Federal NAICS Codes

NAICS 237990: Other Heavy and Civil Engineering Construction

Explore obligations, trends, recent awards, and incumbent contractors for NAICS 237990.

NAICS 237990 federal market metrics

Total obligations
$144.7B
Total awards
44,244 awards
Active obligations
$32.9B
Size standard
$45,000,000 receipts

What this NAICS covers

NAICS 237990 covers specialized heavy and civil engineering construction work not classified elsewhere, focusing on field construction, complex earthwork, heavy structural installations, and integrated site operations for infrastructure projects.

Federal opportunities under 237990 typically involve executing discrete heavy-civil tasks or bundled specialty construction scopes, providing field execution, heavy equipment operation, subcontractor coordination, safety oversight, environmental controls, and turnover of constructed infrastructure elements.

FY2025 snapshot

Obligations
$9.5B
Awards
1,058
Average award
$9M
Change from FY2024
-5%

Recent awards

Search contractors

$76,168

BUENA ENVIRONMENTAL LLC

Farm Production and Conservation Business Center

PIID
12FPC326P0055
PSC
Y1QA - CONSTRUCTION OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE)

$31,145,450

C & C CONTRACTORS LLC

Department of Veterans Affairs

PIID
36C78626C0020
PSC
Y1AZ - CONSTRUCTION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS

$48,950

FOUNTAIN OF WEALTH LLC

US Fish and Wildlife Service

PIID
140FC326P0016
PSC
Z2LB - REPAIR OR ALTERATION OF HIGHWAYS/ROADS/STREETS/BRIDGES/RAILWAYS

$65,500

RF CONSTRUCTION LLC

Bureau of Land Management

PIID
140L3626P0044
PSC
Z2KA - REPAIR OR ALTERATION OF DAMS

$491,332

LEJAS CORPORATION

Farm Production and Conservation Business Center

PIID
12FPC326C0007
PSC
Y1QA - CONSTRUCTION OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE)

$99,064

Guardian DB Services,LLC

US Fish and Wildlife Service

PIID
140FC126P0050
PSC
Z2NE - REPAIR OR ALTERATION OF WATER SUPPLY FACILITIES

$120,441

FOCUSED ASSET MANAGEMENT LLC

Farm Production and Conservation Business Center

PIID
12FPC326C0006
PSC
Y1QA - CONSTRUCTION OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE)

FAQ

What work fits NAICS 237990?
  • Dredging, channel maintenance, and sediment relocation with heavy marine equipment, disposal planning, and turbidity control measures.
  • Construction of bulkheads, seawalls, revetments, and shoreline stabilization with concrete, armor stone, and marine piling and corrosion protection.
  • Levee, floodwall, and stormwater conveyance construction including large earthworks, embankment compaction, and installation of drainage control structures.
  • Major site preparation and heavy earthmoving for nonbuilding infrastructure such as dams, reservoir works, and large utility corridors requiring heavy-haul logistics.
When is NAICS 237990 a weak fit?
  • Vertical building construction: projects focused on multi-story occupied buildings where architectural envelope, interior finishes, and MEP fit-out drive scope rather than heavy civil earthworks or marine structures.
  • Pipeline and transmission line linear utility construction: long-distance buried pipeline or power transmission that emphasizes welding, leak testing, and right-of-way restoration but lacks heavy marine or large earth-retention components.
  • Design-only engineering services: deliverables limited to plans, specifications, or remediation studies without execution of heavy equipment earthwork, material placement, or construction performance obligations.
What solicitation language points to NAICS 237990?
  • Performance requirements listing heavy earthmoving metrics, allowable compaction values, embankment lift thickness, or staged dewatering and erosion control.
  • Deliverables require marine construction methods such as cofferdam installation, pile driving records, or dredging production reports and disposal plans.
  • Evaluation criteria emphasize past performance on large civil infrastructure projects, heavy equipment fleet availability, and integrated temporary works planning.

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