Companies catalogue
- O Odatenyuji Nursery, Ōdate-shi
- ORange SmiLe, Akita-shi
- Oani Nursery, Kitaakita-shi
- Obako Nursery School, Daisen-shi
- Obiraki Nursery, Hirosaki-shi
- Obonai Internal Medicine Clinic, Yahaba-chō
- Obonai Nursery, Senboku-shi
- Oda Internal Medicine Clinic, Noshiro-shi
- Odai Camping Ground, Daisen-shi
- Odaki Nursery, Ōshū-shi
- Odate Municipal General Hospital, Ōdate-shi
- Odate Shiritsu Jonan Nursery, Ōdate-shi
- Odate Shiritsu Jonan Nursery, Ōdate-shi
- Odate Shiritsu Junisho Nursery, Ōdate-shi
- Odateshi Health Center, Ōdate-shi
- Odateshiritsuariura Nursery, Ōdate-shi
- Odateshiritsuhanaoka Nursery School, Ōdate-shi
- Odateshiritsushakanai Nursery, Ōdate-shi
- Oga Shiritsu Funagawa Nursery, Oga-shi
- Oga Shiritsu Tamanoike Nursery, Oga-shi
- Oga Shiyakusho Funakoshi Nursery, Oga-shi
- Ogama Nursery, Takizawa-shi
- Ogaru Nursery, Shiwa-chō
- Ogasawara Clinic, Kazuno-shi
- Ogatamura Kantaku Museum, Ōgata-mura
- Ogatason Ritsu Nursery, Ōgata-mura
- Ogawa Clinic, Yuzawa-shi
- Ogawa Tatami Shop, Shiroi-shi
- Ogawa Tatami Shop, Koshigaya-shi
- Ogawa Tatami Shop, Katsushika-ku
- Ogida Nursery, Ōdate-shi
- Ogura Tatami Shop, Yashio-shi
- Ogura Tatami Shop, Yashio-shi
- Oguri Tatami Shop, Tateyama-shi
- Ohashi Tatami Shop, Yoshikawa-shi
- Ohayo Clinic, Morioka-shi
- Ohisama Nursery, Hanamaki-shi
- Ohisama Nursery, Hanamaki-shi
- Ohisama Nursery, Morioka-shi
- Oikawanaika Clinic, Morioka-shi
- Oiwake Nursery, Katagami-shi
- Okada Tatami Shop, Ryūgasaki-shi
- Okada Tatami Shop Ltd., Sōka-shi
- Okamoto Tatami Shop, Misato-shi
- Okamura Filial Piety Tatami Shop, Tsuchiura-shi
- Okano Tatami Shop, Jōsō-shi
- Okawa Nursery, Gojōme-machi
- Okawanishine Nursery, Daisen-shi
- Okayama Tatami Shop, Kisarazu-shi
- Okayasu Tatami Shop, Katsushika-ku
- Oko Tatami Shop, Yokosuka-shi
- Okubo Gastroenterologist Internal Medicine Clinic, Gojōme-machi
- Okura Tatami Shop, Adachi-ku
- Old Sekizen Liquor Store, Kazuno-shi
- Omachi Internal Medicine Clinic, Hirosaki-shi
- Omagarihigashi Nursery, Daisen-shi
- Omagarikita Nursery, Daisen-shi
- Omi Orthopedic Surgery, Hirosaki-shi
- Omonogawa Nursery, Yokote-shi
- Omusubi Nursery, Kurihara-shi
- One-memory, Akita-shi
- Oni Koube Nursery School, Ōsaki-shi
- Oniyanagi Nursery, Kitakami-shi
- Ono Acupuncture, Ugo-machi
- Ono Nursery, Akita-shi
- Ono Tatami Shop, Inzai-shi
- Onoya Inn, Nishiwaga-machi
- Onsen Guesthouse Sakaeya, 岩手郡雫石町
- Organ Medical, Akita-shi
- Osaki Shiritsu Naruko Junior High School, Ōsaki-shi
- Osato Tatami Shop, Koshigaya-shi
- Osato Tatami Shop, Jōsō-shi
- Osawa Hot Spring, Hanamaki-shi
- Osawa Nursery, Takizawa-shi
- Osawa Onsen Kenji Yukari of self-catering unit Tojiya, Hanamaki
- Oshida Acupuncture, Daisen-shi
- Oshu Shiritsu Esashihigashi Junior High School, Ōshū-shi
- Oshu Shiritsu Esashiminami Junior High School, Ōshū-shi
- Oshu Shiritsu Mizusawa Junior High School, Ōshū-shi
- Oshushiritsuinase Wakaba Garden, Ōshū-shi
- Ota Clinic, Daisen-shi
- Ota Nursery, Daisen-shi
- Ota Nursery, Morioka-shi
- Ota Nursery, Hanamaki-shi
- Ota Tatami Shop, Ishioka-shi
- Otanitakakopiano School, Akita-shi
- Otawa Tatami Shop, Chiba-shi
- Otomo Nursery, Yurihonjō-shi
- Otsuka Tatami Shop, Shirako-machi
- Otsuka Tatami Shop, Chiba-shi
- Otsuka Tatami Shop Ltd., Noda-shi
- Ousanso, Daisen-shi
- Owada Tatami Shop, Toride-shi
- Owani Choritsu Owani Junior High School, Ōwani-machi
- Owani Internal Medicine Clinic, Ōwani-machi
- Oyama Tatami Shop, Yashio-shi
- Oyokyo Renal Laboratory Hirosaki Hospital, Hirosaki-shi
- Oyu Nursery, Kazuno-shi
- Ozawa Dental Clinic, Akita-shi
- Ozawa Tatami Shop, Yokosuka-shi