NAICS 237990
Other Heavy and Civil Engineering Construction
Heavy civil construction not elsewhere classified, including utility infrastructure, site development, and specialized military facilities such as ranges and training areas.
Change log (4)
- Data refreshRe-verified SBA size standards and refreshed top-agency lists against the latest FPDS award activity.
- Structured dataAdded the internal linking mesh — each code now cross-links related PSCs, buying agencies, and contract vehicles.
- Structured dataAdded FAQPage, Dataset, and BreadcrumbList structured data to every code page.
- LaunchedPublished the NAICS directory covering SDVOSB-relevant codes across seven sectors.
| NAICS Code | 237990 |
| SBA Size Standard | $45M avg annual receipts |
| Sector | Construction |
| Common Set-Asides | SDVOSB, VOSB, 8(a), HUBZone |
| Top Buying Agencies | Army Corps of Engineers, NAVFAC, AFCEC |
Frequently Asked Questions
What is NAICS code 237990?
NAICS 237990 covers Other Heavy and Civil Engineering Construction. Heavy civil construction not elsewhere classified, including utility infrastructure, site development, and specialized military facilities such as ranges and training areas.
What is the SBA size standard for NAICS 237990?
The SBA size standard for NAICS 237990 (Other Heavy and Civil Engineering Construction) is $45M in average annual receipts. Businesses at or below this threshold qualify as small for federal contracting purposes.
Which agencies use NAICS 237990 for SDVOSB set-asides?
The top federal agencies awarding SDVOSB set-aside contracts under NAICS 237990 include Army Corps of Engineers, NAVFAC, AFCEC.
What set-aside types are common under NAICS 237990?
Common set-aside types used with NAICS 237990 include SDVOSB, VOSB, 8(a), HUBZone. SDVOSB set-asides are used when there is a reasonable expectation of receiving offers from at least two eligible SDVOSB concerns.
Related PSC Codes
Product/Service Codes commonly paired with NAICS 237990. The PSC describes what is being purchased, while NAICS 237990 sets the size standard.
SDVOSB Signals — NAICS 237990
Browse pre-RFP intelligence signals tracked under this NAICS code.
View signals for NAICS 237990→