• ADNOC – Dubai
• Capital Diamonds – Botswana
• Comium – Côte D’Ivoire
• Cohydro – DRC
• Directorate of Petroleum – Sierra Leone
• Elsewedy – Zambia
• Gilgal – South Africa
• Group Five – South Africa
• L’Union Agents de Trésor– CôteD’Ivoire
• Libya Oil
• Ministries of Mining, Energy and Health – Zambia
• Ministries of Mining and Energy – DRC
• MTN – South Africa
• National Minerals Agency – Sierra Leone
• Office of the President – Côte D’Ivoire
• Office of the President – Ghana
• Office of the President – South Africa
• PetroSA – South Africa
• Royal High Seas – Dubai
• Sasol – South Africa
• SNEL – DRC
• Total – South Africa
• Thunda Group – Botswana
• Vodacom – South Africa
• WBHO – South Africa
• Subsahara Gemstone Exchange – Zambia
• Phoenix Materials – Zambia
