NAICS 331

Primary Metal Manufacturing

497 active contract opportunities

497

Active Opportunities

418

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding116
  • Iron and Steel Pipe and Tube Manufacturing from Purchased Steel113
  • Other Aluminum Rolling, Drawing, and Extruding60
  • Rolled Steel Shape Manufacturing57
  • Copper Rolling, Drawing, Extruding, and Alloying56

Set-Aside Distribution

  • 452
  • Small Business37
  • No Set Aside8

Top Locations

  • OH223
  • PA153
  • VA50
  • 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

TUBE,METALLIC

DEPT OF DEFENSE
MECHANICSBURG, PA
NAICS 331420
Posted Mar 20, 2026
Due Apr 16, 2026

PIPE, SEAMLESS

DEPT OF DEFENSE
MECHANICSBURG, PA
NAICS 331420
Posted Mar 20, 2026
Due Apr 16, 2026

TUBE,METALLIC

DEPT OF DEFENSE
MECHANICSBURG, PA
NAICS 331420
Posted Mar 20, 2026
Due Apr 16, 2026

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

Solicitation for Nickel Niobium IDIQ

DEPT OF DEFENSE
FORT BELVOIR, VA
NAICS 331410
Posted Mar 18, 2026
Due Apr 13, 2026
No Set Aside

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
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