• Mitsui Fudosan Residential Co.,Ltd.
• Mitsui Real Estate Sales Co.,Ltd.
• Mitsui Home Co.,Ltd.
• MITSUI Designtec Co.,Ltd.
• Mitsui Home Remodeling Co.,Ltd.
• Mitsui Home Estate Co., Ltd.
• Mitsui Fudosan Housing Service Co.,Ltd.
• Mitsui Fudosan Housing Service Kansai Co.,Ltd.
• MF Housing Service Hokkaido Co.,Ltd.
• MF Housing Service Tohoku Co.,Ltd.
• MF Housing Service Chugoku Co.,Ltd.
• MF HOUSING SERVICE KYUSYU Co.,Ltd.
• Mitsui Fudosan Housing Lease Co.,Ltd.
• Uniliving Co.,Ltd.
• Daiichi Engei Co.,Ltd.

• Mitsui Fudosan Building Management Co.,Ltd.
• First Facilities Co.,Ltd.
• First Facilities West Co., Ltd.
• Nippon Building Fund Management Ltd.

• LaLaport management Co.,Ltd.
• Mitsui Fudosan Frontier REIT Management Inc.

• Mitsui Fudosan Hotel Management Co.,Ltd.
• Celestine Hotel Co.,Ltd.
• Mitsui Fudosan Housing Lease Co.,Ltd.
• Mitsui Fudosan Accommodations Fund Management.

• Mitsui Fudosan Investment Advisors, Inc.

• Kyusin Kaihatsu Inc.
• Mitsu Fudosan Resort Co.,Ltd
• LA TOURS,INC.

• Mitsui Fudosan America, Inc.
• Mitsui Fudosan (U.K.) Ltd.
• Halekulani Corporation
• TID Pte. Ltd.

• Tokyo Midtown Management Co.,Ltd.
• MF Construction Advisers, Inc.
• Daiichi Engei Co.,Ltd.
• Cany Corporation
• LA TOURS,INC.

• Mitsui Interbusiness Research Institute.
• The Mitsui Public Relations Committee
• Mitsui Bunko