| Building Business | International Business | Hotel Business |
| Residential Business | Architectural Design & Engineering | Real Estate Services |
| Urban Development & Investment Management | Custom-Built Housing | Others |
| * Consolidated Subsidiaries ** Equity-Method Affiliates |
Building Business
Building Leasing Business
| Sunshine City Corporation* |
| Yokohama Sky Building Co., Ltd.* |
| Tokyo Kotsu Kaikan Co., Ltd.* |
| Chelsea Japan Co., Ltd.* |
|
Building Management Business
| Mitsubishi Estate Building Management Co., Ltd. * |
| Mitsubishi Jisho Retail Property Management Co., Ltd.* |
| Mitsubishi Jisho Property Management Co., Ltd.* |
| Yuden Building Kanri Co., Ltd.* |
| Hokuryo City Service Co., Ltd.* |
| IMS Co., Ltd.* |
| Sunshine BS Corporation* |
| O.A.P. Management Co., Ltd.** |
| |
Parking Business
| Grand Parking Center Co., Ltd.* |
| Tokyo Garage Co., Ltd.* |
| |
District Heating and Cooling Business
| Marunouchi Heat Supply Co., Ltd.* |
| Ikebukuro District Heating and Cooling Co., Ltd.* |
| O.A.P. D.H.C. Supply Co., Ltd.** |
| Minato Mirai 21 D.H.C Co., Ltd.** |
| |
Others
Residential Business
Real Estate Sales
| TOWA REAL ESTATE DEVELOPMENT CO., LTD.* |
| |
Residence Management Business
| Izumi Park Town Service Co., Ltd.* |
| Mitsubishi Jisho Towa Community Co., Ltd.* |
| MT Community Staff Co., Ltd.* |
| |
Recreational Facility
| Higashinihon Kaihatsu Co., Ltd.* |
| MEC Urban Resort Tohoku Co., Ltd.* |
| Sakura Golf Development Co., Ltd.** |
| |
Others
| Ryoei Life Service Co., Ltd.* |
| Tsunagu Network Communications, Inc.** |
| |
Urban Development & Investment Management
| Mitsubishi Jisho Investment Advisors, Inc.* |
| Ascott International Management Japan Co., Ltd.** |
| Japan Real Estate Asset Management Co., Ltd.* |
| |
International Business
| Rockefeller Group, Inc. (RGI) * |
| Mistsubishi Estate New York Inc.* |
| MEC UK Limited * |
| Mistsubishi Estate Asia Pte. Limited |
| |
Architectural Design & Engineering
Custom-Built Housing
| Mitsubishi Estate Home Co., Ltd.* |
| Mitsubishi Estate Housing Components Co., Ltd.* |
| |
Hotel Business
| |
Real Estate Services
| Mitsubishi Real Estate Services Co., Ltd.* |
| |
Others
| MEC Information Development Co., Ltd.* |
| MEC Human Resources, Inc.* |
| Keiyo Tochi Kaihatsu Co., Ltd.* |
| |
