Symbol Grade Name Industry
AA Grade c Alcoa Inc. Aluminum
AAU Grade f Almaden Minerals, Ltd. Gold Mining
ABX Grade f Barrick Gold Corporation Gold Mining
ACH Grade f Aluminum Corporation of China Aluminum
AEM Grade f Agnico Eagle Mines Limited Gold Mining
AG Grade d First Majestic Silver Corp. Silver Mining
AGI Grade f Alamos Gold Inc Gold Mining
AGU Grade a Agrium Inc. Agricultural Chemicals
AKG Grade f Asanko Gold Inc. Gold Mining
AKS Grade d AK Steel Holding Corporation Iron, Steel Mills & Foundries
ALB Grade d Albemarle Corporation Commodity Chemicals
ALJJ Grade d ALJ Regional Holdings, Inc. Iron, Steel Mills & Foundries
ALO Grade f Alio Gold Inc. Gold Mining
AMRK Grade d A-Mark Precious Metals, Inc. Integrated Mining
AMRS Grade c Amyris, Inc. Industrial Biotechnology Chemicals
APD Grade a Air Products and Chemicals, Inc. Commodity Chemicals
APDN Grade d Applied DNA Sciences Inc Specialty Chemicals
AQMS Grade f Aqua Metals, Inc. Nonferrous Metal Processing
ARD Grade f Ardagh Group S.A. Non-Paper Containers & Packaging
ARNC Grade d Arconic Inc. Aluminum
ASIX Grade d AdvanSix Inc. Specialty Chemicals
ASM Grade d Avino Silver & Gold Mines Ltd. Integrated Mining
ATI Grade c Allegheny Technologies Incorporated Integrated Mining
ATKR Grade c Atkore International Group Inc. Metallic Rolling & Drawing Products
ATR Grade c AptarGroup, Inc. Plastic Container & Packaging
AU Grade f AngloGold Ashanti Limited Gold Mining
AUMN Grade f Golden Minerals Company Silver Mining
AUY Grade f Yamana Gold Inc. Integrated Mining
AVD Grade f American Vanguard Corporation Agricultural Chemicals
AVY Grade a Avery Dennison Corporation Non-Paper Containers & Packaging
AWI Grade a Armstrong World Industries Inc Construction Materials
AXTA Grade c Axalta Coating Systems Ltd. Paint & Coating
BAA Grade f BANRO Corporation Gold Mining
BAK Grade c Braskem SA ADR Commodity Chemicals
BBL Grade c BHP Billiton plc Sponsored ADR Integrated Mining
BCC Grade a Boise Cascade, L.L.C. Logging & Sawmills
BERY Grade b Berry Plastics Group, Inc. Plastic Container & Packaging
BHP Grade c BHP Billiton Limited Integrated Mining
BIOA Grade f BioAmber Inc. Specialty Chemicals
BLL Grade d Ball Corporation Non-Paper Containers & Packaging
BMCH Grade b BMC Stock Holdings, Inc. Wood Products
BMS Grade b Bemis Company, Inc. Non-Paper Containers & Packaging
BOOM Grade b Dynamic Materials Corporation Steel
BRSS Grade c Global Brass and Copper Holdings, Inc. Nonferrous Metal Processing
BTG Grade d B2Gold Corp Gold Mining
BVN Grade d Buenaventura Mining Company Inc. Gold Mining
BXC Grade b Bluelinx Holdings Inc. Wood Product Wholesale
CADC Grade c China Advanced Construction Materials Group, Inc. Construction Materials
CBT Grade d Cabot Corporation Specialty Chemicals
CC Grade d Chemours Company (The) Commodity Chemicals
CCC Grade d Calgon Carbon Corporation Commodity Chemicals
CCK Grade d Crown Holdings, Inc. Non-Paper Containers & Packaging
CDE Grade f Coeur Mining, Inc. Silver Mining
CE Grade a Celanese Corporation Commodity Chemicals
CENX Grade c Century Aluminum Company Primary Aluminum Production
CF Grade a CF Industries Holdings, Inc. Fertilizer
CGA Grade f China Green Agriculture, Inc. Agricultural Chemicals
CINR Grade c Ciner Resources LP Agricultural Chemicals
CLF Grade d Cliffs Natural Resources Inc Steel
CLNT Grade c Cleantech Solutions International, Inc. Iron, Steel Mills & Foundries
CLW Grade f Clearwater Paper Corporation Pulp Mills
CMC Grade b Commercial Metals Company Steel
CMP Grade c Compass Minerals Intl Inc Agricultural Chemicals
CMT Grade d Core Molding Technologies Inc Plastic Container & Packaging
CRH Grade d CRH PLC Construction Materials
CRS Grade a Carpenter Technology Corporation Steel
CSTM Grade d Constellium N.V. Aluminum Rolling
CSWI Grade d CSW Industrials, Inc. Commodity Chemicals
