Companies catalogue
- O' Farm, Tin Shui Wai
- O'Farm, Sha Tin
- O'Farm, 沙田大圍
- O'Farm, Lo Fu Ngam
- O'Farm 綠盈坊有機店 (上水彩園分店), Sheung Shui
- O'Farm 綠盈坊有機店 (彩雲分店), Ngau Chi Wan
- O'Farm 綠盈坊有機店 (沙田好運分店), Sha Tin
- O'Farm 綠盈坊有機店 (鑽石山分店), Diamond Hill
- O'Farm 綠盈坊有機店 (頌安分店), Ma On Shan
- O'Farm 綠盈坊有機店 (馬鞍山分店), Ma On Shan
- O's Optical, Yuen Long
- OCS, To Kwa Wan
- OK便利店, 粉嶺
- OK便利店, Sheung Shui
- OK便利店, Sheung Shui
- OK便利店, Sheung Shui
- OK便利店, 粉嶺
- OK便利店, Hung Shui Kiu
- OK便利店, Tin Shui Wai
- OK便利店, Tin Shui Wai
- OK便利店, Yuen Long
- OK便利店, Yuen Long
- OK便利店, Tuen Mun
- OK便利店, Tuen Mun
- OK便利店, Tin Shui Wai
- OK便利店, Tin Shui Wai
- OK便利店, Tin Shui Wai
- OK便利店, Yuen Long
- OK便利店, Yuen Long
- OK便利店, Yuen Long
- OK便利店, Ho Man Tin
- OK便利店, Hung Hom
- OK便利店, 太古
- OK便利店, Kwun Tong
- OMEGA Boutique, Tsim Sha Tsui
- OMEGA Boutique - DFS T Galleria Hong Kong, Tsimshatsui
- OMEGA Boutique - Tsim Sha Tsui Hanoi Road, Tsim Sha Tsui
- ONE COSMEDIC 壹美健, 銅鑼灣
- OSIM, Kowloon Bay
- OSIM (AEON 荃灣店灣景廣場購物中心2樓電器部), Tsuen Wan
- OSIM (上水廣場4樓409B號舖), Sheung Shui
- OSIM (屯門市廣場1期2樓2083 - 2087號舖), Tuen Mun
- OSM Wine, Tsuen Wan
- OTO, Yuen Long
- OTO, Causeway Bay
- OVO Flagship Store, Wan Chai
- Oasis Beauty 水磨坊, Sha Tin
- Ocean Barber Shop & Beauty Salon, Tsim Sha Tsui
- Ocean Tailor 海洋改衣店, Shek Tong Tsui
- Ocean World Aquarium, Prince Edward
- Ogawa, Tseung Kwan O
- Oi Ling Antiques, Central
- Oil and Gas Posts Limited, Wan Chai
- OkVideo.hk, Tuen Mun
- Okaa International limited, 長沙灣
- Okuno Engineering (H.K.) Ltd, Kwai Chung
- Olive Forrest, Central
- Olympic Motor Services Company - Tsuen Wan, Tsuen Wan
- Omar Ltd, Kwai Chung
- Ombab Web Design and Developement, Kwai Chung
- One Solution Limited, Kwun Tong
- OneAsia Network Limited 亞洲脈絡, Tsuen Wan
- Onederfo Ltd., Tsuen Wan
- Ones Trading Limited, Kwun Tong
- Online Marketing, Mong Kok
- Openwise Industrial Limited, Chai Wan
- Optical 88, 九龍城
- Optical 88, Metro City
- Option Hair, Tai Wai
- Orbis, Kwai Fong
- Order Now Flower Shop-Hong Kong, Central
- Organic Beauty, Yau Tong
- Organic Papa, Sai Kung
- Organic Plus, Tseung Kwan O
- Organic Warehouse Ltd, Sai Kung
- Orient Jungle, Sai Ying Pun
- Oriental Group Asia Limited, Kwun Tong
- Oriental Heroes Hair Salon, Tsim Sha Tsui East
- Oriental Home, Ap Lei Chau
- Oriental Rugs, Pok Fu Lam
- Oriental Watch Co. Ltd. - Mong Kok, Mong Kok
- Orientique, 香港香港島中環干諾道中5號文華東方酒店M4鋪
- Origins, 鑽石山
- Osa, Sheung Shui
- Oscar Pro, San Po Kong
- Osim, Ma On Shan
- Oto, Causeway Bay
- Oto Bodycare, Tai Po
- OtterBox Hong Kong Limited, Wan Chai
- Our Lady of Joy Abbey, Tai Shui Hang
- Outback, Yuen Long
- Outback Steakhouse, Tuen Mun
- Outback Steakhouse, 荃灣
- Outdoor Depot, Metro City
- Outdoor depot, Tseung Kwan O
- Oz Terroirs, Wan Chai
- Oz Terroirs - Artisanal Wines of Australia, Central
- oku Say, Sham Shui Po
- overandback, Chai Wan Kok
- own workshop, Chai Wan Kok