D-Circle, Inc.
Sales of package software and package software development

eMBLEM Co., Ltd.
Development of software, local area network and sales of computer

CONFIDENTIAL SERVICE Co., LTD.
Outsourcing of information systems

AUREOLE INFORMATION TECHNOLOGY INC.
Efficient and low cost development of web based software correspond to the internet

INTER-TECHNOLOGY INFRASTRUCTURE RESEARCH CO., LTD.
Research on the trend of American computer industry

HOPS CO., LTD.
Development of software

ARUMU SYSTEM Corp.
Development of software

H.K.S. Corp.
Development of software

T.S. Corp.
Development of software

MA.F.E. Corp.
Development of software

ACT-T CO., LTD.
Total coordination of development, manufacturing and marketing of new resin products

AUREOLE BUSINESS COMPONENTS & DEVICES INC.
Producing and manufacturing of molding products

SAGAMI KASEI KOGYO CO., LTD.
Machining and consignment of medical products

AUREOLE MITANI CHEMICAL & ENVIRONMENT INC.
Production and sales of chemical

AUREOLE CONSTRUCTION SOFTWARE DEVELOPMENT INC.
Design business such as creation of working drawing, and estimation service

Mitani Juken Hanbai Co., LTD.
Sales of household equipment and construction products

Mitani Sangyo Constructions Co., Ltd.
Sales of household equipment and construction products

INTENZA Co., Ltd.
Manufacturing and sales of kitchen units and storage systems

Denka Namakon Takayama Co., Ltd.
Manufacturing and selling of soft concrete

Fujii Kucho Kougyo Co., Ltd.
Design and construction of air conditioning, water supply and drainage, and electric equipment

Mitani Sangyo E.C. Co., Ltd.
Sales of petrochemical, chemical and ceramic products

Mitani Gas Co., Ltd.
Sales of LPG, oil products, and household equipment

Mitani Investment Co., LTD.
Investment to intra-venture bussiness

San'ei Take-Care Co., Ltd.
Maintenance and management of condominiums and buildings

Pear Investment PTE LTD
Investment and lending to overseas subsidiaries

Soie Road Company Ltd.
Management of restaurant

Adonis Co., Ltd.
Sales of cellular phone

Nikko Company
Each field of pottery & porcelain, electronic ceramics and housing & environmental equipment

Hokuriku Computer Service Co., Ltd.
Sales of computers, software development and a trustee of calculation

Visage Kanri Co., Ltd.
Management of a building and a parking lot