Insights

Mid-market scale Target mid-market commercial, industrial, and institutional clients in need of reliable, energy-efficient HVACR and mechanical systems with strong total-cost-of-ownership benefits.

Energy efficiency Position as expertise partner for preventative maintenance and high-efficiency installations to reduce energy costs and extend system life for facility operators and building managers.

Strategic backing Leverage Comfort Systems USA affiliation for expanded capabilities, national project support, and purchasing leverage to win larger projects and compete with bigger distributors.

Digital modernization Engage prospects through integrated tech stack (OpenAI, Azure, Smartsheet, New Relic) to offer proactive maintenance analytics, remote monitoring, and streamlined service delivery.

Revenue opportunites Capitalize on a $25M–$50M revenue tier by pursuing recurring service contracts, preventative maintenance programs, and bundled modernization projects for existing customers and similar regional players.

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Granite State Plumbing & Heating LLC Tech Stack

Granite State Plumbing & Heating LLC uses 8 technology products and services including WordPress, Shopify, WooCommerce, and more. Explore Granite State Plumbing & Heating LLC's tech stack below.

WordPress
Content Management System
Shopify
E-commerce
WooCommerce
E-commerce
Mimecast Secure Email Gateway
Email Security
OpenAI
Generative Ai
Microsoft Azure
Platform As A Service
Smartsheet
Project Management
New Relic
Real User Monitoring

Granite State Plumbing & Heating LLC's Email Address Formats

Granite State Plumbing & Heating LLC uses at least 4 email formats:

Granite State Plumbing & Heating LLC Email Formats	Example	Percentage
FLast@gsphinc.com	JDoe@gsphinc.com	89%
First.Last@gsphinc.com	John.Doe@gsphinc.com	6%
LFirst@gsphinc.com	DJohn@gsphinc.com	3%
Last@gsphinc.com	Doe@gsphinc.com	2%

Frequently Asked Questions

What is Granite State Plumbing & Heating LLC's phone number?

You can contact Granite State Plumbing & Heating LLC's main corporate office by phone at

+1-603-529-****

. 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 Granite State Plumbing & Heating LLC's official website and social media links?

Granite State Plumbing & Heating LLC's official website is gsphinc.com and has social profiles on LinkedIn.

How much revenue does Granite State Plumbing & Heating LLC generate?

As of August 2026, Granite State Plumbing & Heating LLC's annual revenue is estimated to be $25M - $50M.

What is Granite State Plumbing & Heating LLC's NAICS code?

Granite State Plumbing & Heating LLC's NAICS code is 23 - Construction.

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

As of August 2026, Granite State Plumbing & Heating LLC has approximately 107 employees across 2 continents, including North America and Europe. Key team members include President: G. P., President: S. B. and President: S. B. Explore Granite State Plumbing & Heating LLC's employee directory with LeadIQ.

What industry does Granite State Plumbing & Heating LLC belong to?

Granite State Plumbing & Heating LLC operates in the Construction industry.

What technology does Granite State Plumbing & Heating LLC use?

Granite State Plumbing & Heating LLC's tech stack includes WordPress, Shopify, WooCommerce, Mimecast Secure Email Gateway, OpenAI, Microsoft Azure, Smartsheet and New Relic.

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

Granite State Plumbing & Heating LLC's email format typically follows the pattern of FLast@gsphinc.com. Find more Granite State Plumbing & Heating LLC email formats with LeadIQ.

When was Granite State Plumbing & Heating LLC founded?

Granite State Plumbing & Heating LLC was founded in 1983.

Granite State Plumbing & Heating LLC

Q: What technology does Granite State Plumbing & Heating LLC use?

Granite State Plumbing & Heating LLC's tech stack includes RSS, MySQL, Modernizr, Facebook, OpenAI.

Q: What is Granite State Plumbing & Heating LLC's NAICS code?

Granite State Plumbing & Heating LLC's NAICS code is 23 (Construction).

ConstructionNew Hampshire, United States51-200 Employees

Granite State Plumbing & Heating LLC operates in the construction sector with primary activities in commercial mechanical contracting, commercial plumbing, HVACR service, and preventative maintenance. The company designs, installs, and maintains systems that are intended to be long-lasting and energy-efficient, with the goal of reducing operating costs for customers. Its mid-market focus targets commercial, industrial, and institutional facilities that require reliable installations and ongoing service.

It is based in Weare, New Hampshire, and was founded in 1983 by Gerry Perron. It is a wholly owned subsidiary of Comfort Systems USA, a larger company headquartered in Houston, Texas, which is publicly traded on the NYSE under the symbol FIX.