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.
Related Industries
53-SPRING,LEAF
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331318
Posted Sep 24, 2026
Due Oct 5, 2026
Small Business Set Aside - TotalMetal for Overhead Crane System
DEPT OF DEFENSE
TINKER AFB, OK
NAICS 331110
Posted Sep 24, 2026
Due Oct 8, 2026
Small Business Set Aside - Total9930-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 - Total95-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 - Total49-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 - Total95-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
WOSB66-LEAD,TEST
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331318
Posted Sep 22, 2026
Due Oct 6, 2026
WOSB95-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