CX Grade d Cemex, S.A.B. de C.V. Sponsored ADR Construction Materials
DEL Grade d Deltic Timber Corporation Logging & Sawmills
DMLP Grade d Dorchester Minerals, L.P. - Integrated Mining
DRD Grade f DRDGOLD Gold Mining
DWDP Grade c DowDuPont Inc. Diversified Chemicals
ECL Grade b Ecolab Inc. Specialty Chemicals
EGI Grade c Entree Gold Inc Integrated Mining
EGO Grade f Eldorado Gold Corporation Gold Mining
EMN Grade a Eastman Chemical Company Commodity Chemicals
ENZY Grade b Enzymotec Ltd. Commodity Chemicals
EXK Grade f Endeavour Silver Corporation Silver Mining
EXP Grade b Eagle Materials Inc Cement & Concrete Manufacturing
FBR Grade c Fibria Celulose S.A. Pulp Mills
FCX Grade b Freeport-McMoRan Copper & Gold, Inc. Integrated Mining
FFHL Grade d Fuwei Films (Holdings) Co., Ltd. Non-Paper Containers & Packaging
FMC Grade d FMC Corporation Diversified Chemicals
FNV Grade d Franco-Nevada Corporation Gold
FOE Grade c Ferro Corporation Specialty Chemicals
FRTA Grade d Forterra, Inc. Construction Materials
FSI Grade f Flexible Solutions International Inc. Specialty Chemicals
FSM Grade d Fortuna Silver Mines Inc Integrated Mining
FSTR Grade d L.B. Foster Company Steel
FUL Grade d H. B. Fuller Company Adhesive
GCP Grade b GCP Applied Technologies Inc. Construction Materials
GEF Grade b Greif Inc. Non-Paper Containers & Packaging
GEF.B Grade b Greif, Inc. Corporation Class B Non-Paper Containers & Packaging
GFI Grade f Gold Fields Gold
GG Grade f Goldcorp Inc. Gold
GGB Grade b Gerdau S.A. Steel
GLT Grade c Glatfelter Paper Mills & Products
GMO Grade d General Moly, Inc. Specialty Mining & Metals
GMS Grade b GMS Inc. Wood Product Wholesale
GOLD Grade f Randgold Resources Limited Gold
GORO Grade d Gold Resource Corporation Integrated Mining
GPK Grade b Graphic Packaging Holding Company Paper Packaging
GPL Grade f Great Panther Silver Silver Mining
GRA Grade d W.R. Grace & Co. Specialty Chemicals
GSM Grade b Globe Specialty Metals Inc. Specialty Mining & Metals
GSS Grade c Golden Star Resources, Ltd Gold Mining
GSV Grade f Gold Standard Ventures Corporation (Canada) Gold Mining
GURE Grade f Gulf Resources, Inc. Commodity Chemicals
HAYN Grade f Haynes International, Inc. Iron, Steel Mills & Foundries
HBM Grade c Hudbay Minerals Inc Copper Ore Mining
HBP Grade f Huttig Building Products, Inc. Wood Product Wholesale
HCC Grade d Warrior Met Coal, Inc. Coke Coal Mining
HCLP Grade c Hi-Crush Partners LP Specialty Mining & Metals
HIHO Grade b Highway Holdings Limited Metal Service Centers
HL Grade f Hecla Mining Company Precious Metals & Minerals
HMY Grade f Harmony Gold Mining Company Limited Gold
HSC Grade d Harsco Corporation Mining Support Services & Equipment
HUN Grade a Huntsman Corporation Specialty Chemicals
HWKN Grade f Hawkins, Inc. Diversified Chemicals
IAG Grade d Iamgold Corporation Gold Mining
IKNX Grade d Ikonics Corporation Specialty Chemicals
IOSP Grade b Innospec Inc. Specialty Chemicals
IP Grade a International Paper Company Paper Packaging
IPHS Grade f Innophos Holdings, Inc. Commodity Chemicals
IPI Grade c Intrepid Potash, Inc Agricultural Chemicals
JCTCF Grade c Jewett-Cameron Trading Company Wood Products
JHX Grade b James Hardie Industries plc Cement & Concrete Manufacturing
KALU Grade c Kaiser Aluminum Corporation Primary Aluminum Production
KGC Grade f Kinross Gold Corporation Gold Mining
KLDX Grade f Klondex Mines Ltd. Gold Mining
KMG Grade a KMG Chemicals, Inc. Specialty Chemicals
KOP Grade b Koppers Holdings Inc. Commodity Chemicals
KRA Grade b Kraton Performance Polymers, Inc Specialty Chemicals
KRO Grade c Kronos Worldwide Inc Specialty Chemicals
KS Grade d KapStone Paper and Packaging Corporation Paper Packaging
KWR Grade c Quaker Chemical Corporation Commodity Chemicals
LBIX Grade f Leading Brands Inc Non-Paper Containers & Packaging
LODE Grade f Comstock Mining, Inc. Integrated Mining
