Company Overview

Founded in 1909 and still privately owned and managed by the Green family

  • Corporate headquarters is located in Highland Park (Detroit), Michigan
  • Operation offices are located in Highland Park, Ann Arbor, Lansing, Petoskey, Saginaw, Michigan, Nashville, Tennessee, and Raleigh, North Carolina
  • Regularly employs an average of 175 permanent office employees
  • Field force of 600-1000 Pipe Fitters, Plumbers, Sprinkler Fitters, Sheet Metal Workers and Service Technicians
  • Fifteen year average of over 300 office/field personnel with John E. Green Company
  • $261 million total sales volume for year 2010.  Averaged over $238 million total sales volume for the last five years.
  • Financial strength yields excellent buying power resulting in competitive pricing

Consistently rated as one of the largest, most diversified, full-service union mechanical and fire suppression contractors operating in the United States

  • ISO 9001:2008 and ISO 14001:2004; “PP”, “R” Stamp certified; LEED accredited;
  • EPA Lead-Safe Certified
  • Service/Repair Division headquartered in Lansing, Michigan and available throughout the State of Michigan
  • Fabrication facilities and capabilities in our Highland Park, Saginaw, Nashville, Raleigh, and Lansing offices
  • Over $3 million in tooling and equipment
  • Bonding Capacity: $50 million+ Single / $250 million+ Aggregate

Industry Leading Safety and Wellness Department

  • Fulltime Safety Team committed to providing a safe and wellness work environment
  • Experience Modification Rate: .62  DART: 0.57  RIR: 0.86

Industry Leading Pre-construction department

  • Leader in Design Assist and Team Construct Projects
  • Leader in 3D design and BIM (Building Information Modeling)
  • Provides budgeting, Design and Engineering (PE Stamp), and Value Engineering alternatives
  • Provides recommendations for LEED Certification

Proven cost effective provider of complete HVAC, Plumbing, Process Piping, Waste and Water Treatment and Fire Suppression projects.  Contract delivery systems include lump sum, GMP and turn-key design/build/assist projects for the following:


  • Industrial and Automotive Facilities / Power Plants / Refineries
  • Healthcare Facilities
  • Laboratory, Research and Development Facilities
  • Educational Facilities – K-12 / University / Science and Technology Facilities
  • Pharmaceutical Facilities
  • Commercial Facilities – High-Rise Offices / Hotels / Casinos
  • Data Processing Facilities