NAICS 331

Primary Metal Manufacturing

483 active contract opportunities

483

Active Opportunities

405

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Iron and Steel Pipe and Tube Manufacturing from Purchased Steel113
  • Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding109
  • Other Aluminum Rolling, Drawing, and Extruding60
  • Rolled Steel Shape Manufacturing55
  • Copper Rolling, Drawing, Extruding, and Alloying52

Set-Aside Distribution

  • 439
  • Small Business37
  • No Set Aside7

Top Locations

  • OH223
  • PA141
  • VA49
  • NH12
  • WA12

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,METALLIC

DEPT OF DEFENSE
MECHANICSBURG, PA
NAICS 331420
Posted Mar 23, 2026
Due Apr 20, 2026

61-CABLE,POWER,ELECTRI

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331318
Posted Mar 23, 2026

16-DUCT ASSEMBLY,AIR C

DEPT OF DEFENSE
RICHMOND, VA
NAICS 331491
Posted Mar 23, 2026

Sources Sought: HX: Tube; Metallic

DEPT OF DEFENSE
PORTSMOUTH, NH
NAICS 331210
Posted Mar 23, 2026
Due Jun 1, 2026
Small Business

Sources Sought: HX: 4.00 Inch SCH 120 Pipe

DEPT OF DEFENSE
PORTSMOUTH, NH
NAICS 331210
Posted Mar 23, 2026
Due Jun 1, 2026
Small Business

95-BAR,METAL

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

47-TUBE,METALLIC,BRANC

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Mar 19, 2026

SILVER ANODES

DEPT OF DEFENSE
BREMERTON, WA
NAICS 331410
Posted Mar 18, 2026
Small Business

61-CABLE,RADIO FREQUEN

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331491
Posted Mar 18, 2026

61-CABLE,SPECIAL PURPO

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331420
Posted Mar 18, 2026

95-BAR,METAL

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

95-SHEET,METAL

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

FD2030-26-01596

DEPT OF DEFENSE
NAICS 331420
Posted Mar 17, 2026
Due Mar 17, 2027

47-TUBE ASSEMBLY,METAL

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331420
Posted Mar 17, 2026

Round Steel Carbon Tubing

DEPT OF DEFENSE
ROCK ISLAND, IL
NAICS 331110
Posted Mar 17, 2026
Small Business

95-SHEET,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331491
Posted Mar 16, 2026

47-PIPE,BENT,METALLIC

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Mar 16, 2026

95-SHEET,METAL

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

95-PLATE,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331315
Posted Mar 16, 2026

53-SPACER,PLATE

DEPT OF DEFENSE
RICHMOND, VA
NAICS 331110
Posted Mar 16, 2026
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