LOMA Grade c Loma Negra Companía Industrial Argentina Sociedad Anónima ADS Cement & Concrete Manufacturing
LPX Grade d Louisiana-Pacific Corporation Wood Products
LXFR Grade a Luxfer Holdings PLC Specialty Mining & Metals
LXU Grade c LSB Industries, Inc. Fertilizer
LYB Grade a LyondellBasell Industries NV Commodity Chemicals
MAG Grade d Mag Silver Corporation Integrated Mining
MBII Grade f Marrone Bio Innovations, Inc. Agricultural Chemicals
MEOH Grade a Methanex Corporation Commodity Chemicals
MERC Grade d Mercer International Inc. Paper Products
METC Grade f Ramaco Resources, Inc. Coke Coal Mining
MLM Grade f Martin Marietta Materials, Inc. Construction Materials
MON Grade d Monsanto Company Agricultural Chemicals
MOS Grade b Mosaic Company (The) Fertilizer
MPVD Grade f Mountain Province Diamonds Inc. Precious Metals & Minerals
MT Grade a Arcelor Mittal Steel
MTL Grade d Mechel OAO Steel
MTRN Grade b Materion Corporation Nonferrous Metal Processing
MTX Grade f Minerals Technologies Inc. Specialty Chemicals
MUX Grade f McEwen Mining Inc. Integrated Mining
MYE Grade d Myers Industries, Inc. Plastic Container & Packaging
NAK Grade d Northern Dynasty Minerals, Ltd. Integrated Mining
NEM Grade d Newmont Mining Corporation Gold Mining
NEU Grade f NewMarket Corp Commodity Chemicals
NEXA Grade c Nexa Resources S.A. Integrated Mining
NG Grade f Novagold Resources Inc. Gold Mining
NGD Grade f New Gold Inc. Integrated Mining
NGVT Grade c Ingevity Corporation Commodity Chemicals
NP Grade b Neenah Paper, Inc. Paper Mills & Products
NSU Grade f Nevsun Resources Specialty Mining & Metals
NUE Grade b Nucor Corporation Steel
NWPX Grade c Northwest Pipe Company Steel
NXEO Grade b Nexeo Solutions, Inc. Commodity Chemicals Wholesale
OCIP Grade c OCI Partners LP Specialty Chemicals
OEC Grade d Orion Engineered Carbons S.A Specialty Chemicals
OI Grade d Owens-Illinois, Inc. Glass Containers & Packaging
OLN Grade d Olin Corporation Commodity Chemicals
OMN Grade d OMNOVA Solutions Inc. Specialty Chemicals
ONP Grade c Orient Paper, Inc. Paper Products
OSN Grade b Ossen Innovation Co., Ltd. Steel
PAAS Grade f Pan American Silver Corp. Silver Mining
PGEM Grade b Ply Gem Holdings, Inc. Construction Material Wholesale
PGLC Grade f Pershing Gold Corporation Gold Mining
PKG Grade b Packaging Corporation of America Paper Packaging
PKX Grade b POSCO Steel
PLG Grade f Platinum Group Metals Ltd. Platinum Mining
PLM Grade c Polymet Mining Corporation Integrated Mining
POL Grade b PolyOne Corporation Diversified Chemicals
POPE Grade c Pope Resources - Limited Partnership Timber Tract Operations
POT Grade a Potash Corporation of Saskatchewan Inc. Agricultural Chemicals
PPG Grade b PPG Industries, Inc. Paint & Coating
PQG Grade d PQ Group Holdings Inc. Commodity Chemicals
PVG Grade d Pretium Resources, Inc. Integrated Mining
PX Grade b Praxair, Inc. Commodity Chemicals
RELY Grade f Signature Group Holdings, Inc. Secondary Smelting & Alloying of Aluminum
RFP Grade b Resolute Forest Products Inc. Newsprint Mills
RGLD Grade c Royal Gold, Inc. Gold Mining
RIC Grade c Richmont Mines, Inc. Gold
RIO Grade c Rio Tinto Plc Integrated Mining
RKDA Grade f Arcadia Biosciences, Inc. Agricultural Chemicals
ROCK Grade f Gibraltar Industries, Inc. Steel
RPM Grade b RPM International Inc. Paint & Coating
RS Grade b Reliance Steel & Aluminum Co. Metal Service Centers
RYAM Grade b Rayonier Advanced Materials Inc. Specialty Chemicals
RYI Grade d Ryerson Holding Corporation Metal Service Centers
SA Grade f Seabridge Gold, Inc. Integrated Mining
SAND Grade d Sandstorm Gold Ltd. Gold Mining
SBGL Grade d Sibanye Gold Limited Gold
SCCO Grade d Southern Copper Corporation Specialty Mining & Metals
SCHN Grade b Schnitzer Steel Industries, Inc. Iron, Steel Mills & Foundries
SCL Grade f Stepan Company Specialty Chemicals
