Click on each member to see details of the company.

BTBex, Inc.
Aizawa Group strategy, system, and electric sales advisor. The company is based in Delaware USA.
Seiko Logistics, Inc
Responsible for the shipping of Aizawa products nationwide.
Taisei RMC, Inc
RMC plant leased by Aizawa Koatsu.
Taishojitugyo, Inc
Aizawa Group stock holding company. Responsible for land management and aquisition.
Biratori Gyari Industry, Inc
Aizawa Group material provider. Also supplies companies in the east Iburi area.
Maikoma Seven, Inc
Main partner with 6 other companies. Main business is the Maikoma Block, which it developed, patented and produces. Also carries out Marketing and sales of the Block.
Donan Concrete, Inc
Aizawa Group link company. Main business is exchange and development of technology and sales of RMC in the Shiraoi area.
Hokkaido Ryoko Concrete, Inc
RMC production company purchased from Mitsubishi Materials.
Oops Corporation
Newly formed concrete company that uses a wet mixing process, produced by automated factories. IT Division also maintains and develops the group-wide network.
Aizawa Concrete Corporation
Aizawa Group core company. Responsible for second product concrete production, RMC production and market expansion.
Aizawa Asacon, Inc
Partnership between Taiheiyo cement and Aizawa Group. Sales of RMC in the Sapporo and Tomakomai areas, and product development.
Aizawa Company
Aizawa group head company. Main business is product sales, material purchase, lease rental and development.
Shizunai Gyari Industry, Inc
Aizawa group material supplier. Also supplier to Hidaka area companies.