Granite State Plumbing & Heating LLC Employee Directory

ConstructionNew Hampshire, United States51-200 Employees

The main cores of our business are commercial mechanical contracting, commercial plumbing and HVACR service, and preventative maintenance. We build and maintain high quality systems that are long-lived and highly-efficient providing an excellent return-on-investment and low energy costs.

Our Mission

To provide the best value HVACR and mechanical systems installation and service, principally in the mid-market commercial industrial and institutional sectors, while caring for our customers, employees and the environment.

Our Philosophy

We believe that by providing our customers with quality, efficient and maintainable systems for their capital investments and then providing excellent service and preventative maintenance, we are doing our best for our customers and the environment. This approach has resulted in excellent referral business from past and existing customers.

History

Granite State Plumbing & Heating, LLC was founded by Gerry Perron and incorporated in April of 1983 in the State of New Hampshire. From 1990 through 2005, GSPH was purchased by a series of increasing larger companies and is currently a wholly owned subsidiary of Comfort Systems USA which is headquartered in Houston, TX. CSUSA is publicly traded on the NYSE under the symbol FIX. 

Comfort Systems USA
Being part of a much larger entity leverages our talents and resources so we can provide a much broader range of technical expertise and service than otherwise possible. It provides for greater financial strength and purchasing leverage by centralizing certain functions – information technology, marketing, fleet purchasing agreements, etc. We are able to partner with sister companies to provide support for widespread geographical projects and programs.

Find Granite State Plumbing & Heating LLC employees' phone numbers or email addresses

Granite State Plumbing & Heating LLC Global Highlights

Location
Employees

North America
89

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  • United States Of America
    89

Europe
1

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  • United Kingdom Of Great Britain And Northern Ireland
    1

Granite State Plumbing & Heating LLC's Leadership

  • Stylized image of a person
    G. P.
    President
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  • Stylized image of a person
    S. B.
    President
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  • Stylized image of a person
    S. B.
    President
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  • Stylized image of a person
    P. M.
    Small Business Owner
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  • Stylized image of a person
    R. H.
    Owner
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  • Stylized image of a person
    J. S.
    Service Chief Estimator
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  • Stylized image of a person
    J. C. H.
    Vice President
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  • Stylized image of a person
    T. G.
    Safety Director
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Granite State Plumbing & Heating LLC Employee Metrics

100%
50%
0%
2026
2025
  • Civil Engineering & Construction
  • Sales
  • Arts & Design
  • Business
  • Business Development
  • Other

Contact profiles from Granite State Plumbing & Heating LLC

Name
Title
Contact Info
Location
Last Update
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    P. M.
    Small Business Owner
    Phone icon
    United StatesMassachusetts
    Jan 27, 2026
  • Stylized image of a person
    G. P.
    President
    Phone icon
    Jul 09, 2024
  • Stylized image of a person
    R. H.
    Owner
    Phone icon
    Oct 22, 2024
  • Stylized image of a person
    S. B.
    President
    Phone icon
    Oct 17, 2024
  • Stylized image of a person
    S. B.
    President
    Phone icon
    Oct 21, 2024
  • Stylized image of a person
    J. S.
    Service Chief Estimator
    Phone icon
    United StatesNew Hampshire
    Jan 28, 2026
  • Stylized image of a person
    J. C. H.
    Vice President
    Phone icon
    United StatesMassachusetts
    Oct 10, 2025
  • Stylized image of a person
    T. G.
    Safety Director
    Phone icon
    United StatesNew Hampshire
    Oct 18, 2025
  • Stylized image of a person
    M. B.
    Controller
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    United StatesNew Hampshire
    Oct 24, 2025
  • Stylized image of a person
    D. G.
    Enviromental, Health And Safety Manager/Director
    Phone icon
    United StatesNew Hampshire
    Nov 11, 2025

Frequently Asked Questions

What is Granite State Plumbing & Heating LLC known for?

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Granite State Plumbing & Heating LLC was founded in 1983 operates in the Construction industry. The company's main headquarters is located in 17 Oil Mill Road Weare, New Hampshire 03281 United States; you can contact the main corporate office by phone at . Explore Granite State Plumbing & Heating LLC's company overview page for more information.

What is Granite State Plumbing & Heating LLC's most common email format?

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Granite State Plumbing & Heating LLC employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Granite State Plumbing & Heating LLC email formats with LeadIQ.

How many employees does Granite State Plumbing & Heating LLC have currently?

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Granite State Plumbing & Heating LLC has approximately 102 employees as of February 2026. These team members are located across 2 continents, including North AmericaEurope.

Who are Granite State Plumbing & Heating LLC's key employees and leadership?

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As of February 2026, Granite State Plumbing & Heating LLC's key employees include:

  • President: G. P.
  • President: S. B.
  • President: S. B.
  • Small Business Owner: P. M.
  • Owner: R. H.

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