NAICS 238190: Vendors that win government contracts in this category are primarily engaged in building foundation and structure trades work (except poured concrete, structural steel, precast concrete, framing, masonry, glass, glazing, roofing, and siding). The work performed may include new work, additions, alterations, maintenance, and repairs.


  • Curtain Wall, Metal, Installation
  • Decorative Steel And Wrought Iron Work Installation
  • Fire Escape Installation
  • Forms For Poured Concrete, Erecting, And Dismantling
  • Ornamental Metal Work Installation
  • Welding, On Site, Contractors

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One Sec...
RFI FOR MAIN BUILDING STABLIZATION Last updated 23 hours ago / Department of the Interior
Sources Sought
Due 11/8/17

This is a Request for Information (RFI) only, it does not constitute a solicitation or a promise to issue a solicitation. This RFI does not commit the Government to contract for any supply or service. Columbia Environmental Research Center is not seeking proposals at this time. Responders are advise... read more