SEE Grade b Sealed Air Corporation Non-Paper Containers & Packaging
SHLM Grade d A. Schulman, Inc. Commodity Chemicals
SHW Grade a Sherwin-Williams Company (The) Paint & Coating
SID Grade d Companhia Siderurgica Nacional S.A. Steel
SIF Grade c SIFCO Industries, Inc. Iron, Steel Mills & Foundries
SIM Grade f Grupo Simec, S.A.B. de C.V. Steel
SLCA Grade c U.S. Silica Holdings, Inc. Specialty Mining & Metals
SLGN Grade c Silgan Holdings, Inc. Non-Paper Containers & Packaging
SMG Grade a Scotts Miracle-Gro Company (The) Agricultural Chemicals
SND Grade c Smart Sand, Inc. Construction Materials
SON Grade b Sonoco Products Company Non-Paper Containers & Packaging
SQM Grade d Sociedad Quimica y Minera S.A. Agricultural Chemicals
SRDX Grade c SurModics, Inc. Adhesive
SSRM Grade f SSR Mining Inc. Silver Mining
STLD Grade a Steel Dynamics, Inc. Steel
SUM Grade b Summit Materials, Inc. Construction Materials
SVM Grade f Silvercorp Metals Inc. Silver Mining
SWM Grade b Schweitzer-Mauduit International, Inc. Paper Products
SXC Grade b SunCoke Energy, Inc. Steel
SXCP Grade d SunCoke Energy Partners, L.P. Steel
SXT Grade d Sensient Technologies Corporation Specialty Chemicals
SYNL Grade c Synalloy Corporation Steel
SYT Grade a Syngenta AG Agricultural Chemicals
TAHO Grade f Tahoe Resources, Inc. Precious Metals & Minerals
TANH Grade d Tantech Holdings Ltd. Commodity Chemicals
TECK Grade b Teck Resources Ltd Integrated Mining
TG Grade c Tredegar Corporation Plastic Container & Packaging
TGB Grade d Taseko Mines, Ltd. Specialty Mining & Metals
THM Grade f International Tower Hill Mines, Ltd. Gold Mining
TMQ Grade f Trilogy Metals Inc. Integrated Mining
TMST Grade f Timken Steel Corporation Iron, Steel Mills & Foundries
TNH Grade c Terra Nitrogen Company, L.P. Fertilizer
TORM Grade f TOR Minerals International Inc Specialty Chemicals
TREC Grade b Trecora Resources Iron Ore Mining
TRQ Grade c Turquoise Hill Resources Ltd. Integrated Mining
TRS Grade c TriMas Corporation Non-Paper Containers & Packaging
TRX Grade f Tanzanian Royalty Exploration Corporation Gold Mining
TSE Grade a Trinseo S.A. Specialty Chemicals
TX Grade c Ternium S.A. Iron, Steel Mills & Foundries
UAMY Grade d United States Antimony Corporation Specialty Mining & Metals
UAN Grade b CVR Partners, LP Fertilizer
UFAB Grade f Unique Fabricating, Inc. Plastics
UFPI Grade b Universal Forest Products, Inc. Logging & Sawmills
UFPT Grade c UFP Technologies, Inc. Commodity Chemicals
UFS Grade b Domtar Corporation Paper Products
UNVR Grade d Univar Inc. Commodity Chemicals Wholesale
USAP Grade b Universal Stainless & Alloy Products, Inc. Iron, Steel Mills & Foundries
USCR Grade b U S Concrete, Inc. Cement & Concrete Manufacturing
USEG Grade c U.S. Energy Corp. Mining Support Activities
USG Grade b USG Corporation Construction Materials
VALE Grade b VALE S.A. Iron Ore Mining
VALE.P Grade d VALE S.A. Iron Ore Mining
VEDL Grade c Vedanta Copper Ore Mining
VGZ Grade f Vista Gold Corp Gold Mining
VHI Grade c Valhi, Inc. Coloring Agent
VMC Grade c Vulcan Materials Company (Holding Company) Construction Materials
VNTR Grade f Venator Materials PLC Coloring Agent
VRTV Grade f Veritiv Corporation Paper Product Wholesale
VSM Grade d Versum Materials, Inc. Specialty Chemicals
VVV Grade a Valvoline Inc. Specialty Chemicals
WLK Grade a Westlake Chemical Corporation Commodity Chemicals
WLKP Grade c Westlake Chemical Partners LP Commodity Chemicals
WOR Grade d Worthington Industries, Inc. Iron, Steel Mills & Foundries
WPM Grade b Wheaton Precious Metals Corp Precious Metals & Minerals
WRK Grade a Westrock Company Paper Packaging
X Grade b United States Steel Corporation Steel
XPL Grade f Solitario Exploration & Royalty Corp Integrated Mining
XXII Grade c 22nd Century Group, Inc. Mining Support Activities
ZEUS Grade b Olympic Steel, Inc. Steel

