NAICS 23

Construction

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7,885

Active Opportunities

6,987

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Top Industries

  • Commercial and Institutional Building Construction2331
  • Plumbing, Heating, and Air-Conditioning Contractors1059
  • Other Heavy and Civil Engineering Construction875
  • Highway, Street, and Bridge Construction674
  • Electrical Contractors and Other Wiring Installation Contractors478

Set-Aside Distribution

  • 3013
  • Small Business1840
  • SDVOSB1074
  • Small Business Set Aside - Total839
  • No Set Aside420

Top Locations

  • VA1080
  • CA463
  • WA420
  • OH404
  • DC377

About NAICS23

The North American Industry Classification System (NAICS) code 23 covers construction. Federal agencies use NAICS codes to classify contracts by industry. Businesses should register their applicable NAICS codes in SAM.gov.

SAM.gov Registration →|Set-Aside Programs →

Related Industries

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NAICS 238220
Posted Sep 24, 2026
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DEPT OF DEFENSE
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NAICS 238910
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Small Business Set Aside - Total

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DEPT OF DEFENSE
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NAICS 238220
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NAICS 236220
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NAICS 237310
Posted Sep 24, 2026
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NAICS 238210
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Muscatine-Louisa County Drainage District No. 13 2024 Event PL84-99 Flood Repairs

DEPT OF DEFENSE
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NAICS 237990
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Z2DA-FY26 NRM 460-20-004 | Tuckpointing FY26 | Katelyn Fallon | NCO 4 Construction East (VA-26-00060656)

VETERANS AFFAIRS, DEPARTMENT OF
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Posted Sep 24, 2026
Due Oct 15, 2026
SDVOSB

Supply and replace well head cap and an approximately 18-inch vertical extension, Guilford CT

HOMELAND SECURITY, DEPARTMENT OF
BOSTON, MA
NAICS 238220
Posted Sep 24, 2026
No Set Aside

Palm Beach Harbor Maintenance Dredging, Entrance Channel and Settling Basins, Palm Beach County, Florida

DEPT OF DEFENSE
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NAICS 237990
Posted Sep 24, 2026

Market Survey: Design and Construction of Prefabricated Metal Storage Garage - Boise Air Traffic Control Tower (Gowen Field), Boise, ID

TRANSPORTATION, DEPARTMENT OF
FORT WORTH, TX
NAICS 236220
Posted Sep 24, 2026
Due Oct 14, 2026
Small Business Set Aside - Total

Replace Mail Facility

DEPT OF DEFENSE
NEW CUMBERLAND, PA
NAICS 236220
Posted Sep 24, 2026
Small Business Set Aside - Total
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