Primary Smelting and Refining of Nonferrous Metals

SIC Industry Group 333

SIC Code	U.S. Industry  [ NAICS² Codes ]	Registrants
3330	Primary Smelting and Refining of Nonferrous Metals, et al.  § OM	33	¹
3331	Primary Smelting and Refining of Copper  [ 331410,  331411 ]	–
3334	Primary Production of Aluminum  [ 331312,  331313 ]  § OM	36
3339	Primary Smelting and Refining of Nonferrous Metals, Except Copper and Aluminum  [ 331410,  331419 ]	–
	Registrants in SIC Industry Group 333:	69
____________  §  In the SIC [SEC] subset of SIC [1987] for assigning Filings-review to the SEC Filings-Review Offices:           OM – Office of Manufacturing

        

¹  33  Registrants Operate Across Multiple Industries Within Industry Group 333:
   List them ordered by how active they’ve been   ·   List only Registrants currently in this Industry

        

As Of			Filer / Issuer	Symbol†   (Prices)	Latest Filings		SIC  (Latest)
					As: Filer	Re: Issuer
Active in the Past Year (since 4/16/23) in Group 333’s Industries:
4/12/24		MT	United States Antimony Corp.	UAMY	10-K	3	3330
— 1 —
Active, but no longer SEC-assigned to, nor self-declared in, Group 333:
3/28/24			Ferroglobe plc	GSM	6-K	SC 13G/A	1000
4/4/24		OH	Materion Corp.	MTRN	8-K	4	3460
4/8/24			Rio Tinto plc	RIO	6-K	SC 13G/A	1000
— 3 —
Not Active in the Past Year (prior to 4/16/23):					All Filings are OLD
		More...  ↓List all, including 29 Inactive Registrants
________  †  Market: Symbols source:  SEC — Prices:  Nasdaq , NYSE  ,   or  .

²  North American Industry Classification System (NAICS)

SIC [1987] Industry Group 333     ⇒     NAICS [2012] Industry Codes

NAICS Code	North American Industry		SIC Codes
331312	Primary Aluminum Production  [2007]	⇒	3334
331313	Alumina Refining and Primary Aluminum Production	⇒	2819,  3334
331410	Nonferrous Metal (except Aluminum) Smelting and Refining	⇒	3331,  3339
331411	Primary Smelting and Refining of Copper  [2007]	⇒	3331
331419	Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum)  [2007]	⇒	3339

Global Industry Classification Standard    S&P DJI  /  MSCI 

SIC [SEC] Industry 3330	⇒	GICS [2023] Sector  →  Sub-Industry
⇑ Assigned by the SEC		⇓ Assigned by S&P Dow Jones Indices / MSCI