Symbol Grade Name Industry
AA Grade c Alcoa Inc. Aluminum
AAU Grade f Almaden Minerals, Ltd. Gold Mining
ABX Grade f Barrick Gold Corporation Gold Mining
ACH Grade f Aluminum Corporation of China Aluminum
AEM Grade f Agnico Eagle Mines Limited Gold Mining
AG Grade d First Majestic Silver Corp. Silver Mining
AGI Grade f Alamos Gold Inc Gold Mining
AGU Grade a Agrium Inc. Agricultural Chemicals
AKG Grade f Asanko Gold Inc. Gold Mining
AKS Grade d AK Steel Holding Corporation Iron, Steel Mills & Foundries
ALB Grade d Albemarle Corporation Commodity Chemicals
ALJJ Grade d ALJ Regional Holdings, Inc. Iron, Steel Mills & Foundries
ALO Grade f Alio Gold Inc. Gold Mining
AMRK Grade d A-Mark Precious Metals, Inc. Integrated Mining
AMRS Grade c Amyris, Inc. Industrial Biotechnology Chemicals
APD Grade a Air Products and Chemicals, Inc. Commodity Chemicals
APDN Grade d Applied DNA Sciences Inc Specialty Chemicals
AQMS Grade f Aqua Metals, Inc. Nonferrous Metal Processing
ARD Grade f Ardagh Group S.A. Non-Paper Containers & Packaging
ARNC Grade d Arconic Inc. Aluminum
ASIX Grade d AdvanSix Inc. Specialty Chemicals
ASM Grade d Avino Silver & Gold Mines Ltd. Integrated Mining
ATI Grade c Allegheny Technologies Incorporated Integrated Mining
ATKR Grade c Atkore International Group Inc. Metallic Rolling & Drawing Products
ATR Grade c AptarGroup, Inc. Plastic Container & Packaging
AU Grade f AngloGold Ashanti Limited Gold Mining
AUMN Grade f Golden Minerals Company Silver Mining
AUY Grade f Yamana Gold Inc. Integrated Mining
AVD Grade f American Vanguard Corporation Agricultural Chemicals
AVY Grade a Avery Dennison Corporation Non-Paper Containers & Packaging
AWI Grade a Armstrong World Industries Inc Construction Materials
AXTA Grade c Axalta Coating Systems Ltd. Paint & Coating
BAA Grade f BANRO Corporation Gold Mining
BAK Grade c Braskem SA ADR Commodity Chemicals
BBL Grade c BHP Billiton plc Sponsored ADR Integrated Mining
BCC Grade a Boise Cascade, L.L.C. Logging & Sawmills
BERY Grade b Berry Plastics Group, Inc. Plastic Container & Packaging
BHP Grade c BHP Billiton Limited Integrated Mining
BIOA Grade f BioAmber Inc. Specialty Chemicals
BLL Grade d Ball Corporation Non-Paper Containers & Packaging
BMCH Grade b BMC Stock Holdings, Inc. Wood Products
BMS Grade b Bemis Company, Inc. Non-Paper Containers & Packaging
BOOM Grade b Dynamic Materials Corporation Steel
BRSS Grade c Global Brass and Copper Holdings, Inc. Nonferrous Metal Processing
BTG Grade d B2Gold Corp Gold Mining
BVN Grade d Buenaventura Mining Company Inc. Gold Mining
BXC Grade b Bluelinx Holdings Inc. Wood Product Wholesale
CADC Grade c China Advanced Construction Materials Group, Inc. Construction Materials
CBT Grade d Cabot Corporation Specialty Chemicals
CC Grade d Chemours Company (The) Commodity Chemicals
CCC Grade d Calgon Carbon Corporation Commodity Chemicals
CCK Grade d Crown Holdings, Inc. Non-Paper Containers & Packaging
CDE Grade f Coeur Mining, Inc. Silver Mining
CE Grade a Celanese Corporation Commodity Chemicals
CENX Grade c Century Aluminum Company Primary Aluminum Production
CF Grade a CF Industries Holdings, Inc. Fertilizer
CGA Grade f China Green Agriculture, Inc. Agricultural Chemicals
CINR Grade c Ciner Resources LP Agricultural Chemicals
CLF Grade d Cliffs Natural Resources Inc Steel
CLNT Grade c Cleantech Solutions International, Inc. Iron, Steel Mills & Foundries
CLW Grade f Clearwater Paper Corporation Pulp Mills
CMC Grade b Commercial Metals Company Steel
CMP Grade c Compass Minerals Intl Inc Agricultural Chemicals
CMT Grade d Core Molding Technologies Inc Plastic Container & Packaging
CRH Grade d CRH PLC Construction Materials
CRS Grade a Carpenter Technology Corporation Steel
CSTM Grade d Constellium N.V. Aluminum Rolling
CSWI Grade d CSW Industrials, Inc. Commodity Chemicals
