Location
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Business Offices
| 1Headquarters (STR CENTER) | 1-4-10 Shimo-ochiai, Shinjuku-ku, Tokyo 161-8540 Japan |
| Research Bases | |
| 2R&D Center | 2-4-6 Shimo-ochiai, Shinjuku-ku, Tokyo 161-0033 Japan |
| Operating Bases | |
| 3Chained Retailer Sales Section 1 & 2 | 1-4-10 Shimo-ochiai, Shinjuku-ku, Tokyo 161-8540 Japan |
| 4Hokkaido Sales Office | 8F CARP Sapporo Building 7-1 Kita-Ichijo Nishi, Chuo-ku, Sapporo City, Hokkaido 060-0001 Japan |
| 5North Japan Branch | 2F HF Sendai Honmachi Building 1-11-1 Honcho, Aoba-ku, Sendai City, Miyagi Prefecture 980-0014 Japan |
| 6Tokyo Metropolitan Branch | 1-4-10 Shimo-ochiai, Shinjuku-ku, Tokyo 161-8540 Japan |
| 7Chubu Branch | 7F Nishiki SIS Building 3-10-33 Nishiki, Naka-ku, Nagoya City, Aichi Prefecture 460-0003 Japan |
| 8Kinki Branch | 9F Shin-Osaka 5th Doi Building 1-2-4 Miyahara, Yodogawa-ku, Osaka City, Osaka Prefecture 532-0003 Japan |
| 9Chugoku-Shikoku Branch | 3F JR Okayama Daiichi NK Building 2-1-1 Ekimae-cho, Kita-ku, Okayama City, Okayama Prefecture 700-0023 Japan |
| 10Kyushu Branch | 2F Echo Building 2-13-34 Hakataeki-higashi, Hakata-ku, Fukuoka City, Fukuoka Prefecture 812-0013 Japan |
| Manufacturing Bases | |
| 11Fukushima Plant | 14-5 Onahamasumiyoshi aza nishi oki, Iwaki City, Fukushima Prefecture 971-8124 Japan |
| 12Saitama Plant | 138-1 Kyoei, Honjo City, Saitama Prefecture 367-0037 Japan |
| 13Kyushu Plant | 1-7-4 Shinmoji, Moji-ku, Kitakyushu, Fukuoka Prefecture 800-0115 Japan |
| 14Kyushu Plant, Kokura Office | 4-7-18 Kuzuhara-higashi, Kokuraminami-ku, Kitakyushu, Fukuoka Prefecture 800-0206 Japan |
Affiliated Companies
| Japan | |
| 1S.T.PRO Co., Ltd. | 1-4-10 Shimo-ochiai, Shinjuku-ku, Tokyo 161-8540 Japan |
| 2S.T.MYCOAL CO.,LTD | 1717, Chizuka-machi, Tochigi City, Tochigi Prefecture 328-0135 Japan |
| 3Japan Aroma Laboratory Co., Ltd. | 1-4-10 Shimo-ochiai, Shinjuku-ku, Tokyo 161-8540 Japan |
| 4CODE Meee Inc. | 6F・9F Soutetsu KS Building 1-11-5 Kitasaiwai, Nishi-ku, Yokohama City, Kanagawa Prefecture 220-0004 Japan |
| Global | |
| 5S.T.(Thailand)Co., Ltd. | 624/1-4 Moo 11 Sukhapiban 8 Nongkham Sriracha Chonburi 20230 Thailand |
| 6Family Glove Co., Ltd.(Taiwan) | No.33, Daye St. Daliao Dist., Kaohsiung City 83162 Taiwan (R.O.C.) |
| 7S.T. Korea Corporation(South Korea) | 5F, 69, WorldCup buk-ro 6-gil, Mapo-gu, Seoul, Republic of Korea |
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