The company publishes the "UNITED MATERIALS Congo sarl Conflict MIneral Report" which is a membre de Tantalex Ressources inc. Even when the report is published in Tantalex website it does not cover the enteire company only its subsidiary. On homepage one can also read that "TANTALEX: an iTSCi memberThe iTSCi Programme is a joint industry membership programme designed to assist companies with traceability, due diligence and audit requirements on purchases of minerals from high risk areas as recommended in the OECD Due Diligence Guidelines and UN recommendations. Furthermore it also aims to aid compliance with the US Dodd Frank Law, section 1502 on conflict minerals. The Programme establishes traceability in the upstream supply chain from mine to smelter, and downstream companies (product manufacturers, etc) and assists companies to establish due diligence through independent audits and risk assessments." However, the list of members does not include TANTALEX only United Materials Congo.