NAICS 331

Primary Metal Manufacturing

642 active contract opportunities

642

Active Opportunities

548

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding156
  • Iron and Steel Pipe and Tube Manufacturing from Purchased Steel136
  • Other Aluminum Rolling, Drawing, and Extruding79
  • Copper Rolling, Drawing, Extruding, and Alloying73
  • Rolled Steel Shape Manufacturing69

Set-Aside Distribution

  • 583
  • Small Business45
  • No Set Aside10
  • WOSB3
  • SDVOSB1

Top Locations

  • OH284
  • PA210
  • VA64
  • WA17
  • NH13

About NAICS331

The North American Industry Classification System (NAICS) code 331 covers primary metal manufacturing. Federal agencies use NAICS codes to classify contracts by industry. Businesses should register their applicable NAICS codes in SAM.gov.

47-PIPE,BENT,METALLIC

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Jul 14, 2026

59-INSULATION SLEEVING,ELECTRICAL

DEPT OF DEFENSE
RICHMOND, VA
NAICS 331210
Posted Jul 14, 2026

61-CABLE,POWER,ELECTRICAL

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331491
Posted Jul 14, 2026

BAR,METAL

DEPT OF DEFENSE
MECHANICSBURG, PA
NAICS 331491
Posted Jul 14, 2026
Due Aug 13, 2026

BAR,METAL

DEPT OF DEFENSE
MECHANICSBURG, PA
NAICS 331491
Posted Jul 14, 2026
Due Aug 13, 2026

95-PLATE,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331110
Posted Jul 13, 2026

42-GOGGLES,INDUSTRIAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331221
Posted Jul 13, 2026

BAR,METAL

DEPT OF DEFENSE
MECHANICSBURG, PA
NAICS 331221
Posted Jul 10, 2026
Due Aug 10, 2026

BAR,METAL

DEPT OF DEFENSE
MECHANICSBURG, PA
NAICS 331491
Posted Jul 10, 2026
Due Aug 10, 2026

41-FAN,TUBEAXIAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331318
Posted Jul 9, 2026

47-COUPLING HALF,QUICK

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331512
Posted Jul 9, 2026

59-INSULATION SLEEVING

DEPT OF DEFENSE
RICHMOND, VA
NAICS 331210
Posted Jul 9, 2026

BAR,METAL

DEPT OF DEFENSE
MECHANICSBURG, PA
NAICS 331491
Posted Jul 9, 2026
Due Aug 10, 2026

BAR,METAL

DEPT OF DEFENSE
MECHANICSBURG, PA
NAICS 331491
Posted Jul 9, 2026
Due Aug 10, 2026

BAR,METAL

DEPT OF DEFENSE
MECHANICSBURG, PA
NAICS 331221
Posted Jul 9, 2026
Due Aug 10, 2026

61-STATIC AND LINE HARDWARE FOR ED-FNT STATIC JOB

ENERGY, DEPARTMENT OF
BILLINGS, MT
NAICS 331221
Posted Jul 8, 2026

PIPE, SEAMLESS

DEPT OF DEFENSE
MECHANICSBURG, PA
NAICS 331420
Posted Jul 8, 2026
Due Aug 7, 2026

47-TUBE AND FITTINGS,M

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Jul 7, 2026

47-PIPE ASSEMBLY,METAL

DEPT OF DEFENSE
RICHMOND, VA
NAICS 331210
Posted Jul 7, 2026

95-WIRE,NONELECTRICAL

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331491
Posted Jul 7, 2026