CX Grade d Cemex, S.A.B. de C.V. Sponsored ADR Construction Materials
DEL Grade d Deltic Timber Corporation Logging & Sawmills
DMLP Grade d Dorchester Minerals, L.P. - Integrated Mining
DRD Grade f DRDGOLD Gold Mining
DWDP Grade c DowDuPont Inc. Diversified Chemicals
ECL Grade b Ecolab Inc. Specialty Chemicals
EGI Grade c Entree Gold Inc Integrated Mining
EGO Grade f Eldorado Gold Corporation Gold Mining
EMN Grade a Eastman Chemical Company Commodity Chemicals
ENZY Grade b Enzymotec Ltd. Commodity Chemicals
EXK Grade f Endeavour Silver Corporation Silver Mining
EXP Grade b Eagle Materials Inc Cement & Concrete Manufacturing
FBR Grade c Fibria Celulose S.A. Pulp Mills
FCX Grade b Freeport-McMoRan Copper & Gold, Inc. Integrated Mining
FFHL Grade d Fuwei Films (Holdings) Co., Ltd. Non-Paper Containers & Packaging
FMC Grade d FMC Corporation Diversified Chemicals
FNV Grade d Franco-Nevada Corporation Gold
FOE Grade c Ferro Corporation Specialty Chemicals
FRTA Grade d Forterra, Inc. Construction Materials
FSI Grade f Flexible Solutions International Inc. Specialty Chemicals
FSM Grade d Fortuna Silver Mines Inc Integrated Mining
FSTR Grade d L.B. Foster Company Steel
FUL Grade d H. B. Fuller Company Adhesive
GCP Grade b GCP Applied Technologies Inc. Construction Materials
GEF Grade b Greif Inc. Non-Paper Containers & Packaging
GEF.B Grade b Greif, Inc. Corporation Class B Non-Paper Containers & Packaging
GFI Grade f Gold Fields Gold
GG Grade f Goldcorp Inc. Gold
GGB Grade b Gerdau S.A. Steel
GLT Grade c Glatfelter Paper Mills & Products
GMO Grade d General Moly, Inc. Specialty Mining & Metals
GMS Grade b GMS Inc. Wood Product Wholesale
GOLD Grade f Randgold Resources Limited Gold
GORO Grade d Gold Resource Corporation Integrated Mining
GPK Grade b Graphic Packaging Holding Company Paper Packaging
GPL Grade f Great Panther Silver Silver Mining
GRA Grade d W.R. Grace & Co. Specialty Chemicals
GSM Grade b Globe Specialty Metals Inc. Specialty Mining & Metals
GSS Grade c Golden Star Resources, Ltd Gold Mining
GSV Grade f Gold Standard Ventures Corporation (Canada) Gold Mining
GURE Grade f Gulf Resources, Inc. Commodity Chemicals
HAYN Grade f Haynes International, Inc. Iron, Steel Mills & Foundries
HBM Grade c Hudbay Minerals Inc Copper Ore Mining
HBP Grade f Huttig Building Products, Inc. Wood Product Wholesale
HCC Grade d Warrior Met Coal, Inc. Coke Coal Mining
HCLP Grade c Hi-Crush Partners LP Specialty Mining & Metals
HIHO Grade b Highway Holdings Limited Metal Service Centers
HL Grade f Hecla Mining Company Precious Metals & Minerals
HMY Grade f Harmony Gold Mining Company Limited Gold
HSC Grade d Harsco Corporation Mining Support Services & Equipment
HUN Grade a Huntsman Corporation Specialty Chemicals
HWKN Grade f Hawkins, Inc. Diversified Chemicals
IAG Grade d Iamgold Corporation Gold Mining
IKNX Grade d Ikonics Corporation Specialty Chemicals
IOSP Grade b Innospec Inc. Specialty Chemicals
IP Grade a International Paper Company Paper Packaging
IPHS Grade f Innophos Holdings, Inc. Commodity Chemicals
IPI Grade c Intrepid Potash, Inc Agricultural Chemicals
JCTCF Grade c Jewett-Cameron Trading Company Wood Products
JHX Grade b James Hardie Industries plc Cement & Concrete Manufacturing
KALU Grade c Kaiser Aluminum Corporation Primary Aluminum Production
KGC Grade f Kinross Gold Corporation Gold Mining
KLDX Grade f Klondex Mines Ltd. Gold Mining
KMG Grade a KMG Chemicals, Inc. Specialty Chemicals
KOP Grade b Koppers Holdings Inc. Commodity Chemicals
KRA Grade b Kraton Performance Polymers, Inc Specialty Chemicals
KRO Grade c Kronos Worldwide Inc Specialty Chemicals
KS Grade d KapStone Paper and Packaging Corporation Paper Packaging
KWR Grade c Quaker Chemical Corporation Commodity Chemicals
LBIX Grade f Leading Brands Inc Non-Paper Containers & Packaging
LODE Grade f Comstock Mining, Inc. Integrated Mining
