| Company Name | Location |
|---|
| CGNPC Uranium Resources | |
| Eesti Energia | Estonia |
| 3 M SANAYİ VE TİC.A.Ş | Turkey |
| 3 S MADENCILIK SERAMİK İNŞAAT NAKLİYAT DIŞ TİCARET A.Ş. | Turkey |
| 3S SIZDIRMAZLIK MAKİNE SAN. VE TİC. A.Ş. | Turkey |
| A.B.S.ALCI VE BLOK SANAYII A.S | Turkey |
| A.F.GUMRUKLEME NAKLIYE VE TIC. LTD.STI. | Turkey |
| Acacia Mining plc | London, United Kingdom |
| Adamera Minerals | Vancouver, Canada |
| Adelaide Brighton Cement | Australia |
| Adex Mining | Canada |
| Advance Gold | Canada |
| Advantage Lithium | Vancouver, Canada |
| Adventus Zinc Corp. | Toronto, Canada |
| Aeris Resources | Brisbane, Australia |
| Aethon Minerals Corp. | |
| African Copper PLC | United Kingdom |
| African Eagle Resources plc | United Kingdom |
| African Exploration Mining and Finance Corporation | South Africa |
| African Metals Corporation | Surrey, British Columbia, Canada |
| African Rainbow Minerals | Sandton, Johannesburg, South Africa |
| Africo Resources | Canada |
| Afrimines Resources | Watsa, Democratic Republic of the Congo |
| Aggregate Industries | Bardon Hill, United Kingdom |
| Agnico Eagle Mines Limited | Toronto, Canada |
| Agricola Resources plc | United Kingdom |
| Aguila Resources | |
| AkzoNobel | Netherlands |
| Alacer Gold | Denver, United States |
| Alamos Gold Inc | Toronto, Canada |
| Alaska-Gastineau Mining Company | United States |
| Alba Mineral Resources | London, United Kingdom |
| Albemarle Corporation | Charlotte, NC, United States |
| Albert Mining | Brossard, Canada |
| Alchemy Boulders | Sri Lanka |
| Alcoa | Pittsburgh, Pennsylvania, United States |
| Aldebaran Resources Inc. | Vancouver, Canada |
| Alexandria Minerals Corp. | Toronto, Canada |
| Alexco | Vancouver, Canada |
| Alien Metals Ltd | |
| Allegiance Mining | Australia |
| Almaden Minerals | Vancouver, Canada |
| Alrosa | Mirny, Russia |
| Altius Minerals Corp. | St. John’s, Canada |
| Altos Hornos de México | Mexico |
| Alumina Company of Guinea | Guinea |
| Alumina Limited | Australia |
| Aluminerie Alouette | Canada |
| Amara Mining | London, United Kingdom |
| Amarillo Gold Corp. | Toronto, Canada |
| Amer International Group | China |
| American Potash and Chemical Company | United States |
| Americas Petrogas | Canada |
| Amur Minerals Corporation | Khabarovsk, Russia |
| Anaconda Copper | United States |
| Anglesey Mining | London, United Kingdom |
| Anglo American plc | London, United Kingdom |
| Anglo Pacific Group | London, United Kingdom |
| Anglo Platinum | United Kingdom |
| AngloGold Ashanti Limited | Johannesburg, South Africa |
| Aniche Mining Company | France |
| Anitua Mining Services | Lihir Island, Papua New Guinea |
| ANSAC | United States |
| Ansan Wikfs | Yemen |
| Antofagasta plc | Santiago, Chile |
| Anvil Mining | Montreal, Canada |
| Apatit JSC | Kirovsk, Russia |
| Apex Silver Mines | United States |
| Aquarius Platinum | Australia |
| Arab Potash | Jordan |
| Arab Potash Company (APC) | United Kingdom |
| Arafura Resources | Australia |
| ArcelorMittal | Luxembourg |
| Archelon | Goteburg, Sweden |
| Arctic Coal Company | Norway |
| Areva Mines SA | Paris, France |
| Argonaut Gold | Toronto, Canada |
| Ariana Resources plc | London, United Kingdom |
| Arktikugol | Norway |
| ARM Cement Limited | Kenya |
| ARMZ Uranium Holding | Russia |
| Arrium | Australia |
| Asa Resource Group plc | United Kingdom |
| Asarco | United States |
| Asarel Medet | Bulgaria |
| Asbestos Corporation Limited | Canada |
| Ashanti Gold Corp. | Vancouver, Canada |
| Astra Resources plc | Australia |
| ATAC Resources Ltd. | Vancouver, Canada |
| ATK Holdings | Kazakhstan |
| Atlas Iron | Australia |
| Aton Resources | Canada |
| Audley Capital | |
| Aura Minerals | |
| Aurcana Corporation | Canada |
| Aurubis | Germany |
| Avalon Advanced Materials Inc. | Canada |
| Aveng | South Africa |
| Avino Silver & Gold Mines Ltd | Vancouver, Canada |
