John E Green

The John E. Green Company was founded in 1909 and is a fourth generation family-owned and operated mechanical contractor. JEG is consistently rated as one of the largest, most diversified, full-service union mechanical, fire protection, and service contractors operating in the United States.

Specializing in the Automotive, Commercial, Education, Government, Food Service, Healthcare, Industrial, Municipal, Pharmaceutical, and Resort/Entertainment industries, the JEG team is equipped to handle any project of any size.We offer dedicated, professional, award-winning service in Piping Systems, Plumbing, Fire Protection, HVAC, Fabrication, and Design Build.

At John E. Green, we work directly with Owners and Construction Managers on projects, in addition to as a subcontractor to General Contractors on major projects. We have been a prime contractor on projects as large as $50,000,000 and are equipped to handle projects of any size.

As national leaders in the fabrication and installation of plumbing, HVAC, process piping, and fire protection systems, we have the necessary experience to ensure a job well done.JEG also specializes in design build solutions and 24/7 emergency service throughout the country. Learn more about each of our individual services below, or contact us online or call us at (313) 868-2400 for more detailed information.

At John E. Green Company, Pipe Installation is one of our core focuses. JEG installs Process Piping throughout the lower 48 states of the United States. Our Process Piping Group also installs a variety of unique systems, including paint systems, E-Coat/Phosphate, and robotics. Since 1909, John E Green has designed and built hundreds of piping systems across the United States.

John E. Green Company and our team of union plumbers are capable of handling every aspect of our clients' plumbing needs. JEG performs Plumbing primarily in Michigan and Tennessee, but we are also licensed in Alabama, North Carolina, and Ohio. Our team of professional plumbers are equipped to handle any plumbing project and need.

Having a suitable fire suppression system is crucial to ensure the safety and longevity of any structure. At JEG, our licensed team of professionals is equipped to handle any fire suppression system project for a variety of industries. JEG performs Fire Suppression primarily in Michigan, but is also licensed in North Carolina, South Carolina, Tennessee, Texas, Wisconsin and Ohio.