Insights

Strong Industry Presence Environmental Systems, Inc. has a well-established position in the HVAC and mechanical contracting sector within New England, with a track record of over 10,000 commercial projects. This indicates a stable client base and potential for expanding ongoing service and maintenance contracts.

Recognition as a Top Employer Consistent recognition as a Top Places to Work in Massachusetts and on the Top Workplaces USA list suggests a positive company culture and high employee engagement. This environment can facilitate repeat business and internal advocacy for new solutions or upgrades.

Revenue and Market Size With a revenue range of 50 to 100 million dollars and a sizable workforce, ESI operates in a substantial market segment, presenting opportunities to introduce advanced HVAC technologies, energy efficiency solutions, or smart building systems to existing clients.

Focus on Specialized Projects ESI's extensive experience with laboratories, clean rooms, and MRI facilities points to expertise in highly technical environments. This specialization opens avenues for tailored solutions involving automation, monitoring systems, or sustainable building practices tailored to such facilities.

Regional Expansion Potential With offices in Massachusetts, New Hampshire, and Rhode Island, there is scope to explore regional expansion or leveraging geographic proximity for targeted sales of innovative HVAC equipment, IoT-enabled systems, or facility management tools to healthcare, education, and commercial clients across New England.

Similar companies to Environmental Systems, Inc.

Environmental Systems, Inc. Tech Stack

Environmental Systems, Inc. uses 8 technology products and services including WP Rocket, Shopify, jQuery Migrate, and more. Explore Environmental Systems, Inc.'s tech stack below.

WP Rocket
Caching
Shopify
E-commerce
jQuery Migrate
Javascript Libraries
Floating UI
Javascript Libraries
SAP Maintenance, Repair, and Overhaul
Operations
Elementor
Page Builders
Yoast SEO
Search Engines
YouTube
Video Players

Media & News

Environmental Systems, Inc.'s Email Address Formats

Environmental Systems, Inc. uses at least 2 format(s):

Environmental Systems, Inc. Email Formats	Example	Percentage
FLast@envsys.net	JDoe@envsys.net	90%
Last@envsys.net	Doe@envsys.net	6%
LFirst@envsys.net	DJohn@envsys.net	4%
FLast@esihvac.com	JDoe@esihvac.com	99%
LFirst@esihvac.com	DJohn@esihvac.com	1%

Frequently Asked Questions

Where is Environmental Systems, Inc.'s headquarters located?

Environmental Systems, Inc.'s main headquarters is located at 130 Dever Drive Taunton, Massachusetts 02780 United States. The company has employees across 2 continents, including North AmericaAfrica.

What is Environmental Systems, Inc.'s phone number?

You can contact Environmental Systems, Inc.'s main corporate office by phone at

+1-508-226-****

. 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 Environmental Systems, Inc.'s stock symbol?

Environmental Systems, Inc. is a publicly traded company; the company's stock symbol is TSTA.

What is Environmental Systems, Inc.'s official website and social media links?

Environmental Systems, Inc.'s official website is esihvac.com and has social profiles on LinkedIn.

What is Environmental Systems, Inc.'s NAICS code?

Environmental Systems, Inc.'s NAICS code is 3332 - Industrial Machinery Manufacturing.

How many employees does Environmental Systems, Inc. have currently?

As of April 2026, Environmental Systems, Inc. has approximately 135 employees across 2 continents, including North AmericaAfrica. Key team members include Cfo: J. B.Chief Financial Officer: J. T.Vice President Of Service Operations: M. M.. Explore Environmental Systems, Inc.'s employee directory with LeadIQ.

What industry does Environmental Systems, Inc. belong to?

Environmental Systems, Inc. operates in the Industrial Machinery Manufacturing industry.

What technology does Environmental Systems, Inc. use?

Environmental Systems, Inc.'s tech stack includes WP RocketShopifyjQuery MigrateFloating UISAP Maintenance, Repair, and OverhaulElementorYoast SEOYouTube.

What is Environmental Systems, Inc.'s email format?

Environmental Systems, Inc.'s email format typically follows the pattern of FLast@envsys.net. Find more Environmental Systems, Inc. email formats with LeadIQ.

When was Environmental Systems, Inc. founded?

Environmental Systems, Inc. was founded in 1974.

Environmental Systems, Inc.

Q: How many employees does Environmental Systems, Inc. have currently?

Environmental Systems, Inc. has approximately 135 employees.

Q: What technology does Environmental Systems, Inc. use?

Environmental Systems, Inc.'s tech stack includes WP Rocket, Priority Hints, Shopify, Google Fonts API, WordPress.

Q: What is Environmental Systems, Inc.'s NAICS code?

Environmental Systems, Inc.'s NAICS code is 3332 (Industrial Machinery Manufacturing).

Industrial Machinery ManufacturingMassachusetts, United States51-200 Employees

Environmental Systems, Inc. (ESI) is a premier mechanical contractor & engineering firm headquartered in Taunton, Massachusetts, with offices in Nashua, New Hampshire, and Warwick, Rhode Island. ESI offers full mechanical services from pre-construction through service and maintenance on all types of HVAC systems throughout New England. In our 50 years in the industry, we have completed design and installation of HVAC systems for more than 10,000 commercial projects, more than 2.5 million square feet of laboratories and clean rooms, and more than 70 MRI facilities, plus projects for many of the colleges and universities in our region.