| Avocet Mining plc | United Kingdom |
| Avrupa Minerals | Vancouver, Canada |
| AVZ Minerals | Perth, Australia |
| Azarga Metals Corp | United Kingdom |
| B2Gold | Vancouver, Canada |
| Balmoral Resources Ltd. | Vancouver, Canada |
| Banpu | Thailand |
| Bard Ventures | Canada |
| Barrick Gold Corporation | Toronto, Canada |
| Bear Creek Mining | Canada |
| Belaruskali | Belarus |
| Belvedere Resources | Vancouver, Canada |
| Beowulf Mining plc | London, United Kingdom |
| Bharat Aluminium Company | India |
| Bharat Gold Mines Limited | India |
| BHP | Melbourne, Australia |
| Bioenergy (corporation) | Russia |
| Bisichi Mining plc | United Kingdom |
| Blaafarveværket | Norway |
| Black Butte Company | United States |
| Blackdown Resources (UK) Ltd | London, United Kingdom |
| Blackfire Exploration | Canada |
| Bluebird Merchant Ventures Ltd | Tortola, British Virgin Islands |
| Bluestone Resources Inc | Canada |
| Boliden Group | Sweden |
| Boston and Montana Consolidated Copper and Silver Mining Company | United States |
| Bougainville Copper | Australia |
| Braden Copper Company | United States |
| Breakwater Resources | Canada |
| Breedon | United Kingdom |
| British Fluorspar Ltd | Derbyshire, United Kingdom |
| British Gypsum Saint-Gobain | Coventry, United Kingdom |
| Bruay Mining Company | France |
| Buckskin Mining Company | United States |
| Bunker Hill Mining Company | United States |
| Caemi | Brazil |
| Caledonia Mining Corporation | United Kingdom |
| Callinex Mines Inc. | Vancouver, Canada |
| Cambridge Mineral Resources plc | United Kingdom |
| Cameco Corporation | Saskatoon, Saskatchewan, Canada |
| CanAlaska Uranium Ltd. | Vancouver, Canada |
| Candente Copper | Canada |
| CaNickel | Canada |
| Canstar Resources Inc. | Toronto, Canada |
| CAP S.A. | Chile |
| Capstone Mining | |
| Carmeuse | Belgium |
| Cassini Resources | Perth, Australia |
| Celtic Resources Holdings | Kazakhstan |
| CEMEX S.A.B. de C.V. | Monterrey, Mexico |
| Centamin plc | United Kingdom |
| Centaurus Metals | Perth, Australia |
| Centenera Mining Corp. | Vancouver, Canada |
| Central African Mining and Exploration Company | Democratic Republic of the Congo |
| Central Asia Metals PLC | United Kingdom |
| Central Asian Minerals and Resources plc | Isle of Man |
| Central Iron Ore Enrichment Works | Turkey |
| Centrex Metals Ltd | Australia |
| Cerrejón | La Guajira, Colombia |
| Chaarat Gold Holdings Ltd | |
| Chanderiya Smelter Complex | India |
| Chesapeake Gold Corporation | Vancouver, Canada |
| Chillagoe Railway & Mining Co. | Australia |
| China Baowu Steel Group | Shanghai, China |
| China Coal Energy | Beijing, China |
| China Minmetals | China |
| China National Coal Group Co., Ltd. | Beijing, China |
| China Northern Rare Earth (Group) High-Tech Co.,Ltd. | Baotou, China |
| China Shenhua Energy | Beijing, China |
| Chinese Engineering and Mining Company | China |
| CI Resources | Australia |
| Classic Minerals Ltd | Australia |
| Cleveland-Cliffs Inc. | United States |
| Cliffs Natural Resources | United Kingdom |
| Coal Company Zarechnaya | Russia |
| Coal India Limited | Kolkata, India |
| Codelco | Santiago, Chile |
| Coeur Mining | United States |
| Collector's Edge Minerals Inc | Golden, Colorado, United States |
| COMINAK | Niger |
| Commander Resources Ltd. | Vancouver, Canada |
| Compagnie des Bauxites de Guinée | Kamsar, Guinea |
| Compagnie des mines d'Anzin | France |
| Compagnie des mines de Béthune | France |
| Compagnie minière de Carmaux | France |
| Companhia Brasileira de Metalurgia e Mineração | Brazil |
| Compañía de Acero del Pacífico | Chile |
| Compania Minera Antamina | Lima, Peru |
| Compañía Minera San Esteban Primera | Chile |
| Compass Minerals | United States |
| Compass Resources | Australia |
| Connemara Mining Company plc | Ireland |
| Conquest Mining | Australia |
| Conroy Diamonds and Gold plc | United Kingdom |
| Consol Energy | United States |
