Companies catalogue
- O Mohd Aboobaker & Co Pte Ltd, Singapore
- O S International Pte Ltd, Singapore
- O'Coffee Club (Raffles City), Singapore
- O'Coffee Club (Seletar Mall), Singapore
- O.S.K Automotive, Singapore
- OAG, Singapore
- OBC International Trading Pte Ltd, Singapore
- OBS Garage, Singapore
- OCBC, Singapore
- OFFICE Furniture - System Furniture Singapore, Singapore
- OGI Pte Ltd, Singapore
- OKASHIMO Pte Ltd (formerly known as Colin K. Okashimo and Associates - CKOA), Singapore
- OMB Pte. Ltd., Singapore
- OSK Industrial Pte Ltd, Singapore 757515
- OSMOSE - Causeway Point, Singapore
- OWNDAYS, Singapore
- OWNDAYS Bugis+, Singapore
- Objective Systems Integrators, Singapore
- Oblique Eyewear, Singapore
- Obs Logistics, Singapore
- Ocean Energy Bunkering Pte Ltd, Singapore
- Ocean Florist & Trading, Singapore
- Ocean Star Air-conditioning Tv Service Co, Singapore
- Ocean Wash Laundramat, Singapore
- Ocean Wash Laundromat Tampines Branch, Singapore
- Ocean Wash Laundromat Yishun Branch, Singapore
- Octopus Wedding, Singapore
- Ocular Company, Singapore
- Ode to Organics by Frankskincare, Singapore
- Odeon Katong Shopping Complex, Singapore
- Odeon Leasing Pte Ltd, Singapore
- Oedo Food Services Pte Ltd, Singapore
- Office A2Z (Singapore) Pte Ltd, Singapore
- Offitek Pte. Ltd., Singapore
- Oganro Ltd, Singapore
- Ogi Pte Ltd, Singapore
- Oh Huat Hin Sesame Oil Manufacturer, Singapore
- Oh Kee tiong General Contractor, Singapore
- Ohio Express International Pte Ltd, Singapore
- Old Chang Kee, Singapore
- Old Chang Kee Coldstore, Singapore
- Old Market Famous Beef Noodle (1991) Pte Ltd, Singapore
- Olive Bakery, Singapore
- Olive Bakery, Singapore
- Olive Grove Pte. Ltd. Senoko Drive, Singapore
- Olive Tree Builders Pte Ltd, Singapore
- Olivea Pte Ltd, Singapore
- Olivine Electronics Pte Ltd, Singapore
- Oly Employment Agency, Singapore
- Olympus, Singapore
- Om Nom - Taste of Thai, Singapore
- Omni Nail Spa, Singapore
- One Employment Solutions & Services Pte Ltd, Singapore
- One Man Coffee, Singapore
- One Offshore Pte Ltd, Singapore
- One Salon, Singapore
- One2Rent Cars Pte Ltd, Singapore
- OneSG Bath & Cucina Pte Ltd, Singapore
- Onenine57 Pte. Ltd., Singapore
- Ong & Koh Services Enterprise, Singapore
- Ong Beng Leong & Co, Singapore
- Ong Chin Hing Roland, Singapore
- Ong Hin Seng Auto Accessories Trading Co, Singapore
- Ong Sam Yong Holding Pte Ltd, Singapore
- Only Brown, Singapore
- Onwards Paper Products (S) Pte. Ltd., Singapore
- Ooi Communications, Singapore
- Oppt Shop, Singapore
- Optical 88, Singapore
- Optical Cable Technology Asia, Singapore
- Opticmax Digital Holding, Singapore
- Optimus Technologies Pte Ltd, Singapore
- Optique I C U, Singapore
- Orange International Trading, Singapore
- Orange Print Pte Ltd, Eldix
- OrangeChem Pte Ltd, Singapore
- Orangetee, Singapore
- Orbit Singapore Pte Ltd, Singapore
- Orchid Link Consultants Singapore Pte Ltd, Singapore
- Orchid Pharmacare Pte Ltd, Singapore
- Oregano Trading Private Limited, Singapore
- Orel South East Asia, Singapore
- Organic Inc., Singapore
- Orgo, Singapore
- Orient Photo Pte Ltd, Singapore
- Orient Quality Print Pte Ltd, Singapore
- Orient Treasure, Singapore
- Orient Works Engrg Pte Ltd, Singapore
- Oriental Hair Solutions Causeway Point, Singapore
- Oriental Herbal Tea, Singapore
- Originals Furniture, Singapore
- Orion Communications, Singapore
- Orion Systems Integration Pte Ltd, Singapore
- Otto Air-con & Electrical, Singapore
- Out Door Life, Singapore
- Oval Asia Pacific Pte. Ltd., Singapore
- Overlander Motor, Singapore
- Oversea Ships Laundry & Dry Cleaning, Singapore
- Owl Gym, Singapore
- Ozzo Collection, Singapore