Founded in 1909, the John E. Green Company (JEG) has established itself as a premier mechanical and fire suppression contractor in the United States. Headquartered in Highland Park, Michigan, JEG is a family-owned business led by President & CEO Michael J. Green. Over its 115-year history, the company has transformed from a small plumbing and heating business into one of the largest full-service union contractors in the nation, specializing in mechanical, plumbing, fire suppression, process piping, and fabrication services.
JEG prides itself on its extensive industry expertise, proudly servicing diverse sectors including automotive, commercial, educational, government, healthcare, and laboratory industries. The company prioritizes safety and quality, maintaining a zero-tolerance injury policy and striving for excellence in project management. Their dedicated safety team and adherence to ISO standards reflect their commitment to protecting their workforce while delivering high-quality service.
Innovation is at the core of JEG’s operations. The company embraces technological advancements to continually improve project delivery methods. Supported by a skilled workforce of over 1,000 employees, including leadership from the fifth generation of the Green family, the company's dedication to training ensures that they remain competitive and responsive to industry changes.
Recognized as one of the Top 600 Specialty Contractors by Engineering News-Record and one of the Top Private 200 by Crain’s Detroit Business, John E. Green Company stands out due to its legacy, comprehensive service offerings, and commitment to customer satisfaction and safety. With 24/7 emergency support and a stable history of excellence, JEG continues to adapt and thrive, ensuring a sustainable future in the mechanical contracting industry.