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Specialty & Mechanical Contractor John E. Green Company

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 specializes 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.…