NAICS 331

Primary Metal Manufacturing

778 active contract opportunities

778

Active Opportunities

645

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding183
  • Iron and Steel Pipe and Tube Manufacturing from Purchased Steel171
  • Other Aluminum Rolling, Drawing, and Extruding108
  • Rolled Steel Shape Manufacturing81
  • Copper Rolling, Drawing, Extruding, and Alloying80

Set-Aside Distribution

  • 708
  • Small Business38
  • Small Business Set Aside - Total18
  • No Set Aside12
  • WOSB2

Top Locations

  • OH358
  • PA247
  • VA78
  • NH17
  • WA17

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.

61-CABLE,POWER,ELECTRI

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331491
Posted Aug 25, 2026

47-TUBE,METALLIC

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Aug 25, 2026

95-PLATE,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331221
Posted Aug 25, 2026

95-PLATE,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331221
Posted Aug 25, 2026

95-PLATE,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331221
Posted Aug 25, 2026

95-PLATE,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331491
Posted Aug 25, 2026

95-SHEET,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331491
Posted Aug 25, 2026

95-SHEET,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331491
Posted Aug 25, 2026

North Fork French Creek Pipe Arch Materials

AGRICULTURE, DEPARTMENT OF
Ogden, UT
NAICS 331210
Posted Aug 21, 2026
Small Business Set Aside - Total

47-STRAINER ELEMENT,SE

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331222
Posted Aug 20, 2026

49-NOZZLE,FUEL AND OIL

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

95-PLATE,METAL

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

95-SHEET,METAL

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

95-PLATE,METAL

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

34-SOLDER,TIN ALLOY

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331492
Posted Aug 20, 2026

47-STAINLESS STEEL PIPING FOR FIRE SYSTEM

INTERIOR, DEPARTMENT OF THE
SALT LAKE CITY, UT
NAICS 331110
Posted Aug 19, 2026

54-ROLLER ASSY OD

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331315
Posted Aug 18, 2026

95-PLATE,METAL

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

49-NOZZLE,FUEL AND OIL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331318
Posted Aug 18, 2026

47-TUBE,CYLINDER

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