Federal Contracts in NAICS 237990 (Other Heavy and Civil Engineering Construction)

4,918 total opportunities indexed 450 award notices 4,468 open / pre-award

What is NAICS 237990?

Heavy and civil-engineering construction not classified elsewhere — pipelines, dams, harbors, dredging, marine construction.

SBA small-business size standard: $45.0M average annual receipts

Top Awardees in NAICS 237990

Vendor	Awards	Total Value
MANSON CONSTRUCTION CO CAGE 0FCP9	7	$130.0M
GREAT LAKES DREDGE & DOCK CO, LLC CAGE 1BSU5	6	$117.2M
WEEKS MARINE, INC. CAGE 1RHV3	6	$286.6M
DEAN MARINE AND EXCAVATING, INC. CAGE 498B6	6	$210.3M
MORRISH-WALLACE CONSTRUCTION, INC. CAGE 5Y029	6	$212.0M
INLAND DREDGING COMPANY, L.L.C. CAGE 093F7	4	$49.4M
KING CO INC CAGE 0EJK0	4	$183.5M
MCMILLEN, INC. CAGE 41PM4	4	$84.9M
CURTIN MARITIME CORP CAGE 4ADU6	4	$36.5M
THE DUTRA GROUP CAGE 3GSX7	4	$60.0M
THREE OAKS CONSTRUCTION, INC CAGE 9PPC1	3	$21.1M
DOUBLE BRONZE STAR MARKETING AND CONSULTING, INC CAGE 85E49	3	$5.9M
COTTRELL CONTRACTING CORPORATION CAGE 091W6	3	$26.7M
MICHELS CONSTRUCTION, INC. CAGE 9C1R4	3	$106.8M
VIKING MARINE CONSTRUCTION LLC CAGE 90N74	3	$182.8M
HME CONSTRUCTION INC CAGE 1KNC1	3	$25.9M
NORFOLK DREDGING COMPANY CAGE 0E3M4	3	$76.6M
J. F. BRENNAN COMPANY, INC. CAGE 0EV95	3	$205.1M
MAGRUDER CONSTRUCTION CO INC CAGE 0JHC5	2	$111.6M
AGM MARINE CONTRACTORS INC CAGE 0JVC7	2	$3.3M

Award Trends (2024-2026)

Year	Awards	Total Obligated
2026	322	$8.1B
2025	128	$6.1B

Top Buying Agencies

Agency	Solicitations
DEPT OF DEFENSE	3,717
INTERIOR, DEPARTMENT OF THE	556
AGRICULTURE, DEPARTMENT OF	293
VETERANS AFFAIRS, DEPARTMENT OF	172
HOMELAND SECURITY, DEPARTMENT OF	113
COMMERCE, DEPARTMENT OF	25
INTERNATIONAL BOUNDARY AND WATER COMMISSION: US-MEXICO	17
STATE, DEPARTMENT OF	11
TRANSPORTATION, DEPARTMENT OF	7
INTERNATIONAL BOUNDARY AND WATER COMMISSION: U	3

Set-Aside Breakdown

Set-Aside Type	Opportunities
Open / Full and Open	2,290
SBA	1,808
NONE	476
SDVOSBC	204
WOSB	41
8A	40
HZC	26
ISBEE	10
WOSBSS	8
8AN	8
SDVOSBS	6
SBP	1

Active Opportunities

Title	Agency	Deadline
Y--NOAA/USCG Cutter STORIS Homeporting Project	COMMERCE, DEPARTMENT OF	2026-10-16T16:00:00+00:00
Sandbridge Beach Erosion and Hurricane Protection Beach Renourishment Project	DEPT OF DEFENSE	2026-10-02T18:00:00+00:00
Webbers Falls Excitation System Replacements	DEPT OF DEFENSE	2026-10-23T15:00:00+00:00
Coastwide Beach and Dune Ecosystem Restoration	DEPT OF DEFENSE	2026-10-30T17:00:00+00:00
Gulf Intracoastal Waterway High Island to Causeway with Channel to Port Bolivar Maintenance Dredging	DEPT OF DEFENSE	2026-10-29T15:00:00+00:00
Chief Joseph Dam (CJD) Intake Concrete Stairs Repair	DEPT OF DEFENSE	2026-10-13T19:00:00+00:00
Sources Sought: The Dalles Dam Gate Repair Pit Fire Protection and Life Safety Upgrades	DEPT OF DEFENSE	2026-10-15T22:00:00+00:00
Amendment A00001; RFQ 70Z03026CCLEV0117; USCG LORAIN EZ-SUPPLY FLOORING RENEWAL, USCG STA LORAIN, 110 ALABAMA AVE, LORAI	HOMELAND SECURITY, DEPARTMENT OF	2026-09-29T16:00:00+00:00
Z--Folsom Warehouse Bridge Crane Replacement	INTERIOR, DEPARTMENT OF THE	2026-10-09T00:00:00+00:00
Design and Construction of Levee Access Manholes for Fairfax-Jersey Creek Levee Unit (Kansas City, Kansas)	DEPT OF DEFENSE	2026-10-26T15:00:00+00:00

How to Bid Federal Contracts in NAICS 237990

USACE Districts (especially South Atlantic + Pacific Ocean Divisions), USCG, NOAA, and NAVFAC are the top buyers. Most projects exceed small-business size thresholds and run as either full-and-open or HUBZone set-asides. Bonding + dredging-equipment ownership are gating factors for marine work.

« Browse all NAICS codes

Explore more federal-contracting data

Browse opportunities by NAICS code · set-aside category · state & jurisdiction · buying agency