Ilya Corporation
Kobori Research Complex Inc.
Armo Architects & Engineers
ARTES Corporation
Engineering & Risk Services Corporation
Retec Engineering Inc.

Taiko Trading Co., Ltd.
Chemical Grouting Co., Ltd.
Kajima Road Co., Ltd.
Japan Sea Works Co., Ltd.
Nippon Foundation Engineering Co., Ltd.
Chuo Industries Co., Ltd.
Kajima Regional Engineering Support & Services East
Kajima Mechatro Engineering Co., Ltd.
Kajima Aquatech Corporation
Kajima Regional Engineering Support & Services West
Grout Trading Co., Ltd.
KRC Co., Ltd.
Clima-Teq Co., Ltd.
Kyowa Kensetsu Kogyo Co., Ltd.

Kajima Tatemono Sogo Kanri Co., Ltd.
Kajima Tokyo Development Corporation
East Real Estate Co., Ltd.
Kajima Tohoku Kosan Co., Ltd.
Kajima Yaesu Kaihatsu Co., Ltd.
Niigata Bandaijima Building Co., Ltd.

Katabami Kogyo Co., Ltd.
Kajima Leasing Corporation

Kajima Service Co., Ltd.
Creative Life Corporation
Environment Management Corporation
Human Life Services Co., Ltd.
Act Technical Support Inc.
Plus Alpha, Ltd.
Toshi Kankyo Engineering Co., Ltd.
Act Engineering Inc.
Public Relations Officer Corporation
Techno Wave Corporation
Toyama Green Food Recycle, Inc.
Green Materials Recycle Corporation
PM Square Co., Ltd.

Kajima Institute Publishing Co., Ltd.
Kajimavision Productions Co., Ltd.
Yaesu Book Center Co., Ltd.

Azuma Kanko Kaihatsu Co., Ltd.
Hotel Kajima no Mori
Kajima Resort Corporation
Atema Kogen Resort Inc.
Nasu Resort Corporation
Shinrinkohen Golf Club
Kajima Karuizawa Resort Inc.