LOMA Grade c Loma Negra Companía Industrial Argentina Sociedad Anónima ADS Cement & Concrete Manufacturing
LPX Grade d Louisiana-Pacific Corporation Wood Products
LXFR Grade a Luxfer Holdings PLC Specialty Mining & Metals
LXU Grade c LSB Industries, Inc. Fertilizer
LYB Grade a LyondellBasell Industries NV Commodity Chemicals
MAG Grade d Mag Silver Corporation Integrated Mining
MBII Grade f Marrone Bio Innovations, Inc. Agricultural Chemicals
MEOH Grade a Methanex Corporation Commodity Chemicals
MERC Grade d Mercer International Inc. Paper Products
METC Grade f Ramaco Resources, Inc. Coke Coal Mining
MLM Grade f Martin Marietta Materials, Inc. Construction Materials
MON Grade d Monsanto Company Agricultural Chemicals
MOS Grade b Mosaic Company (The) Fertilizer
MPVD Grade f Mountain Province Diamonds Inc. Precious Metals & Minerals
MT Grade a Arcelor Mittal Steel
MTL Grade d Mechel OAO Steel
MTRN Grade b Materion Corporation Nonferrous Metal Processing
MTX Grade f Minerals Technologies Inc. Specialty Chemicals
MUX Grade f McEwen Mining Inc. Integrated Mining
MYE Grade d Myers Industries, Inc. Plastic Container & Packaging
NAK Grade d Northern Dynasty Minerals, Ltd. Integrated Mining
NEM Grade d Newmont Mining Corporation Gold Mining
NEU Grade f NewMarket Corp Commodity Chemicals
NEXA Grade c Nexa Resources S.A. Integrated Mining
NG Grade f Novagold Resources Inc. Gold Mining
NGD Grade f New Gold Inc. Integrated Mining
NGVT Grade c Ingevity Corporation Commodity Chemicals
NP Grade b Neenah Paper, Inc. Paper Mills & Products
NSU Grade f Nevsun Resources Specialty Mining & Metals
NUE Grade b Nucor Corporation Steel
NWPX Grade c Northwest Pipe Company Steel
NXEO Grade b Nexeo Solutions, Inc. Commodity Chemicals Wholesale
OCIP Grade c OCI Partners LP Specialty Chemicals
OEC Grade d Orion Engineered Carbons S.A Specialty Chemicals
OI Grade d Owens-Illinois, Inc. Glass Containers & Packaging
OLN Grade d Olin Corporation Commodity Chemicals
OMN Grade d OMNOVA Solutions Inc. Specialty Chemicals
ONP Grade c Orient Paper, Inc. Paper Products
OSN Grade b Ossen Innovation Co., Ltd. Steel
PAAS Grade f Pan American Silver Corp. Silver Mining
PGEM Grade b Ply Gem Holdings, Inc. Construction Material Wholesale
PGLC Grade f Pershing Gold Corporation Gold Mining
PKG Grade b Packaging Corporation of America Paper Packaging
PKX Grade b POSCO Steel
PLG Grade f Platinum Group Metals Ltd. Platinum Mining
PLM Grade c Polymet Mining Corporation Integrated Mining
POL Grade b PolyOne Corporation Diversified Chemicals
POPE Grade c Pope Resources - Limited Partnership Timber Tract Operations
POT Grade a Potash Corporation of Saskatchewan Inc. Agricultural Chemicals
PPG Grade b PPG Industries, Inc. Paint & Coating
PQG Grade d PQ Group Holdings Inc. Commodity Chemicals
PVG Grade d Pretium Resources, Inc. Integrated Mining
PX Grade b Praxair, Inc. Commodity Chemicals
RELY Grade f Signature Group Holdings, Inc. Secondary Smelting & Alloying of Aluminum
RFP Grade b Resolute Forest Products Inc. Newsprint Mills
RGLD Grade c Royal Gold, Inc. Gold Mining
RIC Grade c Richmont Mines, Inc. Gold
RIO Grade c Rio Tinto Plc Integrated Mining
RKDA Grade f Arcadia Biosciences, Inc. Agricultural Chemicals
ROCK Grade f Gibraltar Industries, Inc. Steel
RPM Grade b RPM International Inc. Paint & Coating
RS Grade b Reliance Steel & Aluminum Co. Metal Service Centers
RYAM Grade b Rayonier Advanced Materials Inc. Specialty Chemicals
RYI Grade d Ryerson Holding Corporation Metal Service Centers
SA Grade f Seabridge Gold, Inc. Integrated Mining
SAND Grade d Sandstorm Gold Ltd. Gold Mining
SBGL Grade d Sibanye Gold Limited Gold
SCCO Grade d Southern Copper Corporation Specialty Mining & Metals
SCHN Grade b Schnitzer Steel Industries, Inc. Iron, Steel Mills & Foundries
SCL Grade f Stepan Company Specialty Chemicals
