Group

ID&E Group Structure

ID&E Holdings, Inc., a holding company established in July 2023, is responsible for the formulation of group-wide strategies and governance, while each operating company promotes its business autonomously and flexibly.

Main Companies

Nippon Koei Co., Ltd.

Nippon Koei Urban Space Co., Ltd.

BDP Holdings Limited

Nippon Koei Energy Solutions Co., Ltd.

Nippon Koei Business Partners Co., Ltd.

Consulting Business

• Nippon Civic Consulting Engineers Co., Ltd. (Chiyoda-ku, Tokyo)
• Geoplan Namtech Inc. (Chiyoda-ku, Tokyo)
• Koei Research & Consulting Inc. (KRC) (Chiyoda-ku, Tokyo)
• Nippon Koei Latin America-Caribbean Co., Ltd. (Chiyoda-ku, Tokyo)
• NIPPON KOEI LAC, INC.（Panama City, Panama）
• NIPPON KOEI LATIN AMERICA - CARIBBEAN, MEXICO S.DE R.L. DE C.V. (Mexico City, Mexico)
• NIPPON KOEI LAC DO BRASIL LTDA.（Sao Paulo, Brazil）
• NIPPON KOEI MOZAMBIQUE, LTDA.（Maputo, Mozambique）
• NIPPON KOEI INDIA PVT. LTD.（New Delhi, India）
• NIPPON KOEI BANGLADESH LTD. (Dhaka, Bangladesh)
• NIPPON KOEI VIETNAM INTERNATIONAL CO.,LTD.（Hanoi, Vietnam）
• PHILKOEI INTERNATIONAL, INC.（Manila, Philippines）
• P.T.INDOKOEI INTERNATIONAL（Jakarta, Indonesia）
• MYANMAR KOEI INTERNATIONAL LTD.（Yangon, Myanmar）
• KOEI AFRICA COMPANY LIMITED（Nairobi, Kenya）
• PT. CIKAENGAN TIRTA ENERGI（Jakarta, INDONESIA）
• NIPPON KOEI MOBILITY SDN.BHD.（Kuala Lumpur, Malaysia）
• PT. IKI-TOYO

Urban & Spatial Development Business

• Tamano Ecost Co., Ltd. (Nagoya city, Aichi)
• Kisho Kurokawa Architect & Associates Co., Ltd. (Chiyoda-ku, Tokyo)
• Nakaze Kamp Co., Ltd.

Energy Business

• KOEI SYSTEM INC. (Chiyoda-ku, Tokyo)
• KOEI Energy Co., Ltd. (Chiyoda-ku, Tokyo)
• NIPPON KOEI ENERGY EUROPE B.V. (Rotterdam, The Netherlands)
• RUIEN ENERGY STORAGE NV

Business management

• Nikki Corporation (Chiyoda-ku, Tokyo)
• Aichi-Tamano Information System Co., Ltd. (Nagoya city, Aichi)
• El Koei Co., Ltd. (Chiyoda-ku, Tokyo)
• NIPPON KOEI AUSTRALIA PTY. LTD.（Sydney, Australia）