| Constantine Metal Resources Ltd. | Vancouver, Canada |
| Copper Fox Metals Inc. | Calgary, Canada |
| Copper Mines of Tasmania | Australia |
| Copper Mountain Mining Corporation | Vancouver, Canada |
| Core Gold Inc. | Vancouver, Canada |
| Cornish Lithium | United Kingdom |
| Coro Mining Corp. | Las Condes, Santiago, Chile |
| Corriente Resources | Canada |
| Cradle Arc | United Kingdom |
| Critical Elements Corporation | Montreal, Canada |
| CuDECO | Brisbane, Australia |
| Cumerio Med | Bulgaria |
| Cunico Resources | Amseterdam, Netherlands |
| Cuprom | Romania |
| CupruMin | Romania |
| Dateline Resources Limited | Sydney, Australia |
| De Beers Group of Companies | London, United Kingdom |
| Debswana Diamond Company Ltd | Gaborone, Botswana |
| Decker Coal Company | United States |
| Dempo | India |
| Deutsche Bergwerks- und Hüttenbau | Germany |
| Diamang | Portugal |
| Discovery Group | Vancouver, Canada |
| DMC Mining Services | Canada |
| Doe Run Company | United States |
| Dominion Diamond Mines | Calgary, Canada |
| Dongling Group | China |
| Donner Metals | Canada |
| Dowa Holdings | Japan |
| Dream Mine Company | United States |
| Durban Roodepoort Deep Limited | United Kingdom |
| Dyno Nobel | Australia |
| Eagle-Picher | United States |
| Earthmetrix Inc. | Montreal, Canada |
| EDM-Empresa de Desenvolvimento Mineiro, SA | Lisboa, Portugal |
| Eesti Kiviõli | Estonia |
| Eesti Küttejõud | Estonia |
| Eestimaa Õlikonsortsium | Estonia |
| Egoli Consolidated Mines Ltd | South Africa |
| Ekapa Mining (Pty) Ltd | Kimberley, South Africa |
| Ely Gold Royalties Inc. | Vancouver, Canada |
| Emma Silver Mine | United States |
| En+ Group | Russia |
| ENAMI | Ecuador |
| Endiama | Angola |
| Enefit Kaevandused | Estonia |
| Energia Minerals | |
| Energold Corp. | Vancouver, Canada |
| Energy Fuels Inc. | Lakewood, Colorado, United States |
| Engineer Gold Mines Ltd | Vancouver, Canada |
| English and Australian Copper Company | Australia |
| EnviroLeach Technologies Inc. | Burnaby, Canada |
| Equinox Minerals | Toronto, Canada |
| Eramet | France |
| Erdene Resource Development Corp. | Halifax, |
| Erdenet Mining Corporation | Mongolia |
| Esimene Eesti Põlevkivitööstus | Estonia |
| Eti Mine Works | Turkey |
| Eurasia Mining plc | United Kingdom |
| Eurasian Natural Resources Corporation | London, United Kingdom |
| Eurasian Natural Resources Corporation | Kazakhstan |
| EuroChem | Zug, Switzerland |
| European Uranium Resources | |
| Evraz | Russia |
| Excellon Resources | Toronto, Canada |
| Exiro Minerals Corp. | Toronto, Canada |
| Exxaro | South Africa |
| FCI Aravali Gypsum and Minerals (India) Limited | India |
| Ferrous Resources | Brazil |
| Fine Minerals International | United States |
| Firestone Diamonds plc | United Kingdom |
| First Bauxite | Toronto, Canada |
| First Majestic Silver | Canada |
| First Mining Gold Corp. | Vancouver, Canada |
| First Quantum Minerals Ltd | United Kingdom |
| Fomicruz S.E. | Santa Cruz, Argentina |
| Foran Mining Corporation | Vancouver, Canada |
| Forminière | Democratic Republic of the Congo |
| Forrest Group | Belgium |
| Forte Energy | |
| Fortescue Metals Group | East Perth, Australia |
| Franco-Nevada Corporation | Tornto, Canada |
| Freeport-McMoRan | Phoenix, Arizona, United States |
| Fresnillo plc | Mexico City, Mexico |
| Frontier Lithium Inc. | Val Caron, Canada |
| Galántas Gold Corporation | United Kingdom |
| Galaxy Resources | Australia |
| Gécamines | Lubumbashi, Democratic Republic of the Congo |
| GEMCO (Groote Eylandt Mining Company Operation) | Groote Eylandt, Australia |
| Gemfields plc | London, United Kingdom |
| Geo-Mineral Exploration Corporation | United States |
| Geopulse Exploration | United States |
| Georgian Mining Corporation | London, United Kingdom |
| Gibb River Diamonds Limited | West Perth, Australia |
| Giesche | Poland |
| Glencore plc | Baar, Switzerland |
