Our organization is composed of all essential departments as an Engineering company. We can execute almost the whole project independently.

3-5-1 Harumi, Chuo-ku, Tokyo

TEL +81-(0)3-5560-6511
WEB https://www.tsk-g.co.jp/en/index.html

3-5-1, Harumi, Chuo-ku, Tokyo 104-0053

TEL +81-(0)3-5560-6031   FAX +81-(0)3-5560-6454
WEB https://www.tjas.co.jp/en/

Equipment and plant design, manufacture, and construction services for water purification plants, sewage treatment plants, biomass usage facilities, and sludge recycling facilities. Operating public-private partnership projects, including PFI, DBO, and digestive gas power generation projects.

3-5-1, Harumi, Chuo-ku, Tokyo 104-0053

TEL +81-(0)3-5560-6427   FAX +81-(0)3-3536-0575
WEB https://www.tsukishimakikai.co.jp/en/

Design, manufacture, and sale of plant systems and equipment for advanced fields such as battery components and life science fields such as pharmaceuticals, food products, and cosmetics.

3-5-1, Harumi, Chuo-ku, Tokyo 104-0053

TEL +81-(0)3-6758-2310   FAX +81-(0)3-6758-2324
WEB https://www.tske.co.jp/en.html

Design, manufacturing, and sales of environment improvement systems and equipment. Design, manufacturing, and sales of systems and equipment for chemical engineering and general industry.

4-4, Kojima-cho, Kawasaki-ku, Kawasaki-city, Kanagawa 210-0861

TEL +81-(0)44-266-0226   FAX +81-(0)44-299-0961
WEB https://www.sanshinj.co.jp/

Plant equipment manufacturing such as pressure vessels and heat exchangers. Equipment manufacturing, construction and repairs.

1-38, Yumebutai, Awaji-shi, Hyogo 656-2306

TEL +81-(0)799-72-0080   FAX +81-(0)799-72-0040
WEB http://www.primix.jp/en/

Productions, sales and system engineering of emulsifying, pulverizing, dispersing and kneading equipment. Research and new product development in emulsification and dispersion.

737-55, Shimo Ishikawa, Kanuma-city, Tochigi 322-0017

TEL +81-(0)289-72-0371   FAX +81-(0)289-72-0381
WEB http://www.set-g.co.jp/

Intermediary treatments of industrial and nonindustrial waste (incineration),and power generation business by thermal recycling.

3-5-1, Harumi, Chuo-ku, Tokyo 104-0053

TEL +81-(0)3-3533-4824   FAX +81-(0)3-3536-0968

Printing and bookbinding of drawings, and general documents, Real estate management and leasing, such as office building, parking lot.

3-7, Saga 1-chome, Koto-ku, Tokyo 135-0031

TEL +81-(0)3-5245-7150   FAX +81-(0)3-5245-7155
WEB https://www.tjtm.tjas.co.jp/

Operation, maintenance management, and repairing, improving, and updating work at water and wastewater treatment facilities. Sales of industrial chemicals. Sales of equipment and fixtures related to environment facilities.

1450, Ryoke, Kakegawa-shi, Shizuoka 436-0038

TEL +81-(0)53-724-5531   FAX +81-(0)53-724-5518
WEB https://www.tsk-g.co.jp/tjms/

Manufacture, sale, and repairing of water treatment facilities.