AGB2A-GIC (Alliance Guinéenne de Bauxite, d'Alumine et d'Aluminium – Guinea International Corporation) is a 100% locally owned Guinean bauxite mining company led by former Minister of Mines Ahmed Kanté. Operating in the Boffa/Fatala River corridor, it has invested over $313 million in infrastructure, including a modern river port at Kokaya. After peaking at 8 million tonnes of exports in 2024, operations were suspended for seven months in 2025 following a permit revocation. The company relaunched in late 2025 under a new Direct Royalty Framework and is targeting 10–12 million tonnes in 2026, employing roughly 2,500–3,000 workers.
Ashapura Minechem, an Indian mining company, operates one of Guinea's major bauxite export businesses, mining and shipping ore from deposits such as Boffa East and Kindia region's Fako deposit. Guinea has become the company's key growth engine, delivering record revenue and driving profit growth in recent years. Ashapura has expanded logistics capacity, raising Boffa Port's handling capacity to 8 million tonnes annually, and partnered with China Railway to jointly develop Fako bauxite deposit in Kindia. The company targets 15 million tonnes of annual exports by FY28, worth roughly USD 1 billion, positioning Guinea as central to its global bauxite strategy.
Chalco Guinea Company S.A. is a special-purpose joint venture developing the Boffa bauxite project in northwestern Guinea, majority-owned (85%) by Chalco Energy Holdings, a subsidiary of Aluminum Corporation of China (Chalco/Chinalco), with the Guinean government holding 15% (option to raise to 35%). Established via a 2018 mining convention, it holds licenses for the Boffa North and South blocks, valid from July 2018 to July 2033. The mine holds an estimated 1.75 billion tonnes of bauxite reserves, sustaining over 60 years of extraction, with first-phase output of 12 million tonnes annually feeding Chalco's Shandong and Guangxi alumina refineries. Production began in 2020, boosting China's bauxite self-sufficiency.
Compagnie des Bauxites de Dian-Dian (COBAD) is a wholly-owned subsidiary of Russian aluminum giant UC RUSAL, operating one of the world's largest high-grade bauxite deposits in Guinea's Boké and Kindia regions. Holding proven reserves of approximately 564 million metric tonnes, COBAD launched Phase I operations in 2018 with a USD 220 million investment, achieving a capacity of 3 million tonnes per year. The ore is transported via haul roads to the Taressa River Port for export. Employing 400–600 direct workers, over 90% Guinean nationals, COBAD plays a critical role in securing RUSAL's global alumina supply chain.
La Compagnie des Bauxites de Guinée (CBG), founded in 1963, is one of the world's largest exporters of high-grade bauxite. Based in Kamsar, Guinea, it operates as a joint venture between the Guinean State (49%) and Halco Mining (51%), whose parent consortium includes Alcoa, Rio Tinto Alcan, and Dadco. CBG mines Boké region's exceptional bauxite deposits, transporting ore via a 135-km private railway for processing and export to North America, Europe, and China. Targeting over 25 million metric tons annually, CBG holds ISO certifications and drives Guinea's economy through employment, infrastructure, and substantial state revenue contributions.
Compagnie des Bauxites de Kindia (CBK) is a Guinea-based bauxite mining operation fully managed by Russian aluminum giant RUSAL under a concession extended through 2051. Established in its current form in 2001, CBK mines the Débélé deposits near Kindia using open-pit methods, producing approximately 3.1–3.4 million metric tonnes annually — around 25% of RUSAL's global bauxite supply. Its dedicated railway connects mines to a transshipment port in Conakry for export. Output feeds exclusively into RUSAL's refinery network. With roughly 1,300 employees, CBK remains a stable, mature asset representing about 3% of Guinea's total bauxite exports.
La Compagnie du TransGuinéen (CTG) is a public-private joint venture established to develop and operate the infrastructure backbone of Guinea's Simandou iron ore project. It manages a 600+ km heavy-haul railway and the deep-water Morebaya Port, connecting interior mining blocks to the Atlantic coast. Ownership is split between the Guinean State (15%), Simfer Infraco (42.5%), and WCS Infraco (42.5%). Governed under OHADA law, CTG operates under a Build-Operate-Transfer concession mandating multi-user access for passengers, agriculture, and third-party miners. At full capacity by 2028, it aims to export 120 million tons of iron ore annually, potentially expanding Guinea's GDP by 26% by 2030.
Nimba Mining Company S.A. (NMC) is a Guinean state-owned mining company established by presidential decree in August 2025 under President Mamadi Doumbouya. It was created to take over the bauxite mine previously operated by Guinea Alumina Corporation (GAC), an Emirati firm that failed to build processing facilities over 20 years. Supervised by the Ministries of Mines and Finance, NMC aims to maximize local employment, develop Guinean engineering talent, and advance value-chain sovereignty. Led by French director Patrice L'Huillier, the company seeks to become a national mining champion while maintaining high operational and environmental standards.
SimFer S.A. is a joint venture between the Government of Guinea and SimFer Jersey Limited (owned by Rio Tinto and Chinalco-led CIOH) developing Simandou Blocks 3 and 4 — part of one of the world's highest-grade iron ore deposits in southeastern Guinea. The project includes mining operations, a 78 km rail spur, and port infrastructure, forming Africa's largest mine and infrastructure project when complete. Guided by the values of care, courage, and curiosity under its "Wontanara" culture, SimFer employs over 25,000 people, with more than 82% being Guinean nationals, and has committed over $599 million to local businesses.
Société Minière de Boké (SMB) is Guinea’s leading bauxite producer and one of the world’s largest exporters of aluminum ore. Established in 2014, SMB operates through the SMB-Winning Consortium, a partnership between Winning International Group, United Mining Supply (UMS), Shandong Weiqiao, and the Republic of Guinea. The company has built an integrated mine-to-port logistics network that includes major mining operations in Boké and Télimélé, the 125-kilometer Dapilon-Santou Railway, and river terminals at Dapilon and Katougouma. Producing over 55 million tonnes annually, SMB plays a pivotal role in Guinea’s mining economy while investing in infrastructure, environmental management, and community development initiatives.
United Mining Supply (UMS), founded in 2002 by Fadi Wazni in Conakry, Guinea, is a family-owned integrated logistics and transport group serving West Africa's mining and industrial sectors. With a fleet of over 1,300 trucks and 2,600 employees, UMS provides heavy transport, procurement, civil works, fuel distribution, and aviation services. The company holds a 27% stake in Société Minière de Boké (SMB), Africa's largest bauxite exporter, and a strategic position in the Simandou iron ore megaproject. ISO 9001-certified and ICMI-compliant, UMS expanded into European industrial refining through its 2021 acquisition of Alteo Specialty Aluminas.
Winning Consortium Simandou (WCS) is an international consortium developing Blocks 1 and 2 of Guinea's Simandou iron ore deposit — the world's largest untapped high-grade reserve. Led by Singapore's Winning International Group alongside China Hongqiao, China Baowu Steel, and UMS, WCS has begun exporting ore via the newly built 650 km Trans-Guinean Railway and Morebaya Deepwater Port. Targeting over 10 million tonnes in 2026 and up to 80 Mtpa at full scale, WCS's high-purity ore (65%+ iron) supports global steel decarbonization. Headquartered in Conakry, the consortium operates in close alignment with the Guinean government.