Solitario Zinc Corp (XPL)

United States Steel Corporation (X)

Westwater Resources, Inc (WWR)

Wheaton Precious Metals Corp (WPM)

Western Copper and Gold Corporation (WRN)

Westlake Chemical Partners LP (WLKP)

West Fraser Timber Co. Ltd (WFG)

Westlake Chemical Corporation (WLK)

Verso Corporation (VRS)

Venator Materials PLC (VNTR)

Vista Gold Corp (VGZ)

Valhi, Inc (VHI)

Vulcan Materials Company (VMC)

Vale S.A (VALE)

Vedanta Limited (VEDL)

Univar Solutions Inc (UNVR)

Americas Gold and Silver Corporation (USAS)

Domtar Corporation (UFS)

Ternium S.A (TX)

United States Antimony Corporation (UAMY)

CVR Partners, LP (UAN)

Tronox Holdings plc (TROX)

Turquoise Hill Resources Ltd (TRQ)

Tanzanian Gold Corporation (TRX)

Trinseo S.A (TSE)

Trecora Resources (TREC)

Trilogy Metals Inc (TMQ)

TimkenSteel Corporation (TMST)

Tredegar Corporation (TG)

Taseko Mines Limited (TGB)

International Tower Hill Mines Ltd (THM)

Teck Resources Limited (TECK)

SunCoke Energy, Inc (SXC)

Sensient Technologies Corporation (SXT)

Schweitzer-Mauduit International, Inc (SWM)

Summit Materials, Inc (SUM)

Suzano S.A (SUZ)

Silvercorp Metals Inc (SVM)

Sociedad Química y Minera de Chile S.A (SQM)

The Scotts Miracle-Gro Company (SMG)

Sierra Metals Inc (SMTS)

SilverCrest Metals Inc (SILV)

Grupo Simec, S.A.B. de C.V (SIM)

The Sherwin-Williams Company (SHW)

Companhia Siderúrgica Nacional (SID)

Stepan Company (SCL)

Sibanye Stillwater Limited (SBSW)

Southern Copper Corporation (SCCO)

Seabridge Gold Inc (SA)

Sandstorm Gold Ltd (SAND)