NAICS 331

Primary Metal Manufacturing

700 active contract opportunities

700

Active Opportunities

524

Posted Last 7 Days

30 days

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Top Industries

  • Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding159
  • Iron and Steel Pipe and Tube Manufacturing from Purchased Steel154
  • Other Aluminum Rolling, Drawing, and Extruding90
  • Copper Rolling, Drawing, Extruding, and Alloying78
  • Rolled Steel Shape Manufacturing76

Set-Aside Distribution

  • 607
  • Small Business39
  • Small Business Set Aside - Total36
  • No Set Aside12
  • WOSB3

Top Locations

  • OH311
  • PA222
  • VA70
  • WA18
  • NH17

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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47-STAINLESS STEEL PIPING FOR FIRE SYSTEM

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

31-BEARING, BALL, ANNULAR

DEPT OF DEFENSE
RICHMOND, VA
NAICS 331523
Posted Aug 19, 2026
Due Aug 27, 2026
Small Business Set Aside - Total

47-TUBE ASSEMBLY,METAL

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331420
Posted Aug 19, 2026
Due Sep 3, 2026
Small Business Set Aside - Total

47-TUBE ASSEMBLY,METAL

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331420
Posted Aug 19, 2026
Due Sep 3, 2026
Small Business Set Aside - Total

47-TUBING,NONMETALLIC

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331420
Posted Aug 19, 2026
Due Sep 3, 2026
Small Business Set Aside - Total

95-SHEET,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331491
Posted Aug 19, 2026
Due Aug 31, 2026
Small Business Set Aside - Total

95-PLATE,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331221
Posted Aug 19, 2026
Due Aug 31, 2026
Small Business Set Aside - Total

49-NOZZLE,FUEL AND OIL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331318
Posted Aug 19, 2026
Due Aug 31, 2026
Small Business Set Aside - Total

Ground Ring Sleeve

DEPT OF DEFENSE
PORTSMOUTH, NH
NAICS 331420
Posted Aug 19, 2026
Due Sep 1, 2026
Small Business Set Aside - Total

Iridium Upgrade SP8000 RFI

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331492
Posted Aug 18, 2026
Due Sep 1, 2026

Culvert Supplies Klamath National Forest

AGRICULTURE, DEPARTMENT OF
YREKA, CA
NAICS 331210
Posted Aug 18, 2026
Due Aug 29, 2026
No Set Aside

Silver Reutilization and Account Maintenance Service

DEPT OF DEFENSE
KEYPORT, WA
NAICS 331492
Posted Aug 18, 2026
Due Oct 2, 2026
No Set Aside

61-MAGNET WIRE

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331318
Posted Aug 18, 2026
Due Aug 31, 2026

61-CABLE,POWER,ELECTRICAL

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331318
Posted Aug 18, 2026
Due Aug 31, 2026
SDVOSB

47-TUBE,CYLINDER

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

95-SHIM STOCK,LAMINATE

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331221
Posted Aug 18, 2026
Due Aug 31, 2026
Small Business Set Aside - Total

STEEL TUBE

DEPT OF DEFENSE
FORT DRUM, NY
NAICS 331210
Posted Aug 18, 2026
Due Aug 27, 2026
Small Business Set Aside - Total

Steel Plates

DEPT OF DEFENSE
VICKSBURG, MS
NAICS 331210
Posted Aug 18, 2026
Due Aug 21, 2026
Small Business Set Aside - Total

COPPER AND ALUMINUM

DEPT OF DEFENSE
CRANE, IN
NAICS 331420
Posted Aug 17, 2026
Small Business Set Aside - Total

INSTALLATION OF HIGH SPEC AUTOMATIC SLIDING GATES AND CONTROL SYSTEM UPGRADE, VEHICLE ACCESS POINTS

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 3312
Posted Aug 17, 2026
Due Sep 1, 2026
No Set Aside
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