| Global Geoscience | Sydney, Australia |
| GMV Minerals | Vancouver, Canada |
| Gold Fields | South Africa |
| Gold Reserve | Spokane, Washington, United States |
| Goldcorp Inc. | Vancouver, British Columbia, Canada |
| Golden Minerals | Golden, Colorado, United States |
| Golden Rim Resources | Surrey Hills, Victoria, Australia |
| Golden Star Resources | Canada |
| Goldsource Mines | Vancouver, Canada |
| Gossan Resources Limited | Winnipeg, Canada |
| GPM Metals | Toronto, Canada |
| Gran Colombia Gold Corp. | Toronto, Canada |
| Granada Gold Mine Inc. | Rouyn-Noranda, Canada |
| Green Mountain Jade Inc | British Columbia, Canada |
| Greenland minerals and energy | Australia |
| Greer Industries | United States |
| Griffin Mining Limited | United Kingdom |
| GrowMax Agri Corp | Canada |
| Grupo México | Mexico City, Mexico |
| GT Gold Corp. | Toronto, Canada |
| Gujarat Mineral Development Corporation | India |
| Guyana Goldfields | Toronto, Canada |
| Halco Mining | Guinea |
| Hancock Prospecting | Perth, Australia |
| Hannans Ltd | Australia |
| Hanson Limited | London, United Kingdom |
| Happy Creek Minerals Ltd. | Vancouver, Canada |
| Hari Krishna Exports | India |
| Harmony Gold | Randfontein, South Africa |
| Hashoo Group | Pakistan |
| Hassel Iron Works | Norway |
| HBIS Group Co, Ltd. | Shijiazhuang, Hebei, China |
| Hecla Mining | United States |
| HeidelbergCement | Heidelberg, Germany |
| Herencia Resources | Santiago, Chile |
| High Power Exploration | Vancouver, Canada |
| Hillsborough Resources | Canada |
| Himler Coal Company | United States |
| Hindalco Industries | Mumbai, India |
| Hindustan Copper | India |
| Hindustan Zinc | India |
| Hokkaido Colliery and Railway Company | Japan |
| Horsehead Corporation | United States |
| Hotazel Manganese Mines (pty) Ltd | Hotazel, South Africa |
| Howell Works | United States |
| Hudbay Minerals | Canada |
| HudBay Minerals Inc. | Canada |
| Hudson Resources Inc. | Vancouver, Canada |
| Hunnu Coal | Mongolia |
| Hutti Gold Mines Limited | India |
| Hwange Colliery | Zimbabwe |
| ICL UK Ltd | Cleveland, United Kingdom |
| Iluka Resources | Australia |
| Imerys | Paris, France |
| Impala Platinum Holdings Limited | United Kingdom |
| Imperial Metals Corp | Vancouver, Canada |
| Implats | |
| IMX Resources | Australia |
| Incitec Pivot | Australia |
| Indian Rare Earths | India |
| Indiana Resources | Perth, Australia |
| Indium Corporation | United States |
| Ingulets Iron Ore Enrichment Works | Turkey |
| Inner Mongolia Yitai Coal Company | Ordos City, Inner Mongolia, China |
| Innova | |
| Intercontinental Mining | Almaty, Kazakhstan |
| International Ferro Metals | Australia |
| Intex Resources | Norway |
| Intrepid Potash | United States |
| IRC Limited | China |
| Iron Ore Company of Canada | Canada |
| Iron Road Ltd | Australia |
| Ironbark Zinc | Australia |
| Ironclad Mining Ltd | Australia |
| Italcementi | Bergamo, |
| Itochu Minerals | Tokyo, Japan |
| J & A Brown | Australia |
| Jastrzębska Spółka Węglowa | Poland |
| JCI Limited | South Africa |
| Jiangxi Copper | Guixi, Jiangxi, China |
| Jordan Phosphate Mines | Jordan |
| Jubilee Platinum plc | United Kingdom |
| K+S Windsor Salt | Canada |
| K92 Mining | Vancouver, Canada |
| Kababancola Mining Company | Democratic Republic of the Congo |
| Kagara Ltd | Australia |
| Katanga Mining | Whitehorse, Canada |
| KAZ Minerals | Almaty, Kazakhstan |
| KazakhGold | Kazakhstan |
| Kazakhmys | Kazakhstan |
| Kazatomprom | Astana, Kazakhstan |
| Kazzinc | Kazakhstan |
| Kenmare Resources plc | United Kingdom |
| Kenya Fluorspar Company | Kenya |
| KGHM Polska Miedź | Poland |
| KGHM Polska Miedz S.A. | United Kingdom |
| KGK Group | India |
| Khewra Salt Mine | Pakistan |
| Kidd Operations | Timmins, Ontario, Canada |
| Kiewit Mining Group Inc. | United States |
| Kimberley Ekapa Mining Joint Venture | Kimberley, South Africa |
| Kings Bay AS | Norway |
