Companies catalogue
- O-nest, Shibuya-ku
- OBRUZA Creative Production, 渋谷区
- OIOI, Kashiwa-shi
- ONE'S MALL, Chiba-shi
- ORGANiC Salon あった-YOGA BABY&MAMA-, Suginami-ku
- OSTERIA Vincero, Shinjuku-ku
- OTS, 江戸川区
- Oakhouse Nakano, Suginami-ku
- Oakwood Apartments Minami Azabu, 港区
- Oakwood Apartments Shirokane, Minato-ku
- Oakwood Premier Tokyo, Chiyoda-ku
- Oakwood Residence Aoyama, Shibuya-ku
- Oakwood Residence Azabujuban, Minato-ku
- Oasis Orthopedic Clinic, Akashi-shi
- Obana, Arakawa-ku
- Obi Home Assisted Living, Kōbe-shi
- Obusuma Station, Yorii
- Odaiba Water Park, Kōtō-ku
- Office KZ, Nerima-ku
- Office Kitano, Minato-ku
- Oga Ogushi Ophthalmology, Ageo-shi
- Ogikubo Ekimae Clinic, 杉並区
- Ogikubo Velvet Sun, Suginami-ku
- Ogisei, Kawaguchi-shi
- Ohara Water Treatment Plant, Shiki-shi
- Ohashi Estate Agents, Kashima-shi
- Ohatsu, Musashimurayama-shi
- Ohira Orthopedic Clinic, Suginami-ku
- Oi Water Treatment Plant, Fujimino-shi
- Oitekaze-beya Sumo Stable, Sōka-shi
- Oji Central Orthopedic Clinic, Kita-ku
- Oji Elementary School, Akashi-shi
- Oji Pool, Kita-ku
- Okadaen Tea Stall, Kawagoe-shi
- Okahan, Chiyoda-ku
- Okegawa Taxis, Okegawa-shi
- Okegawashi Agriculture Center, Okegawa-shi
- Okegawashi Suehiro 3-chome Community Center, Okegawa-shi
- Okido Resthouse, 新宿区
- Okinaga Eye Clinic, Itabashi
- Oku Station, Kita-ku
- Okuboekikita Bicycle Parking, Akashi-shi
- Okubominami Elementary School, Akashi
- Okudo Total Sports Center, Katsushika-ku
- Okurakaigan Beach Resort, Akashi
- Okurakaiganogata Bus Parking Lot, Akashi
- Okurayama Park Baseball Field, Kobe
- Okurayamaya Baseball Field, Kobe
- OldeRu$h, 渋谷区
- Oliver Peoples, Chūō-ku
- Omashi Care Home, Kasukabe-shi
- Omiya Higashi High School, Saitama-shi
- Omiya Keirin, Saitama
- Omiya Transport Co., Ltd., Saitama
- Omiya monolith, Saitama-shi
- Omori Bell Port, Shinagawa-ku
- On The Marks Kawasaki, Kawasaki
- On-Yasai, Koshigaya-shi
- On-Yasai, Kōbe-shi
- On-Yasai, Kōbe-shi
- Ongaku Italy Go School, Higashimatsuyama-shi
- Onjiki, Kōbe-shi
- Onouematsukaze Hall, Kakogawa-shi
- Onumakoshiki Tennis Center, Kasukabe-shi
- Ookayama Station, Ōta-ku
- Oosawarouho, Saitama-shi
- Ootoya, Saitama-shi
- Oragasoba Shinsyu, Shinjuku-ku
- Oreshiki Jun, Chiyoda-ku
- Oriental Garden ISARA （オリエンタルガーデン イサラ）, Funabashi-shi
- Oritomo moldes, Tsukuba-shi
- Oruweizu Tennis Club, Koshigaya-shi
- Osaehara Orthopedic Clinic, Kōbe-shi
- Osaki New City, Shinagawa-ku
- Oshika Central Research Institute, Itabashi-ku
- Ota Orthopedic Clinic, Kita-ku
- Otaya, Onjuku
- Otemachi Financial North Tower, Chiyoda-ku
- Otemachi Sta., Chiyoda-ku
- Otemachi Toastmasters Club, Chiyoda-ku
- Otome, Saitama-shi
- Otomokazuhirozeirishi Services, Warabi-shi
- Otra, Shibuya-ku
- Otsu Orthopedic Clinic, Akashi-shi
- Otsukakagu, Funabashi-shi
- Otsuma Junior & Senior High School, Chiyoda-ku
- Otsumatamachugakukoto School, Tama-shi
- Oume Tax Office, Oume-shi
- Oumigenji, Shinjuku-ku
- Ousama-to-Watashi, Taitō-ku
- Oushitu, Taitō-ku
- Owada Koen Tennis Center, Saitama-shi
- Owariya, Taitō-ku
- Oxfam, Musashino-shi
- Ozashiki Tenpura Tenmasa, Chiyoda-ku
- O’tacos, Minato-ku
- obi Hostel, Chūō-ku
- okamoto, Minato-ku
- original BAR yu, Akashi-shi
- orso, Minato-ku