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.

53-SPRING,LEAF

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331318
Posted Sep 24, 2026
Due Oct 5, 2026
Small Business Set Aside - Total

Metal for Overhead Crane System

DEPT OF DEFENSE
TINKER AFB, OK
NAICS 331110
Posted Sep 24, 2026
Due Oct 8, 2026
Small Business Set Aside - Total

9930-Manufacture, Supply, and Distribute Flat Bronze Markers

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 331529
Posted Sep 24, 2026
Due Nov 2, 2026

BAR,METAL

DEPT OF DEFENSE
MECHANICSBURG, PA
NAICS 331491
Posted Sep 24, 2026
Due Oct 9, 2026

47-TUBE,METALLIC

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Sep 23, 2026
Due Oct 5, 2026
Small Business Set Aside - Total

95-PLATE,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331221
Posted Sep 23, 2026

95-SHEET,METAL

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331221
Posted Sep 23, 2026
Due Oct 8, 2026
Small Business Set Aside - Total

49-NOZZLE,FUEL AND OIL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331318
Posted Sep 23, 2026

HX: 2 INCH PIPE SEAMLESS SCH160

DEPT OF DEFENSE
PORTSMOUTH, NH
NAICS 331210
Posted Sep 23, 2026
Small Business Set Aside - Total

95-PLATE,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331315
Posted Sep 23, 2026

53-INSERT,SCREW THREAD

DEPT OF DEFENSE
RICHMOND, VA
NAICS 331315
Posted Sep 22, 2026
Due Oct 7, 2026

47-TUBE,METALLIC

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Sep 22, 2026

53-INSERT,SCREW THREAD

DEPT OF DEFENSE
RICHMOND, VA
NAICS 331315
Posted Sep 22, 2026

47-TUBE,CONNECTOR

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Sep 22, 2026

61-WIRE,ELECTRICAL

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331318
Posted Sep 22, 2026

66-LEAD,TEST

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331318
Posted Sep 22, 2026
Due Oct 6, 2026
WOSB

66-LEAD,TEST

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331318
Posted Sep 22, 2026
Due Oct 6, 2026
WOSB

95-SHEET,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331491
Posted Sep 21, 2026

95-PLATE,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331491
Posted Sep 21, 2026

95-PLATE,METAL

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331221
Posted Sep 21, 2026