| Kogi Iron Limited | Perth, Australia |
| Koksay | Kazakhstan |
| Kombat Copper | Toronto, Canada |
| Kompania Węglowa | Poland |
| Komsomolskoye mining company | Turkey |
| Konkola Copper Mines plc | Zambia |
| Korea General Magnesia Clinker Industry Group | Pyongyang, North Korea |
| Korea General Zinc Industry Group | Pyongyang, North Korea |
| Kores | |
| Koza Altın | Turkey |
| Krasnodonvugillya | Turkey |
| Kronos | |
| Kudremukh Iron Ore Company | India |
| Kumba Iron Ore | Centurion, Gauteng, South Africa |
| Kutcho Copper Corp. | Vancouver, Canada |
| Kuzbassrazrezugol | Russia |
| KWG Resources | Canada |
| La Mancha | |
| Labrador Iron Mines | Canada |
| LafargeHolcim | |
| Laguna Resources | Australia |
| Lanka Graphite | Australia |
| Lara Exploration Ltd. | Vancouver, Canada |
| Leading Edge Materials Corp. | Vancouver, Canada |
| Leningradslanets | Russia |
| Lingbao Gold | China |
| Liontown Resoufces | West Perth, Australia |
| Lithium Corporation of America | United States |
| LKAB | Sweden |
| Lonmin plc | United Kingdom |
| Lucara Diamond | Canada |
| Lumena | China |
| Luminant | United States |
| Lundin Mining | Toronto, Canada |
| Lynas | Australia |
| Ma'aden (Saudi Arabian Mining Co.) | Riyadh, Saudi Arabia |
| Macmahon Holdings | Australia |
| Magadi Soda Company | Kenya |
| Magna Terra Minerals Inc. | Toronto, Canada |
| Mahdia Gold Corporation | Toronto, Canada |
| Managem | Morocco |
| Manganese X Energy Corp. | Brunswick, Canada |
| Martin Marietta Materials | United States |
| Matrai Eromu | |
| Mawarid Mining | Ruwi, Oman |
| Maya Gold and Silver | |
| McCallum Brothers | New Zealand |
| MDN Mining | Toronto, Canada |
| Mechel | Russia |
| Mecsek-Oko | Hungary |
| MegumaGold | Bedford, Nova Scotia, Canada |
| Metallion Resources | London, United Kingdom |
| Metalloinvest | Russia |
| Metorex Limited | United Kingdom |
| MI Drilling Fluids UK Ltd | Scotland, United Kingdom |
| Michigan Limestone and Chemical Company | United States |
| Minara Resources | Australia |
| Mine Owners' Association | United States |
| Mineco Limited | Croydon, United Kingdom |
| Minera Autlan | San Pedro Garza García, Mexico |
| Minera Escondida | Chile |
| Minera San Xavier | Mexico |
| Minera Valparaíso | Chile |
| Mineralogy | Australia |
| Mintek | South Africa |
| Mitsubishi Corporation | Tokyo, Japan |
| Mitsui Iron | Tokyo, Japan |
| Mkango Resources | Calgary, Alberta, Canada |
| Mmakau Mining | Houghton, South Africa |
| MMX Mineração | Brazil |
| Mohawk Mining Company | United States |
| MOIL | India |
| Molycorp | United States |
| Monarch gold | Quebec, Canada |
| Mondo Minerals | Netherlands |
| Moneta Porcupine Mines Inc. | Timmins, Canada |
| Mongolia Energy Corporation | Mongolia |
| Montana Resources LLP | Butte, Montana, |
| Moto Gold Mines | Democratic Republic of the Congo |
| MQP Ltd | Whitwick, United Kingdom |
| MSPL Limited | India |
| Mwaiseni | Dar es Salaam, Tanzania |
| Nabalco | Australia |
| Namdeb Diamond Corporation (PTY) Ltd | Windhoek, Namibia |
| National Aluminium Company | India |
| National Company of Lignite Oltenia | Romania |
| National Hard Coal Company | Romania |
| National Mineral Development Corporation | India |
| National Mineral Development Corporation Limited | Hyderabad, India |
| Nautilus Minerals | Canada |
| Navoi Mining and Metallurgy Combinat | Uzbekistan |
| Ndola Lime Company Limited | Zambia |
| Needham Chalks (HAM) Ltd | Ipswich, United Kingdom |
| Nevada Copper Corp. | Vancouver, Canada |
| Nevsun Resources | Canada |
| New Gold Inc. | Toronto, Canada |
| New World Resources | Poland |
| Newcrest Mining Ltd | Melbourne, Australia |
| Newmont Mining Corporation | Greenwood Village, Colorado, United States |
| Nickel Asia Corporation | Philippines |
| Nickel Mountain Resources | Goteburg, Sweden |
| Nikanor plc | Democratic Republic of the Congo |
| Nippon Steel & Sumitomo Metal | Tokyo, Japan |
