| 691 | Octagon System Furniture Pte Ltd 199508015Z | Active |
| 692 | Office Planner Pte Ltd 199607798D | Active |
| 693 | Ocean Newline Industries Pte Ltd 199707340W | Active |
| 694 | Ong Brothers Tiling & Construction Pte Ltd 197702511G | Active |
| 695 | Okamoto (singapore) Private Limited 197302386G | Active |
| 696 | Orient Star Pacific Pte. Ltd. 201536469G | Active |
| 697 | Oal Builders Pte Ltd 197801295R | Active |
| 698 | Overseas Technical Engineering And Construction Pte. Ltd. 197702136H | Active |
| 699 | Omega Scientific Pte Ltd 198305296Z | Active |
| 700 | Owl City Sg Pte. Ltd. 201403531H | Active |
| 701 | Onethreeonefour 53317878M | Active |
| 702 | Optolight Solutions (s) Pte. Ltd. 201420073R | Active |
| 703 | Ong Wai Chong 53318168B | Active |
| 704 | Owen Corporation T15UF5903C | Active |
| 705 | Oriel Business Corporate Services 52945849K | Active |
| 706 | On9 Systems 53076522E | Active |
| 707 | Oh Eng Hui 52945293J | Active |
| 708 | Onezine Pte. Ltd. 200608819W | Active |
| 709 | Ocean Star Pub And Entertainment 52945694W | Active |
| 710 | Oshe Management & Services 52933672C | Active |
| 711 | Ong Sui Moi Hokkien Wayang 52944458E | Active |
| 712 | Oon Moh Contractor 22977000B | Active |
| 713 | Octopus (singapore) Holdings Limited T14UF3418B | Active |
| 714 | Occidental Chemical Co Ltd S73UF0028B | Active |
| 715 | Office Red Sun Ltd. T08UF1112L | Active |
| 716 | Ohji Rubber & Chemicals Co Ltd S87UF0402C | Active |
| 717 | Overseas Decloedt & Fils S73UF0025C | Active |
| 718 | Oxea Holding Gmbh T07UF2944J | Active |
| 719 | Oilers Investments Limited T07UF2620J | Active |
| 720 | Opnet Technologies Llc T07UF2604E | Active |