| Mitsui & Co. Mineral Resources Development | 100.00 | - | - | |
| Dedisa Peaking Power (RF) | 25.00 | - | - | |
| Maxpower Thaketa | 44.00 | - | - | |
| HINO MOTORS SALES MEXICO SA DE CV | 65.00 | | - | |
| AES Jordan | 40.00 | - | - | |
| Outback Carbon Pty Ltd | 100.0 | | - | |
| EcoElectrica | 15.00 | - | - | |
| MITSUI & CO. (AUSTRALIA) LTD. | - | | - | |
| Synergen Power | 28.00 | - | - | |
| MEPAU Finance Pty Ltd | 100.0 | | - | |
| Mitpower (Thailand) | 100.00 | - | - | |
| Mitsui & Co Financial Services (Australia) Ltd | - | | - | |
| Compania de Generacion Valladolid | 50.00 | - | - | |
| AES Levant Holding BV Jordan | - | - | - | |
| Mitsui-Kobe Steel | - | - | - | |
| MITSUI & CO. FINANCIAL SERVICES (ASIA) LTD. | - | | - | |
| Mitsui E&P Australia Pty Ltd | 100.0 | | - | |
| Mitsui & Co. Global Investment | - | - | - | |
| MITSUI & CO. COFFEE TRADING (USA), INC. | - | | - | |
| Gulf MP Company | 30.00 | - | - | |
| Mitsui-Itochu Iron | - | - | - | |
| Whitby Cogeneration Limited Partnership | 50.00 | - | - | |
| MITSUI & CO. FINANCIAL SERVICES (EUROPE) PLC | - | | - | |
| PANORA S.P.A. | - | | - | |
| MITSUI RAIL CAPITAL EUROPE B.V. | - | | - | |
| Sakhalin Energy Investment Company Ltd. Sanctioned entity | 12.50 | - | - | |
| Bフードサイエンス株式会社 | - | | | |
| Mitsui Iron Ore Development | 100.00 | - | - | |
| Vina Kyoei Steel | 9.00 | - | - | |
| MITSUI ET CO BENELUX | - | | - | |
| MITSUI & CO. ITALIA SPA | - | | - | |
| Cosaco GmbH | - | | - | |
| Godo Steel | 5.00 | - | - | |
| شركة شناص لتوليد الكهرباء ش م ع م | 50.10 | - | - | |
| 三井情報株式会社 | - | | | |
| MITSUI & CO NORWAY AS | - | | | |
| ACWA Power Moatize Termoelectrica | - | - | - | |
| Avon Peaking Power (RF) | 25.00 | - | - | |
| MITSUI & CO. (ASIA PACIFIC) PTE. LTD. | - | | - | |
| Gulf PD | 30.00 | - | - | |
| MITSUI E&P MIDDLE EAST B.V. | - | | - | |
| Mitsui & Co. Europe Plc | - | | - | |
| MEP South Texas LLC | - | | - | |
| EURO-MIT STAAL B.V. | - | | - | |
| Japan Australia LNG (MIMI) | 50.00 | - | - | |
| MITSUI & CO. (MALAYSIA) SDN. BHD. | - | | - | |
| ORIENTE COPPER NETHERLANDS B.V. | - | | - | |
| Mitsui Agriscience International | - | | - | |
| AWE | 100.00 | - | - | |
| MITSUI DE MEXICO S DE RL DE CV | - | | - | |
| MITSUI & CO. CAMERON LNG SALES LLC | - | | - | |
| MITSUI E&P USA LLC | - | | - | |
| Plalloy MTD B.V. | 100 | | - | |
| MITSUI & CO. FINANCIAL SERVICES (U.S.A.) INC. | - | | - | |
| MOEX NORTH AMERICA LLC | - | | - | |
| ミットパワーインディア株式会社 | - | | | |
| MITSUI BUSSAN COMMODITIES LTD | - | | - | |
| Mitsui Resources | 100.00 | - | - | |
| Mitsui & Co. (Canada) Ltd. | - | | - | |
| Ad Dhahirah Generation Company | 50.10 | - | - | |
| SUBARU AUTOMOTRIZ MEXICO SA DE CV | - | | - | |
| CPGCBL & Mitsui JV | 50.00 | - | - | |
| Mitsui & Co. Energy Trading Singapore Pte. Ltd. | - | | - | |
| Inner Mongolia Erdos Electric Power and Metallurgy Group | 20.16 | - | - | |
| MMTX INC. | - | | - | |
| MITSUI E&P TEXAS LP | - | | - | |
| 3B Power | 50.00 | - | - | |
| มิตซุยแอนด์คัมปนี (ไทยแลนด์) จำกัด | - | | - | |
| Vale Sa | 6.31 | - | - | |
| TOYOTA CHILE S A | 100.000 | | - | |
| FEXPRIME FINANCE PRIVATE LIMITED | - | | | |
| MITSUI E&P UK LIMITED | - | | - | |
| MITSUI BUSSAN GAS & POWER SOLUTIONS B.V. | - | | - | |
| Pelican Point Power | 28.00 | - | - | |
| Yamato Kogyo | - | - | - | |
| NOVUS UK LIMITED | - | | - | |
| MEPAU Perth Basin Pty Ltd | 100.0 | | - | |
| Chubu Steel Plate | 9.20 | - | - | |
| Siam Yamato Steel | 20.00 | - | - | |
| MEPAU P2P Pty Ltd | 100.0 | | - | |
| MITSUI RESOURCES PTY. LTD. | 70.0 | | - | |
| Ras Girtas Power Company | 10.00 | - | - | |
| Total E&P Mozambique Area 1 Ltda | 20.00 | - | - | |
| PT. MITSUI INDONESIA | 99.99 | | - | |
| Gulf SRC | 30.00 | - | - | |
| MITSUI AND CO INDIA PRIVATE LIMITED | - | | | |
| Mitsui Foods, Inc. | - | | - | |
| MITSUI E&P ITALIA B S.R.L. | - | | - | |
| MITSUI BUSSAN COMMODITIES (SINGAPORE) PTE. LTD. | - | | - | |
| MITSUI & CO. (COLOMBIA) LTDA. | - | | - | |
| PT BUSSAN AUTO FINANCE | 58.33 | | - | |
| Safi Energy Company | 30.00 | - | - | |
| Mitsui & Co. Deutschland GmbH | - | | - | |
| MITSUI DE MEXICO S DE RL DE CV | 1.00 | | - | |
| Mitsui Iron Ore Development | 100.0 | | - | |
| 三井物産プロジェクトソリューション株式会社 | - | | - | |
| MBK INVESTMENT MANAGEMENT NETHERLANDS B.V. | - | | - | |
| Trans-Mit Steel Inc. | - | | - | |
| MITSUI E&P ITALIA A S.R.L. | - | | - | |
| 大和かんぽオルタナティブインベストメンツ株式会社 | - | | | |