| NL Industries | United States |
| NMC Resource | Canada |
| Nordgold | Moscow, Russia |
| Nordic Mining | Norway |
| Nordkalk | Finland |
| Nornickel | Moscow, Russia |
| Noront Resources Ltd. | Toronto, Canada |
| Northam Platinum | South Africa |
| Northern Empire Resources Corp. | Vancouver, Canada |
| Northern Iron Ore Enrichment Works | Turkey |
| Novagold Resources Inc. | Vancouver, Canada |
| Nyota Minerals Ltd | United Kingdom |
| Nyrstar | |
| Obulapuram Mining Company | India |
| OCP Group | Morocco |
| Odisha Mining Corporation | India |
| OK2 MINERALS | Vancouver, Canada |
| Olivut Resources Ltd. | Hinton, Canada |
| ONA | Morocco |
| Opus One Resources Inc. | Montreal, Canada |
| Orbite Technologies | Canada |
| Orex Exploration | Canada |
| Orkla Group | Norway |
| Ormonde Mining plc | United Kingdom |
| Orocobre | Australia |
| Orosur Mining | |
| Outokumpu | Finland |
| OZ Minerals | Parkside, South Australia, Australia |
| Pakistan Chrome Mines Ltd | Pakistan |
| Pakistan Gems and Jewellery Development Company | Pakistan |
| Palabora Mining Company Ltd | Phalaborwa, South Africa |
| Palladium Mining Ltd | Lagos, Nigeria |
| Pan American Silver | Canada |
| Panthera Resources Plc | London, United Kingdom |
| Patagonia Gold plc | United Kingdom |
| Pathfinder Minerals plc | London, United Kingdom |
| Pavey Ark Minerals Inc. | Ontario, Canada |
| Peel-Elder Limited | Canada |
| Peñoles | Mexico City, Mexico |
| Perseus Mining Limited | Subiaco, Australia |
| Petra Diamonds Ltd | London, United Kingdom |
| Petroceltic International plc | United Kingdom |
| Petromin | |
| Phelps Dodge | United States |
| Phoenix Global Mining | London, United Kingdom |
| Pickands Mather Group | United States |
| Pilbara Iron Company (Services) Pty Ltd | Perth, Australia |
| Planetary Resources | United States |
| Playfair Mining Ltd. | Vancouver, Canada |
| Ploiești National Coal Company | Romania |
| Polymet Mining Corporation | United States |
| Polymetal International | Russia |
| Polyus Gold International | Moscow, Russia |
| Portland Stone Firms | Portland, Dorset, United Kingdom |
| Potash Corporation of Saskatchewan | Saskatoon, Saskatchewan, Canada |
| Power Ore Inc. | Toronto, Canada |
| PPX Mining Corp | Vancouver, Canada |
| Prophecy Development Corp. | Vancouver, Canada |
| ProPipe S.A. | |
| PT Antam Tbk | United Kingdom |
| Pucara Resources | Vancouver, Canada |
| Qatar Mining | Doha, Qatar |
| QCoal | Australia |
| QIT Madagascar Minerals | Madagascar |
| QIT-Fer et Titane | Canada |
| Quasar Resources Pty Ltd | Australia |
| Queensland Nickel | Australia |
| RAG AG | Germany |
| Rainbow Rare Earths | St Peter Port, Guernsey |
| Rajasthan State Mines and Minerals | India |
| Rand Mutual Assurance | South Africa |
| Randgold Resources | Saint Helier, Jersey |
| Rare Element Resources | Canada |
| Raspadskaya | Russia |
| RattanIndia | India |
| Red Island Minerals | Madagascar |
| Red River Resources | Perth, Australia |
| Red Rock Resources | |
| Reichswerke Hermann Göring | Germany |
| Resolute Mining | |
| Revelo Resources Corp. | Vancouver, Canada |
| Rhodesian Selection Trust | Zambia |
| Rio Tinto Alcan | Montreal, Canada |
| Rio Tinto Group | London, United Kingdom |
| Rio Tinto Kennecott | South Jordan, Utah, United States |
| Riversdale Mining | Australia |
| Robe River Iron Associates | Perth, Australia |
| Rockwell Diamonds | Canada |
| Romios Gold Resources Inc. | Canada |
| Rosatom State Atomic Energy Corporation | Moscow, Russia |
| Rosslyn Hill Mining | Australia |
| Royal Bafokeng Platinum (RBPlat) | South Africa |
| Royal Road Minerals | St Helier, Jersey |
| RTB Bor | Serbia |
| Rusal | Russia |
| RWE | Germany |
| S2 Resources Ltd. | Scarborough, Australia |
| Sachtleben Minerals GmbH & Co. KG | Hausach, Germany |
| Saindak Copper Gold Project | Pakistan |
| Saint John d'El Rey Mining Company | Brazil |
| Saint-Gobain Gyproc | Courbevoie, France |
