| Company name: | Asahi Industries Co., Ltd |
| President: | Noriyuki Nakamura |
| Established: | October 29, 1991 |
| Head office address: | Daiwa Higashi Ikebukuro Building, 3-23-5, Higashi Ikebukuro, Toshima-ku, Tokyo
170-0013, Japan Phone: (+81)3-3987-2161 |
| Business: | Production and sale of deformed bars, including screw rebars Production and sale of structural bars |
| Capital stock (million yen): | 2,190 |
| Group controlling share (%): | 100 |
| Company name: | Mitsuboshi Metal Industry Co., Ltd. |
| President: | Daigou Kaneko |
| Established: | January 1951 |
| Head office address: | 736, Koseki, Tsubame, Niigata pref. 959-1286, Japan Phone: (+81)256-61-1000 |
| Business: | Manufacture and sale of reinforcing bars |
| Capital stock (million yen): | 480 |
| Group controlling share (%): | 100 |
| Company name: | Tokai Steel Corporation |
| President: | Takashi Morimitsu |
| Established: | April 1, 2000 |
| Head office address: | 1-banchi, Oaza Anse, Wakamatsu-ku, Kitakyushu-shi, Fukuoka 808-0022, Japan Phone: (+81)93-752-1611 |
| Business: | Manufacture and sale of reinforcing bars |
| Capital stock (million yen): | 450 |
| Group controlling share (%): | 100 |
| Company name: | Gotetsu Sangyo Co., Ltd. |
| President: | Yoichi Nishijima |
| Established: | July 1947 |
| Head office address: | Dojima Axis Building 13F 2-28, Dojimahama 2-chome Kita-ku, Osaka 530-0004,
Japan Phone: (+81)6-6344-0728 |
| Business: | Sale of steel products,machinery,and raw material for steel making |
| Capital stock (million yen): | 296 |
| Group controlling share (%): | 100 |
| Company name: | Wire Techno, Ltd. |
| President: | Masuo Matsumoto |
| Established: | April 1998 |
| Head office address: | 3-8, Imazu-kita 3-chome, Tsurumi-ku, Osaka 538-0041, Japan Phone: (+81)6-6961-1751 |
| Business: | Manufacture and sale of wire products |
| Capital stock (million yen): | 499 |
| Group controlling share (%): | 85 |
| Company name: | Godo Ceramics Ltd. |
| President: | Satoru Hirasawa |
| Established: | October 1947 |
| Head office address: | 936, Inbe, Bizen, Okayama pref. 705-0001, Japan Phone: (+81)869-64-3347 |
| Business: | Manufacture and sale of firebricks |
| Capital stock (million yen): | 45 |
| Group controlling share (%): | 83.2 |
| Company name: | Gotetsu Osaka Buturyu Co., Ltd. |
| President: | Yoshiyuki Udoh |
| Established: | February 1980 |
| Head office address: | 1-2, Nishijima 1-chome, Nishiyodogawa-ku, Osaka 555-0042, Japan Phone: (+81)6-6472-8298 |
| Business: | Trucking |
| Capital stock (million yen): | 15 |
| Group controlling share (%): | 100 |
| Company name: | Nihon Senko Co., ltd |
| President: | Satoshi Kurisu |
| Established: | May 1970 |
| Head office address: | 2946, Nakajima, Shikama-ku, Himeji, Hyogo pref. 672-8035, Japan Phone: (+81)79-235-7043 |
| Business: | Industrial waste disposal Manufacture and sale of ballast |
| Capital stock (million yen): | 20 |
| Group controlling share (%): | 100 |
| Company name: | Funabashi Kiko Co., Ltd |
| President: | Souji Taguchi |
| Established: | January 1982 |
| Head office address: | 2-1, Minami-kaijin, 2-chome, Funabashi, Chiba pref. 273-0023, Japan Phone: (+81)47-431-2095 |
| Business: | Transport and transfer of products on Funabashi Works premises |
| Capital stock (million yen): | 17 |
| Group controlling share (%): | 100 |
| Company name: | Kanto D-Bar Steel Corporation |
| President: | Tomoyuki Fujita |
| Established: | October 2019 |
| Head office address: | 〒100-0005 10th Floor, Marunouchi Central BLDG, 9-1, Marunouchi 1-chome, Chiyoda-ku, Tokyo 100-0005, Japan Phone: (+81)3-6267-0030 |
| Business: | Intermediation regarding sales of steel bars, secondary machined products related to them and auxiliary products, other services. |
| Capital stock (million yen): | 10 |
| Group controlling share (%): | 100 |
| Company name: | Nakayama Steel Products Co., Ltd. |
| President: | Masanori Muraki |
| Established: | May 1950 |
| Head office address: | 2-133, Nishijima 1-chome, Nishiyodogawa-ku, Osaka 555-0042, Japan Phone: (+81)6-6471-5881 |
| Business: | Manufacture and sale of reinforcing bars |
| Capital stock (million yen): | 2,390 |
| Group controlling share (%): | 45 |
| Company name: | Himeji Tekko Refine Co., Ltd. |
| President: | Akihiko Minami |
| Established: | February 1974 |
| Head office address: | 1598, Nakajima, Shikama-ku, Himeji, Hyogo pref. 672-8035, Japan Phone: (+81)79-234-6033 |
| Business: | Electric furnace dust disposal Manufacture and sale of crude zinc oxide |
| Capital stock (million yen): | 36 |
| Group controlling share (%): | 50 |
