NAICS 23

Construction

7,885 active contract opportunities

7,885

Active Opportunities

6,987

Posted Last 7 Days

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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

W9126G26RA108

DEPT OF DEFENSE
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NAICS 238990
Posted Sep 28, 2026
Small Business Set Aside - Total

Z-DENA 332037 Eielson Roof Replacement

INTERIOR, DEPARTMENT OF THE
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NAICS 236220
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NAICS 238190
Posted Sep 28, 2026
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Joint Base Lewis McChord Multi Domain Task Force Buildings 3219 and 3218

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NAICS 236220
Posted Sep 28, 2026
Small Business Set Aside - Total

ID FLAP ADA 2019(1), Western Heritage Byway - Swan Falls Road

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NAICS 237310
Posted Sep 28, 2026
Due Oct 20, 2026

Gulf Intracoastal Waterway High Island to Causeway with Channel to Port Bolivar Maintenance Dredging

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NAICS 237990
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Multiple Award IDIQ Contract for Design Build & General Construction Services - New York & New Jersey

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NAICS 236220
Posted Sep 28, 2026
Due Oct 28, 2026
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DEPT OF DEFENSE
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NAICS 237990
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No Set Aside

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NAICS 238990
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No Set Aside

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NAICS 237990
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HOMELAND SECURITY, DEPARTMENT OF
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NAICS 238330
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No Set Aside

Purchase and Installation of Exhaust System for Bldg. 148 Dining Facility at Fort Allen

DEPT OF DEFENSE
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NAICS 238220
Posted Sep 28, 2026
Small Business Set Aside - Total

Tenant Alterations and HVAC Services SATOC

DEPT OF DEFENSE
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NAICS 236220
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Small Business Set Aside - Total

Testing & Inspecting, Preventative Maintenance (PM), Corrective Repairs, and Service Calls for NTX VA Cogeneration and Boiler Chiller Plant Amendment 0002

VETERANS AFFAIRS, DEPARTMENT OF
San Antonio, TX
NAICS 238220
Posted Sep 28, 2026
Due Oct 7, 2026
SDVOSB

Refurbish/Repaint Antenna Towers

TRANSPORTATION, DEPARTMENT OF
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NAICS 238320
Posted Sep 28, 2026
Small Business Set Aside - Total

Federal Regional Center Supply Fan Upgrades

HOMELAND SECURITY, DEPARTMENT OF
BOTHELL, WA
NAICS 238220
Posted Sep 28, 2026

Gavins Point Raw Water Intake Zebra Mussel Mitigation

DEPT OF DEFENSE
OMAHA, NE
NAICS 237110
Posted Sep 28, 2026
Small Business Set Aside - Total

Market Intelligence - Richmond ARC - CM at Risk

DEPT OF DEFENSE
LOUISVILLE, KY
NAICS 236220
Posted Sep 28, 2026
Due Oct 2, 2026

GAOA High Sierra Ranger Station Upgrades, Sierra National Forest

AGRICULTURE, DEPARTMENT OF
Ogden, UT
NAICS 236220
Posted Sep 28, 2026
Due Oct 15, 2026
Small Business Set Aside - Total

Webbers Falls Excitation System Replacements

DEPT OF DEFENSE
TULSA, OK
NAICS 237990
Posted Sep 28, 2026
Due Oct 23, 2026
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