John E. Green Company (JEG) is a national leader in the fabrication and installation of plumbing, HVAC, process piping, and fire protection systems. We also specialize in design build solutions and 24/7 emergency service.
JEG prides itself on being one of the country’s mechanical contractors with ISO 9001 & ISO 14001 certifications. We typically employ over 600 team members, as well as 500-900 skilled tradespeople. We work as a union contractor throughout the country and maintain offices in Michigan and Tennessee.
JEG is recognized by Engineering News Record as one of the largest specialty contractors in the United States. Learn more about what sets us apart here.
