Taisho Kogyo Co., Ltd.
| Established | April 1939 |
| Head Office | 3-12-23, Kitahorie, Nishi-ku, Osaka-shi, Osaka 550-8585, Japan |
| Capitalization | 95.2 million yen |
| President | Midori Miki |
Mainly involved in real estate (building) leasing, business activities include the management of the No. 1 and No. 2 Miki Buildings in Nihonbashi, Chuo-ku, Tokyo, and the No. 3 Miki Building in Higashi Daiku-machi, Tokushima.
Awa Paper Mfg. Co., Ltd.
| Established | February 1916 |
| Head Office | 10-18, Minamiyaso-cho 3-chome, Tokushima-shi, Tokushima 770-0005, Japan |
| Capitalization | 1,060 million yen |
| President | Yasuhiro Miki |
| URL | http://www.awapaper.co.jp/e/ |
The 12th Yokichiro Miki was the prime mover behind the establishment of this company, the first manufacturer of machinery to produce Japanese paper in Tokushima Prefecture. The company embarked on a program to focus on the manufacture of specialty papers from the mid-1950s, currently enjoys a high market share for various kinds of filter paper, and separator stencil paper.. The company constantly strives to develop and commercialize high quality specialty papers.
Sankyo Shoji Co., Ltd.
| Established | May 1947 |
| Head Office | 5-8-3, Bandai-cho, Tokushima-shi, Tokushima 770-0941, Japan |
| Capitalization | 20 million yen |
| Chairman | Yokichiro Miki |
| President | Atsushi Sumi |
The company was established under the 13th Yokichiro Miki initiative. Handling industrial chemicals, agrochemicals, construction materials from its base in Tokushima Prefecture, this trading company is making further inroads into markets throughout the Shikoku region. In recent years, the company has entered the communications business field, acting as a general sub-agency in Tokushima Prefecture for mobile phone operator NTT Docomo.
