Federal Contracting by NAICS Code · Construction
NAICS 237990: Other Heavy and Civil Engineering Construction
Heavy and civil engineering construction not classified elsewhere — including dams, dredging, marine construction, and other heavy-civil works. Used for federal Corps of Engineers civil-works projects, port construction, and similar specialised infrastructure.
📊 Based on 258 real federal solicitations tracked under this code
Sector
Construction
Typical award value
$2M - $250M+ per award
Set-aside activity
Yes
Federal agencies that buy under NAICS 237990
These buyers award other heavy and civil engineering construction work under this code most often. Set up alerts on WinAContract to catch their solicitations early, then draft your response in GovCon.
Set-asides used under NAICS 237990
Filtering opportunities by NAICS 237990 and your certification surfaces the bids where large primes are excluded. See our set-aside program guides for how each one works.
Common questions about NAICS 237990
Which federal agencies buy under NAICS 237990?
The agencies that most frequently post other heavy and civil engineering construction solicitations under NAICS 237990 include US Army Corps of Engineers, Bureau of Reclamation, US Coast Guard, Department of Energy, Department of the Interior. Tracking these buyers on WinAContract and drafting responses in GovCon is the fastest way to build a pipeline under this code.
Is NAICS 237990 eligible for small-business set-asides?
Yes. Solicitations under NAICS 237990 commonly use Small Business, 8(a), HUBZone, SDVOSB. If your firm holds a matching socioeconomic certification, you can compete on set-aside opportunities where large businesses are excluded — typically a far less crowded field.
What is the typical contract value for NAICS 237990?
Federal awards under NAICS 237990 typically range $2M - $250M+ per award. Actual values vary widely by agency, scope, and contract vehicle — for example, individual IDIQ task orders versus standalone definitive contracts.
What NAICS codes are related to 237990?
Closely related codes include 237310 (237310 · Highway, Street, and Bridge Construction), 236220 (236220 · Commercial and Institutional Building Construction), 237110 (237110 · Heavy and Civil Engineering Construction). Registering in SAM.gov under every code that fits your capabilities widens the set of opportunities you'll match.
Related NAICS codes
Bidding on a NAICS 237990 opportunity?
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