Nakatsu Industry Co., Ltd.
| Address | 326-5 Komanba, Nakatsugawa City, Gifu Prefecture 〒508-0011 |
| Established | August 1960 |
| Capital | 40,000,000 JPY |
| Website | http://www.keito-s.co.jp/nakatsu/ |
| Description of business | ・ Casting and processing of zinc die-cast products; designing, production, and sales of molds |
Keito Seiki Co., Ltd.
| Address | 4869 Naegi, Nakatsugawa City, Gifu Prefecture 〒508-0101 |
| Established | May 1983 |
| Capital | 20,000,000 JPY |
| Website | http://www.keito-s.co.jp/ |
| Description of business | Fabrication of molds for die-casting |
MINO Co., Ltd.
| Address | 2700 Nishi-Minowa, Ina City, Nagano Prefecture 〒399-4501 |
| Established | January 1995 |
| Capital | 20,000,000 JPY |
| Website | http://nuan.jp/ |
| Description of business | ・Manufacture, sales, and installation of handrails made of aluminum and other metals ・Manufacture and sales of building materials ・Design and construction of stores and outlets ・Interior decorating and finishing work ・All operations incidental to the preceding items |