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
47-TUBE ASSEMBLY,METAL
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Jan 20, 2026
Due Feb 2, 2026
Small Business7 days left
61-CABLE,SPECIAL PURPO
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331420
Posted Jan 20, 2026
95-SHEET,METAL
DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331110
Posted Jan 19, 2026
Due Jan 30, 2026
Small Business4 days left
95-SHEET,METAL
DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331491
Posted Jan 19, 2026
Due Jan 30, 2026
HUBZone4 days left
31-BEARING,BALL,ANNULAR
DEPT OF DEFENSE
RICHMOND, VA
NAICS 331523
Posted Jan 19, 2026
Due Jan 27, 2026
1 day left
9930-Sources Sought - Supply and Distribute Flat Bronze Markers Worldwide
VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 331529
Posted Jan 16, 2026
Due Jan 30, 2026
5 days left
Wire Rope Assembly, [WSDC: 40A] End Item: Helicopter,UH-60A,UH-60L,UH-60V PR: 7013368888; NSN: 4010-015021057 IAW P/N: BL-10653-3
DEPT OF DEFENSE
RICHMOND, VA
NAICS 331222
Posted Jan 16, 2026
61-CABLE,POWER,ELECTRI
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331491
Posted Jan 16, 2026
Due Jan 30, 2026
4 days left
Indium Metal
DEPT OF DEFENSE
FORT BELVOIR, VA
NAICS 331492
Posted Jan 15, 2026
Due Jan 30, 2026
No Set Aside4 days left
47-TUBING ASSEMBLY,NON
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Jan 15, 2026
Artillery / M109 Gun Mount / Copper Alloy
DEPT OF DEFENSE
ROCK ISLAND, IL
NAICS 331420
Posted Jan 15, 2026
Due Jan 27, 2026
Small Business1 day left
95-ARMOR PLATE
DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331110
Posted Jan 15, 2026
Nickel "S" Pellets
TREASURY, DEPARTMENT OF THE
WASHINGTON, DC
NAICS 331491
Posted Jan 15, 2026
Small BusinessBAR,METAL
DEPT OF DEFENSE
MECHANICSBURG, PA
NAICS 331491
Posted Jan 15, 2026
Due Jan 30, 2026
5 days left
95-PLATE,METAL
DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331315
Posted Jan 14, 2026
FY26 STEEL ROAD WHEEL Blanks
DEPT OF DEFENSE
TEXARKANA, TX
NAICS 331110
Posted Jan 14, 2026
Due Jan 29, 2026
Small Business4 days left
95-PLATE,METAL
DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 331491
Posted Jan 13, 2026
96-CROSSARM, STEEL, 115KV
ENERGY, DEPARTMENT OF
BILLINGS, MT
NAICS 331210
Posted Jan 13, 2026
59-INSULATION SLEEVING
DEPT OF DEFENSE
RICHMOND, VA
NAICS 331210
Posted Jan 13, 2026
47-TUBE,METALLIC
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 331210
Posted Jan 13, 2026
Due Feb 13, 2026
18 days left
