| Iwate Prefecture | Morioka Sales Office 21-1, Shimonakayashiki, Kamiota, Morioka City, Iwate 020-0053 |
| Miyagi Prefecture | Sendai Sales Office 1B Takou office, 336-9, Aza Minami, Takou, Natori City, Miyagi 981-1221 TEL: +81-22-395-7389 FAX: +81-22-395-7554 |
| Yamagata Prefecture | Yamagata Satellite Office 6-1, Saiwaicho, Yamagata City, Yamagata 990-0038 |
| Fukushima Prefecture | Koriyama Sales Office 403-1, Doba, Koriyama City, Fukushima 963-8824 |
