Insights

Established Industry Presence With a history dating back over a century and recognized as one of the largest specialty contractors by Engineering News Record, John E. Green Company demonstrates a strong reputation and extensive experience in mechanical contracting and fire suppression, positioning it well for upselling advanced systems and modernization projects.

Large Project Scope Serving a broad regional market with a revenue range of 100 to 250 million dollars and over 200 employees, the company has the capacity to undertake large-scale industrial and institutional projects, creating opportunities for premium service offerings and integrated mechanical solutions.

Technological Engagement Utilizing a modern tech stack including Microsoft 365, New Relic, and other digital tools indicates a commitment to innovation, suggesting potential for collaboration on projects requiring advanced technological integration or smart building systems.

Growth Potential Given its longstanding industry presence and continuous pursuit of process improvements through innovation and technology, there are opportunities to partner in expanding sustainable or energy-efficient mechanical and fire suppression systems aligned with market trends.

Market Opportunities The company’s national footprint and diversified experience across industrial, institutional, and commercial sectors present numerous avenues for developing relationships with clients seeking reliable, high-quality mechanical and fire safety solutions across multiple states.

John E. Green Company Tech Stack

John E. Green Company uses 8 technology products and services including Microsoft Clarity, Section.io, Module Federation, and more. Explore John E. Green Company's tech stack below.

  • Microsoft Clarity
    Analytics
  • Section.io
    Content Delivery Network
  • Module Federation
    Development
  • Shopify
    E-commerce
  • Microsoft 365
    Email
  • New Relic
    Real User Monitoring
  • Adobe Fonts
    Web Fonts
  • Apache
    Web Servers

Media & News

John E. Green Company's Email Address Formats

John E. Green Company uses at least 1 format(s):
John E. Green Company Email FormatsExamplePercentage
FirstLast@johnegreen.comJohnDoe@johnegreen.com
77%
FirLast@johnegreen.comJohDoe@johnegreen.com
13%
First.Last@johnegreen.comJohn.Doe@johnegreen.com
5%
FirstL@johnegreen.comJohnD@johnegreen.com
5%

Frequently Asked Questions

Where is John E. Green Company's headquarters located?

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John E. Green Company's main headquarters is located at 220 Victor Avenue Highland Park, Michigan 48203 United States. The company has employees across 4 continents, including North AmericaEuropeAsia.

What is John E. Green Company's phone number?

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You can contact John E. Green Company's main corporate office by phone at . 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 John E. Green Company's official website and social media links?

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John E. Green Company's official website is johnegreen.com and has social profiles on LinkedIn.

How much revenue does John E. Green Company generate?

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As of March 2026, John E. Green Company's annual revenue is estimated to be $234M.

What is John E. Green Company's SIC code NAICS code?

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John E. Green Company's SIC code is 1711 - Plumbing, Heating and Air-Conditioning NAICS code is 23 - Construction.

How many employees does John E. Green Company have currently?

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As of March 2026, John E. Green Company has approximately 321 employees across 4 continents, including North AmericaEuropeAsia. Key team members include Chief Executive Officer: A. N.Chief Executive Officer: B. G.Ceo/Owner: J. G.. Explore John E. Green Company's employee directory with LeadIQ.

What industry does John E. Green Company belong to?

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John E. Green Company operates in the Construction industry.

What technology does John E. Green Company use?

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John E. Green Company's tech stack includes Microsoft ClaritySection.ioModule FederationShopifyMicrosoft 365New RelicAdobe FontsApache.

What is John E. Green Company's email format?

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John E. Green Company's email format typically follows the pattern of FirstLast@johnegreen.com. Find more John E. Green Company email formats with LeadIQ.

When was John E. Green Company founded?

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John E. Green Company was founded in 1909.

John E. Green Company

ConstructionMichigan, United States201-500 Employees

In 1909, John E. Green founded a plumbing and heating business with $20 in cash in Highland Park, Michigan.  John E. Green's sons built upon what their father started and rapidly expanded the business in the industrial and institutional fields, laying the groundwork for what the company is today.

John E. Green Company (JEG) is a national leader in the mechanical contracting & fire suppression industry. We continually strive to improve all our project delivery processes through innovation, technology, and adhering to our Core Values of Safety, Quality, Integrity and Service. Over the years, JEG has gained knowledge installing all types of mechanical systems that has created an experience level second to none. JEG prides itself on being recognized by Engineering News Record as one of the largest specialty contractors in the United States.

Section iconCompany Overview

Headquarters
220 Victor Avenue Highland Park, Michigan 48203 United States
Phone number
SIC Code
1711 - Plumbing, Heating and Air-Conditioning
NAICS Code
23 - Construction
Founded
1909
Employees
201-500

Section iconMedia & News

Section iconFunding & Financials

  • $100M$250M

    John E. Green Company's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    John E. Green Company's revenue is estimated to be in the range of $100M$250M

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