NAICS 331

Primary Metal Manufacturing

596 active contract opportunities

596

Active Opportunities

500

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Iron and Steel Pipe and Tube Manufacturing from Purchased Steel139
  • Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding135
  • Other Aluminum Rolling, Drawing, and Extruding71
  • Rolled Steel Shape Manufacturing66
  • Copper Rolling, Drawing, Extruding, and Alloying63

Set-Aside Distribution

  • 518
  • Small Business61
  • No Set Aside9
  • WOSB3
  • HUBZone2

Top Locations

  • OH263
  • PA179
  • VA60
  • NH20
  • 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.

Metal Supplies Master BPA

DEPT OF DEFENSE
VICKSBURG, MS
NAICS 331110
Posted Jun 18, 2026
Due Jul 17, 2026
Small Business

95-PLATE,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331221
Posted Jun 18, 2026

30-WEIGHT,COUNTERBALAN

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331529
Posted Jun 18, 2026

53-WASHER,RECESSED

DEPT OF DEFENSE
RICHMOND, VA
NAICS 331529
Posted Jun 18, 2026

95-PLATE,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331221
Posted Jun 18, 2026

Level 1 Round Bar 10in

DEPT OF DEFENSE
PORTSMOUTH, NH
NAICS 331221
Posted Jun 18, 2026
Due Jul 21, 2026
Small Business

95-Carbon Border Adjustment Mechanism Study RFI

ENERGY, DEPARTMENT OF
MORGANTOWN, WV
NAICS 331110
Posted Jun 18, 2026
Due Sep 2, 2026

TUBE SEAMLESS NICKEL COPPER ALLOY

DEPT OF DEFENSE
PORTSMOUTH, NH
NAICS 331210
Posted Jun 18, 2026
Due Jun 24, 2026
Small Business

61-WIRE,ELECTRICAL

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331318
Posted Jun 18, 2026

Custom Corrosion Resistant Conventional Layers Cages (BSL-3ag)

AGRICULTURE, DEPARTMENT OF
BELTSVILLE, MD
NAICS 331110
Posted Jun 18, 2026
Due Jun 24, 2026
Small Business

47-TUBE,METALLIC

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Jun 18, 2026

95-SHEET,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331110
Posted Jun 18, 2026

47-PIPE ASSEMBLY,METAL

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331420
Posted Jun 18, 2026
Due Jul 2, 2026

95-SHEET,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331110
Posted Jun 17, 2026

95-WIRE,NONELECTRICAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331420
Posted Jun 17, 2026

95-PLATE,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331491
Posted Jun 17, 2026

59-INSULATION SLEEVING

DEPT OF DEFENSE
RICHMOND, VA
NAICS 331210
Posted Jun 17, 2026

47-TUBING,NONMETALLIC

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Jun 17, 2026
Due Jun 29, 2026
SDVOSB

42-SAWFLY BALLISTIC EY

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331222
Posted Jun 17, 2026
Due Jun 29, 2026
EDWOSB

ORCAlloy-21 Atomized and Coated Powder

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
STENNIS SPACE CENTER, MS
NAICS 331410
Posted Jun 17, 2026
Due Jun 23, 2026
No Set Aside