| Sallies | Pretoria, South Africa |
| Samancor Chrome | Morningside, Sandton, South Africa |
| Samarco Mineração S.A | Belo Horizonte, Brazil |
| Sandfire Resources America Inc. | Vancouver, Canada |
| Sandspring Resources | Centennial, Colorado, United States |
| Santiago Metals Proyecto 4 | Chile |
| Saskatchewan Minerals | Canada |
| Sasol | South Africa |
| Savary Gold Corp. | Toronto, Canada |
| Scorpio Gold Corporation | Nevada, United States |
| SCR Sibelco | Antwerp, Belgium |
| Searles Valley Minerals | United States |
| Sedibelo Platinum Mines Ltd | South Africa |
| Semafo | Canada |
| SEMAFO Inc. | Saint-Laurent, Canada |
| Serabi Gold plc | London, United Kingdom |
| Severalmaz | Russia |
| Severstal | Russia |
| Sevuralboksitruda | Russia |
| SGS Group | Italy |
| Shaanxi Coal and Chemical Industry Group Co., Ltd. | Xi'an, China |
| Shandong Gold Group | Jinan, Shandong, China |
| Shenzhen Zhongjin Lingnan Nonfemet Co., Ltd. | Shenzen, China |
| Sherritt International | Canada |
| Sibanye Stillwater | Westonaria, South Africa |
| Siberian Anthracite | Russia |
| Siberian Coal Energy Company | Russia |
| Sibplaz | Russia |
| Sifto Canada | Canada |
| Sigdo Koppers | Chile |
| Silesian-American Corporation | Poland |
| Silver Standard Resources Inc | |
| Silvercorp Metals | Canada |
| Simmer and Jack | South Africa |
| Sino Gold Mining | China |
| Sinosteel Corporation | Beijing, China |
| Sitka Gold Corp | Vancouver, Canada |
| Smith Granite Company | United States |
| Sociedad Química y Minera | Chile |
| Sociedade de Desenvolvimento Mineiro | Angola |
| Société Le Nickel | France |
| Societé Minière de Bakwanga | Democratic Republic of the Congo |
| Sodimico | Democratic Republic of the Congo |
| Sokoman Minerals Corp. | Puslinch, Canada |
| SolGold | Australia |
| Solway Group | Cyprus |
| Soma Kömür İşletmeleri A.Ş. | Turkey |
| SOMAIR | Niger |
| SOMED | Morocco |
| Sonasid | Morocco |
| South32 | Perth, Australia |
| Southern Copper Corporation | |
| SQM | Las Condes, Santiago, Chile |
| SSR Mining Inc. | Canada |
| St Barbara Limited | Perth, Australia |
| STAMICO | Tanzania |
| Star Diamond Corporation | Saskatoon, Canada |
| Stellar Diamonds plc | London, United Kingdom |
| Steppe Gold Limited | Ulaanbaatar, Mongolia |
| Sterlite Industries | India |
| Stoilensky GOK | Russia |
| Stolberger Zink | Germany |
| Stordø Kisgruber | Norway |
| Store Norske Spitsbergen Kulkompani | Norway |
| Strongbow Exploration Inc | Vancouver, Canada |
| Sumitomo Metal Mining Co., Ltd. | Tokyo, Japan |
| Sundance Resources | Australia |
| SunWest | United States |
| Svenska Bergsbruk | Sweden |
| Swakop Uranium | Namibia |
| Swanson Industries | United States |
| Sydvaranger | Norway |
| Tahoe Resources | Canada |
| Takraf India Pvt. Ltd. | India |
| Talisman Mining | Australia |
| Talison Minerals | Australia |
| Talon Metals Corp. | Tortola , British Virgin Islands |
| Talvivaara Mining Company | Finland |
| Tamil Nadu Magnesite Limited | India |
| Tamil Nadu Minerals Limited | India |
| Tanzanian Royalty Exploration Corporation | Toronto, Canada |
| Tarmac | Solihul, United Kingdom |
| Taseko | Vancouver, Canada |
| TEAL Exploration & Mining Incorporated | Toronto, Canada |
| Teck Resources Limited | Vancouver, Canada |
| Telequartz | Brazil |
| Telson Mining Corporation | Vancouver, Canada |
| Tenke Mining | Canada |
| Teranga Gold Corporation | Toronto, Canada |
| Tertiary Minerals plc | Cheshire, United Kingdom |
| Tethyan Resources PLC | St Helier, Jersey, United Kingdom |
| Texas Precious Metals | United States |
| The Mosaic Company | Plymouth, Minnesota, United States |
| The Mosaic Company | Canada |
| Thompson Creek Metals | Canada |
| Thor Explorations Ltd | Vancouver, Canada |
| Thor Mining plc | Marleston, Australia |
| Thunderstruck Resources LTD | Vancouver, Canada |
| Tianqi Lithium | China |
| Tiger International Resources | Canada |
| Tiger Resources | Australia |
