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.

95-ARMOR PLATE

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331491
Posted Jul 22, 2026
Due Aug 3, 2026
WOSB

49-NOZZLE,FUEL AND OIL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331318
Posted Jul 22, 2026
Due Aug 3, 2026
Small Business

95-PLATE,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331491
Posted Jul 22, 2026
Due Aug 3, 2026
Small Business

95-SHEET,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331491
Posted Jul 22, 2026
Due Aug 3, 2026
WOSB

95-PLATE,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331110
Posted Jul 22, 2026
Due Aug 3, 2026
WOSB

95-SHEET,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331491
Posted Jul 22, 2026
Due Aug 3, 2026
Small Business

61-CABLE,POWER,ELECTRICAL

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331491
Posted Jul 21, 2026
Due Aug 3, 2026
Small Business

BAR,METAL

DEPT OF DEFENSE
MECHANICSBURG, PA
NAICS 331491
Posted Jul 21, 2026
Due Aug 5, 2026

49-PARTS KIT,REEL ASSE

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331318
Posted Jul 20, 2026

95-SHEET,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331491
Posted Jul 20, 2026

47-TUBE ASSEMBLY,METAL

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331420
Posted Jul 20, 2026
Due Aug 4, 2026

47-STRAINER,SEDIMENT

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331318
Posted Jul 20, 2026

PIPE,METALLIC

DEPT OF DEFENSE
MECHANICSBURG, PA
NAICS 331420
Posted Jul 17, 2026
Due Aug 17, 2026

95-SHEET,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331110
Posted Jul 16, 2026

47-TUBE,ANTI ICE

DEPT OF DEFENSE
RICHMOND, VA
NAICS 331420
Posted Jul 16, 2026

61-CABLE,RADIO FREQUEN

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331491
Posted Jul 16, 2026

47-TUBE,METALLIC

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Jul 15, 2026

47-TUBE ASSEMBLY,BEARI

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Jul 15, 2026

49-NOZZLE,FUEL AND OIL

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331318
Posted Jul 15, 2026

47-TUBE,METALLIC

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