General Info

John E. Green, founded in 1909, is a mechanical contracting firm. Its services include constructability review, system selection, project management, scheduling, cost analysis, installation, startup, commissioning and repair. The company provides design and installation of refrigeration, air conditioning, fire suppression, and heating, ventilation and air conditioning systems. Founded in Highland Park, Mich., it offers services for a variety of facilities that include hospitals, educational institutions, research laboratories, water treatment plants and commercial buildings. The company also provides preventative maintenance and repair services 24 hours a day, seven days a week. John E. Green is ISO 9001:2000- and ISO 14001:1996-certified and maintains an office in Lansing, Mich.