Industry · SIC 3330
Primary Smelting & Refining of Nonferrous Metals
20 tracked issuers filing with the SEC under this industry classification.
Issuers
20
Recent filings
40
SIC code
3330
Industry overview
Primary Smelting & Refining of Nonferrous Metals
The Primary Smelting & Refining of Nonferrous Metals sector (SIC 3330) produces aluminum, copper, zinc, nickel, and precious metal ingots, cathodes, and alloys for automakers, aerospace and electronics OEMs, construction suppliers, battery makers, and renewable energy projects. Core services span ore and concentrate processing, anode/cathode casting, toll refining, and recycling of scrap and industrial residues. Operators face volatile metal and power prices, tightening EPA emissions and tailings rules, carbon reporting requirements, permitting delays, and geopolitical supply shocks, alongside strict worker-safety obligations. In 2024-2025, investment is flowing to low-carbon smelting technologies, electrified furnaces, AI-driven process control, and traceable recycled feedstocks to capture green premiums, while demand is buoyed by EVs, grid expansion, and data center build-outs and tempered by high energy costs and selective capacity restarts. For the latest disclosures shaping this market, view SEC filings on Earnings Feed.
Source: Earnings Feed research · Nov 23, 2025
Latest filings
- SCHEDULE 13D/ASDSTStardust Power Inc.15.4 KBSEC(opens sec.gov)
- SCHEDULE 13D/ASDSTStardust Power Inc.7.9 KBSEC(opens sec.gov)
- 8-KUAMYUNITED STATES ANTIMONY CORP368.7 KBSEC(opens sec.gov)
- 8-KUAMYUNITED STATES ANTIMONY CORP236.0 KBSEC(opens sec.gov)
- 8-KSDSTStardust Power Inc.338.0 KBSEC(opens sec.gov)
- 144SDSTStardust Power Inc.4.5 KBSEC(opens sec.gov)
- 8-KSDSTStardust Power Inc.372.1 KBSEC(opens sec.gov)
- 8-KSDSTStardust Power Inc.259.4 KBSEC(opens sec.gov)
- 144SDSTStardust Power Inc.5.8 KBSEC(opens sec.gov)
- 144SDSTStardust Power Inc.9.2 KBSEC(opens sec.gov)
- 144SDSTStardust Power Inc.6.8 KBSEC(opens sec.gov)
- 8-KUAMYUNITED STATES ANTIMONY CORP388.9 KBSEC(opens sec.gov)
- 8-KSDSTStardust Power Inc.256.7 KBSEC(opens sec.gov)
- 8-KUAMYUNITED STATES ANTIMONY CORP303.5 KBSEC(opens sec.gov)
- 8-KUAMYUNITED STATES ANTIMONY CORP337.3 KBSEC(opens sec.gov)
- SCHEDULE 13G/AUAMYSEC(opens sec.gov)
- SCHEDULE 13GUAMYSEC(opens sec.gov)
- 10-QSDSTStardust Power Inc.7.7 MBSEC(opens sec.gov)
- 8-KUAMYUNITED STATES ANTIMONY CORP478.1 KBSEC(opens sec.gov)
- 10-QUAMYUNITED STATES ANTIMONY CORP10.3 MBSEC(opens sec.gov)
- 8-KSDSTStardust Power Inc.279.2 KBSEC(opens sec.gov)
- SCHEDULE 13GUAMYSEC(opens sec.gov)
- 8-KUAMYUNITED STATES ANTIMONY CORP264.1 KBSEC(opens sec.gov)
- 8-KSDSTStardust Power Inc.284.8 KBSEC(opens sec.gov)
- 8-KSDSTStardust Power Inc.251.0 KBSEC(opens sec.gov)
- 8-KSDSTStardust Power Inc.253.4 KBSEC(opens sec.gov)
- 8-KUAMYUNITED STATES ANTIMONY CORP245.6 KBSEC(opens sec.gov)
- 8-KUAMYUNITED STATES ANTIMONY CORP244.7 KBSEC(opens sec.gov)
- 8-KSDSTStardust Power Inc.540.7 KBSEC(opens sec.gov)
- 144UAMYSEC(opens sec.gov)
- 8-KUAMYUNITED STATES ANTIMONY CORP410.8 KBSEC(opens sec.gov)
- 10-QSDSTStardust Power Inc.7.2 MBSEC(opens sec.gov)
- 8-KUAMYUNITED STATES ANTIMONY CORP455.0 KBSEC(opens sec.gov)
- 10-QUAMYSEC(opens sec.gov)
- 8-KSDSTStardust Power Inc.614.5 KBSEC(opens sec.gov)
- 8-KUAMYUNITED STATES ANTIMONY CORP307.0 KBSEC(opens sec.gov)
- 8-KUAMYUNITED STATES ANTIMONY CORP267.5 KBSEC(opens sec.gov)
- 8-KSDSTStardust Power Inc.258.7 KBSEC(opens sec.gov)
- 8-KSDSTStardust Power Inc.281.7 KBSEC(opens sec.gov)
- 8-KSDSTStardust Power Inc.286.6 KBSEC(opens sec.gov)
Featured issuers
- ALCAN INCCIK 0000004285
- ALUMINA LTDCIK 0000857071
- APOLLO SOLAR ENERGY, INC.CIK 0000726435
- ASARCO CYPRUS INCCIK 0001092014
- ASARCO INCCIK 0000007649
- Blue Earth Refineries Inc.CIK 0001299795
- BRUSH WELLMAN INCCIK 0000014957
- FALCONBRIDGE LTDCIK 0000034349
- FALCONBRIDGE LTDCIK 0000889211
- GLOBE SPECIALTY METALS INCCIK 0001383571
- Horsehead Holding CorpCIK 0001385544
- INCO LTDCIK 0000049996
Classification
- SIC code
- 3330
- Total issuers
- 20
- Recent filings
- 40