Businesses starting with O
- Oxford Orthopaedics Pte. Ltd.
- Oxford Products (int'l) Ltd
- Oxford Spine & Neurosurgery Centre
- Oxford Stationery Services
- Oxford Tailor
- Oxford University Press Pte Ltd
- Oxford's
- Oxhide Leather Singapore
- Oxifresh Technology Pte Ltd
- Oxley Hill Properties Pte Ltd
- Oxley Travel Service (pte) Ltd
- Oxon Afreight Pte Ltd
- Oxy-Dry Asia Pacific Inc
- Oxyde Pte Ltd
- Oy Liong Furniture Construction Pte Ltd
- Oyama Engrg Pte Ltd
- Oyo International (singapore) Pte Ltd
- Oyougu Aquatics
- Oyuki (s) Pte Ltd
- Oz Entertainment Bar