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237 Heavy and Civil Engineering Construction

  1. 237110Water and Sewer Line and Related Structures Construction
  2. 237120Oil and Gas Pipeline and Related Structures Construction
  3. 237130Power and Communication Line and Related Structures Construction
  4. 237310Highway, Street, and Bridge Construction
  5. 237990Other Heavy and Civil Engineering Construction

All sectors

  1. 11Agriculture, Forestry, Fishing and Hunting
  2. 21Mining, Quarrying, and Oil and Gas Extraction
  3. 22Utilities
  4. 23Construction
  5. 31-33Manufacturing
  6. 42Wholesale Trade
  7. 44-45Retail Trade
  8. 48-49Transportation and Warehousing
  9. 51Information
  10. 52Finance and Insurance
  11. 53Real Estate and Rental and Leasing
  12. 54Professional, Scientific, and Technical Services
  13. 56Administrative and Support and Waste Management and Remediation Services
  14. 61Educational Services
  15. 62Health Care and Social Assistance
  16. 71Arts, Entertainment, and Recreation
  17. 72Accommodation and Food Services
  18. 81Other Services (except Public Administration)
  19. 92Public Administration

237110 Water and Sewer Line and Related Structures Construction: federal contract awards

Federal agencies obligated $1.2 billion on contracts coded 237110 from July 1, 2025 to June 30, 2026. They made 765 new awards with a median of $56,023. Small businesses received 50% of the money.

Contract obligations
$1.2 billionJul 2025 to Jun 2026
New awards
765signed in the window
Median new award
$56,023obligated to date
Small-business share
50%$622.8 million

Which federal offices buy 237110 work

The five awarding offices with the largest obligations under 237110, Jul 2025 to Jun 2026
Awarding officeDepartmentObligationsShare of 237110
National Park ServiceDOI$363.4 million29%
Bureau of ReclamationDOI$254.6 million21%
Department of the ArmyDOD$196.9 million16%
Department of the NavyDOD$127.1 million10%
Department of Veterans AffairsVA$98.1 million8%

Which companies received 237110 awards

The five recipients with the largest obligations under 237110, Jul 2025 to Jun 2026, as named in USAspending
RecipientObligationsShare of 237110
RECORD STEEL AND CONSTRUCTION, INC.$130.1 million11%
AMES FEDERAL CONTRACTING GROUP LLC$129.5 million10%
G.S.E. CONSTRUCTION COMPANY, INC.$119.2 million10%
FLATLAND ENERGY SERVICES LLC$75.5 million6%
PCL CONSTRUCTION INC$52.6 million4%

How the 237110 money was set aside

Share of obligations by the set-aside type recorded on each contract action. Orders under larger contract vehicles often record none.

Small business set-aside22%$273.2 million
Service-disabled veteran-owned6.7%$83.1 million
8(a)5.0%$61.5 million
HUBZone1.9%$23.3 million
Women-owned (WOSB, EDWOSB)<0.1%$1.1 million
Indian enterprise0.6%$7.6 million
No set-aside used55%$683.1 million
No set-aside type recorded8.4%$103.4 million

Open for bids on SAM.gov on September 29, 2026

The SAM.gov extract of September 29, 2026 listed 64 open notices coded 237110 whose response deadline had not passed: 26 presolicitations, 25 solicitations, 8 combined synopsis/solicitations, 5 sources sought notices.

  • Open notices64
  • Solicitations and combined synopses33
  • Sources sought and presolicitations31
  • Posted in the 30 days before the extract34
  • Naming a place of performance36%
  • Median days from posting to response deadline16

Set-asides on these notices: Total small business set-aside: 33; Set-aside not stated: 21; HUBZone set-aside: 7; SDVOSB set-aside: 2.

Posting agencies with the most open notices: DEPT OF THE ARMY (18), NATIONAL PARK SERVICE (18), DEPT OF THE AIR FORCE (9), BUREAU OF RECLAMATION (5), FOREST SERVICE (5).

Most common places of performance: Florida (7), Michigan (2), Pennsylvania (2), South Dakota (2), Virginia (2).

This is a snapshot. The live list is on SAM.gov Contract Opportunities, where you can filter by NAICS code.

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The daily digest emails you the notices posted on SAM.gov under 237110 and up to nine more codes, in the states you choose, each with its response deadline, set-aside and SAM.gov link, and the award figures on this page for context. $149 a year.

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Award figures: USAspending.gov, contract award types A to D (BPA calls, purchase orders, delivery orders, definitive contracts), action dates July 1, 2025 to June 30, 2026, retrieved September 29, 2026. Open notices: SAM.gov Contract Opportunities public extract of September 29, 2026. How each figure is defined.