NAICS 331
Primary Metal Manufacturing
450 active contract opportunities
450
Active Opportunities
25
Posted Last 7 Days
30 days
Avg Response Window
Top Industries
- Iron and Steel Pipe and Tube Manufacturing from Purchased Steel104
- Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding96
- Other Aluminum Rolling, Drawing, and Extruding58
- Rolled Steel Shape Manufacturing52
- Copper Rolling, Drawing, Extruding, and Alloying48
Set-Aside Distribution
- 393
- Small Business45
- No Set Aside7
- WOSB2
- EDWOSB1
Top Locations
- OH210
- PA122
- VA49
- WA11
- NH10
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
95-PLATE,METAL
DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331491
Posted Jan 12, 2026
47-TUBE,METALLIC
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Jan 12, 2026
47-TUBE ASSEMBLY,METAL
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Jan 12, 2026
Due Jan 27, 2026
Small Business1 day left
95-SHEET,METAL
DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331110
Posted Jan 8, 2026
47-TUBE,METALLIC
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Jan 7, 2026
61-CABLE,POWER,ELECTRI
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331318
Posted Jan 7, 2026
61-WIRE,ELECTRICAL
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331420
Posted Jan 7, 2026
Nickel "S" Pellets
TREASURY, DEPARTMENT OF THE
WASHINGTON, DC
NAICS 331491
Posted Jan 6, 2026
Small BusinessUPDATED - MAGNET WIRE
DEPT OF DEFENSE
PORTSMOUTH, NH
NAICS 331420
Posted Jan 5, 2026
Small Business61-CABLE,POWER,ELECTRI
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331318
Posted Jan 5, 2026
95-SHEET,METAL
DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331491
Posted Dec 30, 2025
47-STRAINER,SEDIMENT
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331318
Posted Dec 22, 2025
53-SPRING,HELICAL,EXTE
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331318
Posted Dec 22, 2025
31-BEARING,BALL,ANNULAR
DEPT OF DEFENSE
RICHMOND, VA
NAICS 331523
Posted Dec 19, 2025
47-TUBE,METALLIC
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Dec 19, 2025
47-TUBE,METALLIC
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Dec 19, 2025
47-TUBING ASSEMBLY,NON
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Dec 18, 2025
61-CABLE,POWER,ELECTRI
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331318
Posted Dec 18, 2025
95-PLATE,METAL
DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331491
Posted Dec 18, 2025
Balance Arbor IDIQ
DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331529
Posted Dec 18, 2025
Due Jan 27, 2026
2 days left