SEE Grade b Sealed Air Corporation Non-Paper Containers & Packaging
SHLM Grade d A. Schulman, Inc. Commodity Chemicals
SHW Grade a Sherwin-Williams Company (The) Paint & Coating
SID Grade d Companhia Siderurgica Nacional S.A. Steel
SIF Grade c SIFCO Industries, Inc. Iron, Steel Mills & Foundries
SIM Grade f Grupo Simec, S.A.B. de C.V. Steel
SLCA Grade c U.S. Silica Holdings, Inc. Specialty Mining & Metals
SLGN Grade c Silgan Holdings, Inc. Non-Paper Containers & Packaging
SMG Grade a Scotts Miracle-Gro Company (The) Agricultural Chemicals
SND Grade c Smart Sand, Inc. Construction Materials
SON Grade b Sonoco Products Company Non-Paper Containers & Packaging
SQM Grade d Sociedad Quimica y Minera S.A. Agricultural Chemicals
SRDX Grade c SurModics, Inc. Adhesive
SSRM Grade f SSR Mining Inc. Silver Mining
STLD Grade a Steel Dynamics, Inc. Steel
SUM Grade b Summit Materials, Inc. Construction Materials
SVM Grade f Silvercorp Metals Inc. Silver Mining
SWM Grade b Schweitzer-Mauduit International, Inc. Paper Products
SXC Grade b SunCoke Energy, Inc. Steel
SXCP Grade d SunCoke Energy Partners, L.P. Steel
SXT Grade d Sensient Technologies Corporation Specialty Chemicals
SYNL Grade c Synalloy Corporation Steel
SYT Grade a Syngenta AG Agricultural Chemicals
TAHO Grade f Tahoe Resources, Inc. Precious Metals & Minerals
TANH Grade d Tantech Holdings Ltd. Commodity Chemicals
TECK Grade b Teck Resources Ltd Integrated Mining
TG Grade c Tredegar Corporation Plastic Container & Packaging
TGB Grade d Taseko Mines, Ltd. Specialty Mining & Metals
THM Grade f International Tower Hill Mines, Ltd. Gold Mining
TMQ Grade f Trilogy Metals Inc. Integrated Mining
TMST Grade f Timken Steel Corporation Iron, Steel Mills & Foundries
TNH Grade c Terra Nitrogen Company, L.P. Fertilizer
TORM Grade f TOR Minerals International Inc Specialty Chemicals
TREC Grade b Trecora Resources Iron Ore Mining
TRQ Grade c Turquoise Hill Resources Ltd. Integrated Mining
TRS Grade c TriMas Corporation Non-Paper Containers & Packaging
TRX Grade f Tanzanian Royalty Exploration Corporation Gold Mining
TSE Grade a Trinseo S.A. Specialty Chemicals
TX Grade c Ternium S.A. Iron, Steel Mills & Foundries
UAMY Grade d United States Antimony Corporation Specialty Mining & Metals
UAN Grade b CVR Partners, LP Fertilizer
UFAB Grade f Unique Fabricating, Inc. Plastics
UFPI Grade b Universal Forest Products, Inc. Logging & Sawmills
UFPT Grade c UFP Technologies, Inc. Commodity Chemicals
UFS Grade b Domtar Corporation Paper Products
UNVR Grade d Univar Inc. Commodity Chemicals Wholesale
USAP Grade b Universal Stainless & Alloy Products, Inc. Iron, Steel Mills & Foundries
USCR Grade b U S Concrete, Inc. Cement & Concrete Manufacturing
USEG Grade c U.S. Energy Corp. Mining Support Activities
USG Grade b USG Corporation Construction Materials
VALE Grade b VALE S.A. Iron Ore Mining
VALE.P Grade d VALE S.A. Iron Ore Mining
VEDL Grade c Vedanta Copper Ore Mining
VGZ Grade f Vista Gold Corp Gold Mining
VHI Grade c Valhi, Inc. Coloring Agent
VMC Grade c Vulcan Materials Company (Holding Company) Construction Materials
VNTR Grade f Venator Materials PLC Coloring Agent
VRTV Grade f Veritiv Corporation Paper Product Wholesale
VSM Grade d Versum Materials, Inc. Specialty Chemicals
VVV Grade a Valvoline Inc. Specialty Chemicals
WLK Grade a Westlake Chemical Corporation Commodity Chemicals
WLKP Grade c Westlake Chemical Partners LP Commodity Chemicals
WOR Grade d Worthington Industries, Inc. Iron, Steel Mills & Foundries
WPM Grade b Wheaton Precious Metals Corp Precious Metals & Minerals
WRK Grade a Westrock Company Paper Packaging
X Grade b United States Steel Corporation Steel
XPL Grade f Solitario Exploration & Royalty Corp Integrated Mining
XXII Grade c 22nd Century Group, Inc. Mining Support Activities
ZEUS Grade b Olympic Steel, Inc. Steel