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United Association of Plumbers and Steamfitters
Locals 005, 602, 486
The John C. Grimberg Company, Inc.:
  • Celebrating over 50 years as a general and mechanical contractor in the Washington, DC metropolitan area.
  • Second largest mechanical contractor in the Washington, DC area (per the Washington Business Journal Book of Lists).
  • A proven record with high profile clients and projects.
  • Management team to perform takeover projects for bonding agencies.
  • Projects include design build, construction and/or renovation of multi-story office, housing, laboratory and medical buildings; mechanical, HVAC and power plants; industrial complexes; education buildings; retail and food service space; churches and historical buildings; water and wastewater treatment plants; and task order IDIQ contracts.
  • Awards
  • Management capability to perform Indefinite Quantity (IDIQ) contacts (Grimberg has extensive IDIQ contract experience with the Navy, FBI, GSA, NIH, National Gallery of Art, DC Air National Guard, and Architect of the Capitol).
  • "AAA" Rated Contractor with the Navy.
  • Associations:
    • AGC: Associated General Contractors
    • MCA: Mechanical Contractors Associations
    • CFMA (Construction Financial Management Association)
    • Greater Washington Board of Trade
    • Washington Building Congress
    • Association of Energy Engineers
    • Local Union 602 (Washington, DC): Steamfitters
    • Local Union 005 (Washington, DC): Plumbers
    • Local Union 486 (Baltimore): Steamfitters and Plumbers
For Further Information:
      John C. Grimberg Company, Inc.
      3200 Tower Oaks Blvd., Suite 300
      Rockville, Maryland 20852-4216
      Ph.  301.881.5120
      Fax  301.881.4938
      Or send a message through our Online Message Center
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