| Tiwest Joint Venture | Australia |
| Toachi Mining Inc. | Toronto, Canada |
| Toho Zinc | Japan |
| Tongling Nonferrous Metals Group Holdings Company Limited | Tongling, Anhui, China |
| Trans-Siberian Gold plc | United Kingdom |
| Transition Metals Corp. | Sudbury, Canada |
| Tremalt | Democratic Republic of the Congo |
| Trevali Mining Corporation | Vancouver, Canada |
| Tri Origin Exploration Ltd. | Aurora, Canada |
| Trilogy Metals Inc. | Vancouver, Canada |
| TriMetals Mining | Canada |
| Troy Resources | Subiaco, Australia |
| Turquoise Hill Resources | Vancouver, Canada |
| TVEL | Russia |
| TVI Pacific | Canada |
| U.S. Silver & Gold | United States |
| U3O8 Corporation | Toronto, Canada |
| Ubique Minerals Ltd. | Toronto, Canada |
| Uchaly Mining and Metallurgical Combine | Russia |
| UEX Corporation | Vancouver, Canada |
| UK COAL PLC | United Kingdom |
| UK Mining Ventures Ltd | Yeovil, United Kingdom |
| Unimin | United States |
| Union Corporation | South Africa |
| Union Minière du Haut Katanga | Democratic Republic of the Congo |
| United Battery Metals Corp. | Vancouver, Canada |
| United Minerals Group | Turkey |
| Ural Mining and Metallurgical Company | Russia |
| Uralkali | Berezniki, Perm Krai, Russia |
| Uranium Corporation of India | India |
| Uranium One | Toronto, Canada |
| UVX Mining Co. | United States |
| Uzbekugol | Uzbekistan |
| Vale SA | Rio de Janiero, Brazil |
| Valence Industries | Australia |
| Vedanta Resources | Australia |
| Venmyn Rand | South Africa |
| Vereinigte Stahlwerke | Germany |
| Vieille Montagne | Belgium |
| Vinacomin | Vietnam |
| Volta Mining | Australia |
| Vorkutaugol | Russia |
| VSMPO-AVISMA | Russia |
| Vulcan Materials Company | United States |
| Wallbridge Mining Company Limited | Lively, Canada |
| Wankie Colliery Company | Zimbabwe |
| Watts, Griffis and McOuat Limited | Canada |
| Weatherly International | |
| Węglokoks | Poland |
| Wenco International Mining Systems | Canada |
| Wesizwe Platinum | South Africa |
| Westmoreland Coal Company | United States |
| Westwater Resources, Inc. | Lewisville, Texas, United States |
| Wheaton Precious Metals Corporation | Vancouver, British Columbia, Canada |
| White Rock Minerals | Ballarat, Australia |
| Wismut | Germany |
| Wolf Minerals | Perth, Australia |
| Woodward Iron Company | United States |
| WPG Resources | Australia |
| Wyodak Resources Development Corporation | United States |
| Ximen Mining Corp. | Vancouver, Canada |
| Xinjiang Tacheng International Resources Ltd. | Tacheng, China |
| Xstrata | Switzerland |
| Yakutugol | Russia |
| Yanzhou Coal Mining Company | China |
| Yara International | Oslo, Norway |
| Yilgarn Iron Producers Association | Australia |
| Yunnan Tin Company Limited | China |
| Zambezi Platinum | Johannesburg, South Africa |
| ZCCM Investments Holdings | Lusaka, Zambia |
| ZCI Limited | Bermuda |
| Zephyr Minerals Ltd. | Halifax, Canada |
| Zhaojin Mining | China |
| Zhongjing Lingnan Nonferrous Metals Data | Guangzhou, China |
| Zijin Mining Group Company Limited | Shanghang, Longyan, Fujian, China |
| Zinc One Resources Inc | |
| ZincOx | United Kingdom |
| ZincX Resources | Vancouver, Canada |
Branko Rieck - 14th Dec 2019The Mines and Minerals of Lavrion - Agardite-(La)
Roy Starkey - 13th Dec 2019Jolyon Ralph receives Marsh Award for Mineralogy 2019
Debbie Woolf - 9th Dec 2019Minerals & Gemstones of East Africa
Rudolf Hasler - 8th Dec 2019Collecting Minerals at Bad Bleiberg
mindat.org - 8th Dec 2019Afwillite
Larry Maltby - 6th Dec 2019Greater Detroit Gem and Mineral Show, 1976
Roy Starkey - 3rd Dec 2019Visit to Stockholm - Swedish Museum of Natural History and Flink Day Symposium
Jolyon & Katya Ralph - 2nd Dec 2019Euro Bus Tour 2020
Rolf Luetcke - 28th Nov 2019Collecting at the Last Chance Mine in Courtland Arizona
Kevin Conroy - 24th Nov 2019Micro-mineralogy of a single Keokuk geode; how complex can it get?
