As of July 2025, GSI SYSTEMS, INC. has approximately 11 employees across 1 continents, including North America. Key team members include Chief Estimator: T. F.Service Manager: J. H.Manager: R. P.. Explore GSI SYSTEMS, INC.'s employee directory with LeadIQ.

What industry does GSI SYSTEMS, INC. belong to?

Minus sign iconPlus sign icon
GSI SYSTEMS, INC. operates in the Facilities Services industry.

What technology does GSI SYSTEMS, INC. use?

Minus sign iconPlus sign icon
GSI SYSTEMS, INC.'s tech stack includes Google Hosted LibrariesMicrosoft 365CufonjQueryLuaNginxOpenRestyFourthwall.

What is GSI SYSTEMS, INC.'s email format?

Minus sign iconPlus sign icon
GSI SYSTEMS, INC.'s email format typically follows the pattern of FLast@gsisystemsinc.com. Find more GSI SYSTEMS, INC. email formats with LeadIQ.

When was GSI SYSTEMS, INC. founded?

Minus sign iconPlus sign icon
GSI SYSTEMS, INC. was founded in 1974.

GSI SYSTEMS, INC.

Facilities ServicesNew York, United States11-50 Employees

GSI Systems Inc. 
250 West 26th St. N.Y N.Y 10001 
(212) 924-9595




For over 40 years GSI Systems Inc.'s experienced team of professionals has successfully delivered thousands of projects on schedule and within budget. Our HVAC technicians are among the best the industry has to offer and are capable of handling every type of emergency call, 365 days a year, 24 hours a day.
 
From Data Centers, Office High Rise projects or Preventative Maintenance contracts, GSI Systems, Inc. can meet all of your corporation’s needs. Our services include:
 
 
·   	Proactive & Preventative Maintenance
·   	8760 (24x7x365) Emergency Service
·   	Equipment Retrofits & Replacements
·   	HVAC Installations
·   	System Integration – Building Automation / BMS / Lighting
 
 
We would welcome an opportunity to meet with you to further introduce our organization and discuss all of your HVAC needs. GSI Systems Inc. is fully insured, bondable and we would be pleased to provide financial information and references upon request. Please visit our website at www.gsisystemsinc.com for additional information.  We look forward to meeting with you at your earliest convenience.


Servicing our clients since 1974

Section iconCompany Overview

Headquarters
250 WEST 26TH STREET, 2ND FLOOR NEW YORK, New York 10001 US
SIC Code
1711 - Plumbing, Heating and Air-Conditioning
NAICS Code
5612 - Facilities Support Services
Founded
1974
Employees
11-50

Section iconMedia & News

Section iconFunding & Financials

  • $1M$10M

    GSI SYSTEMS, INC.'s revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    GSI SYSTEMS, INC.'s revenue is estimated to be in the range of $1M$10M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.