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Corporate Creed

No company exists without
social contributions and competence

A company cannot exist without contributing to society
and can only contribute to society with its technology

Trade name Hiyoshi Corporation
Date of foundation March 1955
Date of establishment December 23, 1958
Capital 20 million yen
Fiscal Year-end End of March
Representatives Keiko Nishino, Chairman
Tadashi Suzuki, President
Number of employees 346
License / Accreditations Total of 2134 personal licenses / 95 business accreditations
Industrial property and rights (patents, etc.) 7
Main Office
908 Kitanosho, Omihachiman, Shiga 523-0806
Tel:+81-748-32-5111 Fax:+81-748-32-3339
Access map
Tokyo Branch
Akasaka RH Building, 9-1-7 Akasaka, Minato-ku, Tokyo 107-0052
Tel:+81-3-5772-6073 Fax:+81-3-5772-6074
Yokohama Branch
2-10-12 Fukuura, Kanazawa-ku, Yokohama, Kanagawa 236-0004
Tel:+81-45-783-4883 Fax:+81-45-783-4883
Osaka Branch
Hiro Building 6F, 2-2-21 Tenma, Kita-ku, Osaka 530-0043
Tel:+81-6-6881-5536 Fax:+81-6-6881-2739

[Affiliated companies]

Shonan Analysis & Consulting Service, Co. Ltd.
2-10-12 Fukuura Kanazawa-ku, Yokohama, Kanagawa 236-0004, Japan
Tel:+81-45-780-6180 Fax:+81-45-780-6181
Official website
Hiyoshi India Ecological Services Private Limited
Module No: 201 & 202,2nd Floor, TICEL Biopark, CSIR Road, Taramani, Chennai 600 113, Tamilnadu, India
TEL +91-44-4305-1111
Official website
Xenobiotic Detection Systems International, Inc.
1601 E. Geer Street Suite S, Durham, NC 277704, USA
TEL +1-919-688-4804
Official website