
For more information or to obtain an application to become an Exchange Approved Assayer, Approved Brand, Approved Carrier, Licensed Depository/Warehouse, or Licensed Weighmaster, please contact Terry Gehring +1 312 435 3644 terry.gehring@cmegroup.com. For other product information, please contact Joann Arena +1 212 299 2356 joann.arena@cmegroup.com.
| Producer | Code | Brand Marks |
| ASARCO LLC | ATR | ATR |
| ASARCO LLC | RAY | ASARCO RAY GRADE 1 |
| Atlantic Copper SA | FMS | FMS |
| BHP Copper Inc. | BHPP | BHP Copper/Pinto |
| Cobre de Mexico SA | CDM | *CDM |
| Codelco-Chile - Corporacion Nacional del Cobre de Chile | AE | AE |
| Codelco-Chile - Corporacion Nacional del Cobre de Chile | CCC | *CCC |
| Codelco-Chile - Corporacion Nacional del Cobre de Chile | ASXW | AE SX-EW |
| Codelco-Chile - Corporacion Nacional del Cobre de Chile | CCCP | CCC-P |
| Codelco-Chile - Corporacion Nacional del Cobre de Chile | CSBL | cCc SBL |
| Codelco-Chile - Corporacion Nacional del Cobre de Chile | CHUI | CHUQUI-P |
| Codelco-Chile - Corporacion Nacional del Cobre de Chile | NAMI | ENM |
| Codelco-Chile - Corporacion Nacional del Cobre de Chile | RT | RT |
| Compania Minera Cerro Colorado Ltda | CMCC | CMCC |
| Compania Minera Dona Ines de Collahuasi SCM | COLL | COLL |
| Compania Minera La Parrena S.A. de C.V. Compania Minera Xstrata Lomas Bayas |
MFLB | Penoles LBF |
| Compania Minera Quebrada Blanca S.A. | QB | QB |
| Compania Minera Zaldivar | ZALD | ZALDIVAR |
| Dowa Mining Co. Ltd. | DOWA | DOWA |
| INCO Limited | ORCO | ORC |
| Kennecott Utah Copper Corporation | KUCU | KUC |
| LG-Nikko Copper Inc. | ONSN | ONSAN |
| Metallo-Chimique International N.V. | SME | SME |
| Minera El Tesoro | MELT | MET |
| Minera Escondida Limitada | ESOX | ESOX |
| Minera Spence S.A. | SPEN | SPENCE |
| Mitsubishi Materials Corporation | MTSB | MITSUBISHI |
| Mitsui Mining & Smelting Co. Ltd. | MITS | *MITSUI |
| Pan Pacific Copper Company Ltd. | TAMA | TAMANO |
| Nippon Mining & Metals Co., Ltd. | HM | *HM |
| Nippon Mining & Metals Co., Ltd. | SR | *SR |
| Norddeutsche Affinerie AG | HKAG | HK |
| Norddeutsche Affinerie AG | NAEN | NA-ESN |
| Onahama Smelting & Refining Co. Ltd. | OSR | OSR |
| Phelps Dodge Refining Corp. | PD | P*D |
| Freeport-McMoRan Chino Mines Company | PDSR | Santa Rita |
| Freeport-McMoRan Morenci Inc. | PDMI | PDMI |
| Freeport-McMoRan Morenci Inc. | PDSS | PDSS |
| Freeport-McMoRan Morenci Inc. | PDGO | PD*GO |
| Freeport McMoRan Tyrone Inc. | BCCC | BCCC ("Burro Chief") |
| Freeport McMoRan Bagdad Inc. | CBCC | CBCC |
| Freeport-McMoRan Sierrita Inc. | TWIN | CTB |
| Philippine Associated Smelting & Refining Corp. | PSAR | PASAR |
| Sociedad Contractual Minera El Abra | ABRA | ABRA |
| Sociedad Minera Cerro Verde SA | SMCV | SMCV |
| Southern Peru Copper Corp. | SPCC | SPCC-ILO |
| Southern Peru Copper Corp. / Southern Peru Copper Ltd. | SPLX | SPCC-SXEW |
| Sumitomo Metal Mining Co. Ltd. | SUMI | SUMIKO |
| White Pine Copper Refinery, Inc. | WPCR | White Pine Copper |
| Xstrata Canada Corporation | NORA | NORANDA |
| Xstrata Canada Corporation | FKA | FKA |
| Xstrata Tintaya S.A. | TINT | TINTAYA |
| Zambia Consolidated Copper Mines / Mufulira Copper Refining | MCM | MCM |
| Zambia Consolidated Copper Mines / Nkana Copper Refinery | REC | REC |
*No longer produced