Companies catalogue
- O and S Vegetarian, Kwun Tong
- O' Hotel, To Kwa Wan
- O'Neill, West Kowloon
- OAM 餐飲顧問及市場策劃, Kwai Chung
- OBJECT TERRITORIES, Central
- OK DENTAL GROUP LTD, Yau Ma Tei
- OM Yoga & Wellness, Central
- ONE HOMANTIN, Quarry Hill
- OPPA COFFEE BAR RESTAURANT, Tsim Sha Tsui
- OSIM, Sha Tin
- OSIM, Yuen Long
- OSIM 健康焦點, West Kowloon
- OSIS Technologies, Quarry Bay
- OVOCAFE central, Hong Kong
- OZ Management, 中環
- Oaky, Causeway Bay
- Oblate Primary School, To Kwa Wan
- Occupational Safety Service - Accident Analysis and Information Division, Central
- Ocean Angel HK LTD, Tsim Sha Tsui
- Ocean City Hotel - Tung Choi Street, Mong Kok
- Ocean Cyber City, Mong Kok
- Ocean Gallery, Chuk Un
- Ocean Inn 宏洋旅店, Jordan
- Ocean Shore Club House, Tiu Keng Wan
- Ocean Wifi Hotel, Prince Edward
- Ocio Restaurant, Tai Wai
- Office of the Government Chief Information Officer, Wan Chai
- Ofée, 銅鑼灣
- Ogawa, West Kowloon
- Ogawa, Tsing Yi
- Ogawa, Kwai Fong
- Oh Sweet, Tsat Tsz Mui
- Ohana, Wan Chai
- Oi Kwan Fast Food Shop, Kwun Tong
- Oi Kwan Road Baptist Church Lui Kwok Pat Fong Kindergarten, Wan Chai
- Oi Man Sang, Sham Shui Po
- Oisca Japanese Kindergarten, North Point
- Okashi Land, Sha Tin
- Okia Optical Company Limited, Cheung Sha Wan
- Old Bazaar Kitchen, Wan Chai
- Old Captain Restaurant, Tsim Sha Tsui
- Old San Yang, Causeway Bay
- Oliver's Super Sandwiches, Kowloon Bay
- Oliver’s Super Sandwiches, 中信城市广场
- Ommie Patisserie, Tai Kok Tsui
- On Board Marine Group Ltd, Wong Chuk Hang
- On Stage Events & Communications 大舞臺, Kwun Tong
- On Tak Road Playground, Ngau Tau Kok
- On-Street Motorcycle Parking Spaces, Prince Edward
- On-Street Motorcycle Parking Spaces, Hammer Hill
- On-Street Motorcycle Parking Spaces, Ngau Tau Kok
- On-Street Motorcycle Parking Spaces, Ngau Tau Kok
- On-Street Motorcycle Parking Spaces, Ngau Tau Kok
- On-Street Motorcycle Parking Spaces, Kwun Tong
- On-Street Motorcycle Parking Spaces, Tai Ping Shan
- On-Street Motorcycle Parking Spaces, Shau Kei Wan
- On-Street Motorcycle Parking Spaces, Yau Tong
- On-Street Motorcycle Parking Spaces, Hung Hom
- On-Street Motorcycle Parking Spaces, Un Chau
- On-Street Motorcycle Parking Spaces, Kowloon City
- On-Street Motorcycle Parking Spaces, Chai Wan
- Onbase HK Ltd, Yuen Long
- One More Hot pot 來一鍋, Causeway Bay
- One Prestige, North Point
- One Yoga, Wan Chai
- One-pass investors limited company, Causeway Bay
- Onward Technology Development Limited, Sha Tin
- Oonami Jappanese & Oyster Restaurant, Kennedy Town
- Open Eyecare Optical Centre海明視力眼科中心, Kwun Tong
- Operation Dawn Limited, Tong Mi
- Oppa - bar, Mong Kok
- Optical 88, Tseung Kwan O
- Optical88, Quarry Bay
- Optimal Taste, Kwai Chung
- Optometric Practitioners (HK) Ltd, Mong Kok
- Optometrist - Elke WU & Associates (胡慧玲眼科視光師), Wan Chai
- Or Chi Kong Doctors - Mong Kok, Mong Kok
- Orange Elephant Thai Restaurant, Kowloon City
- Orchard Garden Cafe & Restaurant, Mong Kok
- Orchard Garden Cafe & Restaurant, Mong Kok
- Orchard Garden Cafe & Restaurant, Jordan
- Orchard Garden Cafe & Restaurant - Causeway Bay, Causeway Bay
- Orchid Garden Restaurant, Sha Tin
- Oriental Kingdom Restaurant, Yau Tong
- Oriental Spa, Central
- Osim, Causeway Bay
- Osim, San Po Kong
- Osim, Metro City
- Osteria Ristorante Italiano, Tsim Sha Tsui
- Oto, Metro City
- Our Daily Bread Ministries, Grand Rapids
- Our Lady's Kindergarten, Chuk Un
- Our Paradise Wedding Workshop, Kwun Tong
- Our Pasta Restaurant, Tsuen Wan
- Oversea Chinese Travel and Trading Company, Yau Ma Tei
- Oxford House, Quarry Bay
- Oxford House Car Park, Hong Kong
- Oxford Road Playground, Kowloon Tsai
- odd750 wine cellar, Kwun Tong
- officeplus @Wan Chai, Wan Chai