RANK
519
SCORE
48.28
GRADE
D
TYPE
HEADQUARTERS
LINKS
JOHN E. GREEN CO.
JEGC
Based in Highland Park, Michigan, John E. Green Company is one of the largest and oldest mechanical contractors in the United States, having served the industry since 1909. The firm specializes in the design, fabrication, and installation of complex plumbing, HVAC, and fire suppression systems for the automotive, industrial, healthcare, and municipal sectors.