Companies catalogue
- ORTメディカル株式会社, Yokohama-shi
- Oak Birejji Golf Club, Ichihara-shi
- Oamishirasatoshi Eiya Baseball Field, 大網白里市
- Oana Tamokuteki Undo Park, Funabashi-shi
- Oaraicho Sogoundo Park, Oarai
- Oda Baseball Field, Kawasaki
- Ogasawara Guitar School, Arakawa-ku
- Ogawa Dental Clinic, Chiba-shi
- Ogawaya Liquor Store, Hiratsuka-shi
- Ogi Kasen Koen Ya Baseball Field, Adachi
- Ogura Liquor Store, Fujisawa-shi
- Ohara Care Home, Abiko-shi
- Oharabokikomuinsenmongakkochibako, Chiba-shi
- Oi Wharf Central Seaside Park Sports Forest Baseball Fields, Shinagawa-ku
- Oi Wharf Central Seaside Park Sports Forest Tennis Court, Shinagawa-ku
- Oichan Obachan Care Home, Katsushika-ku
- Oishiya Baseball Field, Misato-shi
- Oisomikawaya Liquor Store, Ōiso-machi
- Ojimakomatsugawa Koen Shonenundo Park, Kōtō-ku
- Ojimakomatsugawa Park Tennis Courts, Kōtō-ku
- Okayamaakikopiano School, Ōta-ku
- Okudo Sports Center, Katsushika-ku
- Okudokutsuroginogo Care Home, Katsushika-ku
- Okura Chiba Hotel, Chiba-shi
- Old Thailand Shimbashi, Minato-ku
- Olive Chao, Tsuchiura
- Omigawa Orthopedic Clinic, Katori-shi
- Omigawajoyama Park, Katori
- Omitamashi Tamari Sports Park, Omitama
- Omiya Sports Park, Chiba-shi
- Omori Care Home, Ōta-ku
- Omori Music School, Ōta-ku
- Omorihigashiayame Care Home, Ōta-ku
- Omorihigashimizube Sports Park, Ōta-ku
- Omoriminami Piano School, Ōta-ku
- Onaridai Park Tennis Courts, Chiba-shi
- Ongakunomori―morinopiano Music School, Yachiyo-shi
- Onishi Music School, Ichihara-shi
- Ootoya, Ichihara-shi
- Ootoya, Chiba-shi
- Open A, Chūō-ku
- Orange Garden Care Home, Funabashi-shi
- Orange(オレンジ)株式会社, Narita-shi
- Orin High School, Chiba-shi
- Osaka Ohsho, Tomisato-shi
- Osaka Ohsho, Chiba-shi
- Osaka Ohsho, Chiba
- Otake Bridge Park Tennis Courts, Adachi-ku
- Otaki Veterinary Hospital, Funabashi-shi
- Otakicho Assisted Living, Ōtaki-machi
- Otakicho B & G Ya Baseball Field, Ōtaki-machi
- Otakifudosonkinzo Temple, Funabashi-shi
- Otaku Kumin Park, Ōta-ku
- Otashoyuen Care Home, Ōta-ku
- Otonanotamenogassho School, Ichikawa-shi
- Otsu Liquor Store, Fujisawa-shi
- Otsugaoka Central Park, Kashiwa
- Otsuka Tamokuteki Field, 白子町
- Ouchi Violin Viola School, Edogawa-ku
- Outdoor Chill Dining WARMTH ウォームス 柏【かしわ ダイニングバー バル カレー】, Kashiwa-shi
- Oyazu Sports Park Pool, Narita-shi
- Oyazuundo Koen Ya Baseball Field, Narita-shi
- Oyumino Music School, Chiba-shi
- Ozawa Liquor Store, Hiratsuka-shi
- Ozeki Liquor Store, Fujisawa-shi
- Ozeundo Park, Yashio-shi
- okeba gallery & shop, Chigasaki-shi
- orb, Chiba-shi