Heavy and Civil Engineering Construction
1,837 active contract opportunities
1,837
Active Opportunities
1,648
Posted Last 7 Days
30 days
Avg Response Window
Top Industries
- Other Heavy and Civil Engineering Construction774
- Highway, Street, and Bridge Construction590
- Water and Sewer Line and Related Structures Construction312
- Power and Communication Line and Related Structures Construction92
- NAICS 237110 Water and Sewer Line and Related Structures Construction24
Set-Aside Distribution
- Small Business761
- 691
- No Set Aside109
- SDVOSB91
- Full & Open63
Top Locations
- VA229
- CA158
- WA137
- LA97
- CO88
About NAICS237
The North American Industry Classification System (NAICS) code 237 covers heavy and civil engineering construction. Federal agencies use NAICS codes to classify contracts by industry. Businesses should register their applicable NAICS codes in SAM.gov.
Related Industries
Z2LZ-Project: 528A7-25-502 Replace Trench Drains
VETERANS AFFAIRS, DEPARTMENT OF
ALBANY, NY
NAICS 237990
Posted Jul 20, 2026
Due Aug 24, 2026
SDVOSBStephenson Taylor Water Line Extension
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
SEATTLE, WA
NAICS 237110
Posted Jul 20, 2026
Due Aug 19, 2026
ISBEEY-2026 MARCOTT COULEE PIPELINE
INTERIOR, DEPARTMENT OF THE
BILLINGS, MT
NAICS 237110
Posted Jul 20, 2026
Due Aug 4, 2026
Small BusinessGuardrail Replacement, Hodges Village Dam, Oxford, MA
DEPT OF DEFENSE
CONCORD, MA
NAICS 237310
Posted Jul 20, 2026
Small BusinessPresolicitation Notice, Construct South Lot 3
DEPT OF DEFENSE
OFFUTT AFB, NE
NAICS 237310
Posted Jul 20, 2026
Due Aug 4, 2026
Small BusinessFort Snelling National Cemetery National Shrine Project 894-NSP25-002
VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 237990
Posted Jul 20, 2026
Due Aug 20, 2026
SDVOSB2022 Return Capacity Improvements, CA
Small Business Administration (SBA)
CA
NAICS 237110
Posted Jul 20, 2026
Due Aug 5, 2026
Disadvantaged Business Enterprise (DBE) – Dept of TransportationRepair Airfield Stormwater Drainage Phase II
DEPT OF DEFENSE
DOBBINS AFB, GA
NAICS 237110
Posted Jul 20, 2026
Due Aug 11, 2026
Small BusinessSolar Construction on New Building
AGRICULTURE, DEPARTMENT OF
BELTSVILLE, MD
NAICS 237130
Posted Jul 20, 2026
Due Aug 7, 2026
Small BusinessFY26 Multiple Location BEQ Parking Lot Repairs
DEPT OF DEFENSE
NORFOLK, VA
NAICS 237310
Posted Jul 20, 2026
Due Aug 19, 2026
HUBZoneEast Access Road Repairs, Union Village Dam, Thetford, VT
DEPT OF DEFENSE
CONCORD, MA
NAICS 237310
Posted Jul 20, 2026
Due Aug 18, 2026
Small BusinessWastewater Collection System Improvement Project
Small Business Administration (SBA)
CA
NAICS 237110
Posted Jul 20, 2026
Due Aug 6, 2026
Small Business (SB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Disadvantaged Veteran Business Enterprise (DVBE) – State of California, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)NCMT Berth 24-11 Structural Repair
Small Business Administration (SBA)
CA
NAICS 237310
Posted Jul 20, 2026
Due Aug 6, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Disadvantaged Veteran Business Enterprise (DVBE) – State of California, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)Frick Unit Lateral N0 Pipeline Phase 3
Small Business Administration (SBA)
CA
NAICS 237110
Posted Jul 20, 2026
Due Aug 18, 2026
SBA-certified HUBZone Small Business (HUBZone SB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)Kohrs Manning Diversion Improvement Project
Small Business Administration (SBA)
MT
NAICS 237110
Posted Jul 20, 2026
Due Aug 5, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), Veteran-Owned Small Business (VOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB), Alaskan Native Corporation (ANC) or Indian Tribe (IT), Native Hawaiian Organization (NHO), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Disadvantaged Veteran Business Enterprise (DVBE) – State of California, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)Gardiner Diversion Improvements Project
Small Business Administration (SBA)
MT
NAICS 237110
Posted Jul 20, 2026
Due Aug 5, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), Veteran-Owned Small Business (VOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB), Alaskan Native Corporation (ANC) or Indian Tribe (IT), Native Hawaiian Organization (NHO), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Disadvantaged Veteran Business Enterprise (DVBE) – State of California, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)Solicitation N4008426Q7502DBB UFC Repair Aboveground Fuel Storage, ABAB, Palawan, Philippines
DEPT OF DEFENSE
FPO, AP
NAICS 237120
Posted Jul 20, 2026
Due Aug 18, 2026
Y-CAPE COD NS - NELLIE ROAD COMBINED SEPTIC SYSTEM
INTERIOR, DEPARTMENT OF THE
BOSTON, MA
NAICS 237110
Posted Jul 18, 2026
Y-GLBA REHAB WATERLINE
INTERIOR, DEPARTMENT OF THE
ANCHORAGE, AK
NAICS 237110
Posted Jul 17, 2026
Due Aug 6, 2026
Small BusinessFY27 Maintenance Dredging, South Atlantic Division Regional Harbor Dredge Contract
DEPT OF DEFENSE
WILMINGTON, NC
NAICS 237990
Posted Jul 17, 2026
Due Aug 18, 2026