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
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 - Total47-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