♦Antraco Chemie-Handelsgesell Schaft MBH
♦BASF Pigment GmbH
♦Chemico Synthetics
♦Dongguan Guanwei Trading Co.
♦Everkem S.R.L.
♦Fam International Co., Ltd.
♦Fam International Co., Ltd.
♦Fantastic Metal Products Co.
♦Federal Institute for Geosciences and Natural Resources(BGR) Beijing Office
♦GMS Chemie-Handelsgesellschaft mbH
♦GPM Chemicresource LLC
♦GPM Chemicresource LLC
♦Guangzhou Beixing Trading Co., Ltd.
♦Helm AG
♦Hillgrove Mines Pty Ltd.
♦Hillgrove Mines Pty Ltd.
♦IMR-Rohstoffhandel
♦International Antimony Association
♦International Antimony Association
♦Itaca SA
♦Lambert Metals International Ltd
♦Matrix (Guangzhou) Chemicals Co.
♦Nihon Seiko Co.
♦Penox SA (Group Holding)
♦PT. BARA CIPTA NUGRAHA
♦Quimialmel Italia SPA
♦RJH Trading Limited
♦Roskill Information Services Ltd.
♦S. Goldmann GmbH Co. KG
♦Serge Ferrari
♦St. Louis Group
♦Tonggu Eryuan Chemical Co., Ltd
♦Trademet SA -UK
♦Traxys Spain
♦Tri-Star Resources Plc
♦Tri-Star Resources Plc
♦Tri-Star Resources Plc
♦Voyager Group
♦Voyager Group