• MCC Group of China (former ministry of metallurgy of china)
• 63 subsidiaries of MCC Group China
• TENOVA GROUP
• TENOVA MINING & MINERALS – South Africa
• TENOVA BATEMAN – South Africa
• SIAD Macchine Impianti - Italy
• Tecnicas Hidraulicas (TH) – Spain
• CIMPROGETTI - Italy
• VAMCO– South Africa
• PYLON Gear– South Africa
• MC Process – South Africa
• PrepQuip – South Africa
• DRA Mineral Projects – South Africa
• Donyaye Chemi – Iran
• Paragon Int. – Dubai
• OPT - Advertising, Marketing, Design
• PATCO - Oil Exploration and Drilling
• DMG London – Design and Building
• Mines & Metals Engineering (MME) – Germany
• RHC Heavy Machinery – Germany & China
• STS – Italy
• China National Heavy Machinery Research Institute (SINO Heavymach) - China
• CHALICO – China
• Dalian Heavy Industry and Affiliated Companies - China
• Taiyuan Heavy Industry (TZ) – China
• Sichuan Air Separation Plant Group (SASPG) – China
• China First Heavy Industries (CFHI) – China
• Beijing Beike MASIC Automation Engineering Technology (BKMASIC) – Beijing University- China
• Shanghai Xinzhong Metallurgical Equipment Factory (XZMECO) – China
• China National Electric Engineering Co. (CNEEC) – China
• SEDIN Engineering (China)
• Nantong Yangzi Carbon Co (NANTONG) – China
• Xuzhou Rothe Erde Slowing Bearing (Rothe Erde China)
• Puyang Refractories Group Co. (PRCO)- China
• Maanshan Iron & Steel Company (MaSteel) – China
• Changzhou Baoling Heavy & Industrial Machinery (BLHI) – China
• HUNTSMAN - Italy
• AAK - Denmark
• Jungbunzlauer - Austria
• TUKA Foolad Investment Co and affiliated Companies – Iran
• Nasir Energy Gostar Industrial & Construction Company (NICC) – Iran
• SET Construction Company (SET) – Iran
• KAYSON Engineering & Construction Company (KAYSON) – Iran
• Foolad Technic International Engineering Company (FIECo) – Iran
• Gostaresh Steel Industries Company (GSICO) - Iran
• Barsoo Engineering Company (BARSOO) – Iran
• Foolad Paya Engineering Company – Iran
• Iran Itok (ITOK) – Iran
• IRITEC – Iran
• Fanavaran Somic Engineering & Management Co (SOMIC) - Iran
• Tara Tarh Engineering & Technological Company (TARA TARH) – Iran
• International Systems Engineering & Automation Company (IRISA) – Iran
• Mobarakeh Steel Engineering Company (MSE) – Iran
• IKA Engineering & Technical Inspection Co (IKA) – Iran, Italy, Germany & China
• Kowsar Water Company (KOWSAR) – Iran
• Amyar Poolad Engineering Co (APEC) – Iran
• Iran-Turkeman Shipping Agency – Iran
• Mines & Metals Technological Engineering Co (MMTE) – Iran
• Parsland Mines & Industries Development Company (PAMIDCO) - Iran