NAICS 331

Primary Metal Manufacturing

641 active contract opportunities

641

Active Opportunities

547

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding148
  • Iron and Steel Pipe and Tube Manufacturing from Purchased Steel141
  • Other Aluminum Rolling, Drawing, and Extruding79
  • Copper Rolling, Drawing, Extruding, and Alloying74
  • Rolled Steel Shape Manufacturing68

Set-Aside Distribution

  • 569
  • Small Business61
  • No Set Aside8
  • HUBZone1
  • SDVOSB1

Top Locations

  • OH294
  • PA199
  • VA63
  • NH15
  • WA14

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.

SAM.gov Registration →|Set-Aside Programs →

Related Industries

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PIPE INCONEL

DEPT OF DEFENSE
PEARL HARBOR, HI
NAICS 331491
Posted Jul 10, 2026
Due Jul 14, 2026
Small Business

STAINLESS STEEL

DEPT OF DEFENSE
CRANE, IN
NAICS 331110
Posted Jul 10, 2026
Due Jul 14, 2026
Small Business

COPPER AND ALUMINUM

DEPT OF DEFENSE
CRANE, IN
NAICS 331420
Posted Jul 10, 2026
Due Jul 24, 2026
Small Business

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

PIPE, SML, 0.50IN

DEPT OF DEFENSE
MECHANICSBURG, PA
NAICS 331420
Posted Jul 10, 2026
Due Jul 31, 2026

49-PARTS KIT,REEL ASSE

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331318
Posted Jul 9, 2026
Due Jul 20, 2026

31-BEARING,BALL,ANNULAR

DEPT OF DEFENSE
RICHMOND, VA
NAICS 331523
Posted Jul 9, 2026
Due Jul 17, 2026
Small Business

Metal Supplies Master BPA

DEPT OF DEFENSE
VICKSBURG, MS
NAICS 331110
Posted Jul 9, 2026
Due Jul 17, 2026
Small Business

53-SPRING,FUEL CONTROL

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331318
Posted Jul 9, 2026
Due Jul 24, 2026

41-FAN,TUBEAXIAL

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

49-PARTS KIT,REEL ASSEMBL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331318
Posted Jul 9, 2026
Due Jul 15, 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

47-TUBE,METALLIC

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Jul 9, 2026
Due Jul 20, 2026
Small Business

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

95-PLATE,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331221
Posted Jul 8, 2026
Due Jul 13, 2026
Small Business

95-SHIM STOCK,LAMINATE

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331221
Posted Jul 8, 2026
Due Jul 15, 2026
Small Business
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