| 601 | University Of Sheffield Alumni Association (singapore) T02SS0067J | Active |
| 602 | Unitech Equipment Limited T07UF1658A | Active |
| 603 | University Of Wisconsin Alumni Society (singapore) T02SS0148H | Active |
| 604 | Universal World Pte. Ltd. 201334677G | Active |
| 605 | University Of The Philippines Alumni Association (singapore) T03SS0198E | Active |
| 606 | Urban Builders Pte. Ltd. 201537225Z | Active |
| 607 | Unipar Sdn Bhd S73UF0088K | Active |
| 608 | Universal Liberation T09SS0159L | Active |
| 609 | United Nations Students Association (nanyang Technological University) S91SS0075G | Active |
| 610 | University Of Oklahoma Club (singapore) T05SS0110G | Active |
| 611 | Uro Oncology Club T02SS0023E | Active |
| 612 | University Of Wollongong Alumni Association (singapore Chapter) T02SS0105L | Active |
| 613 | United Cricket Club T01SS0212C | Active |
| 614 | University Of California, Los Angeles Association (singapore) T02SS0116A | Active |
| 615 | Union Supreme 22003300E | Active |
| 616 | University Of Liverpool Alumni Association (singapore) T13SS0030H | Active |
| 617 | Unknown Artists T05SS0092D | Active |
| 618 | University Of Science & Technology Of China Alumni Association (singapore) T05SS0170D | Active |
| 619 | Uti Bank Limited, Singapore Branch T07UF2639L | Active |
| 620 | Universum Communications Sweden Aktiebolag T15UF4428C | Active |
| 621 | Upsilon Eta Chapter T05SS0060H | Active |
| 622 | United Chinese Library Alias Tong De Shu Bao She (in Han Zi Pin Yin) S11SS0002D | Active |
| 623 | Uncle Bus 53156449E | Active |
| 624 | Unique Mould Manufacturer (private) Limited 197101339M | Active |
| 625 | Uob Global Capital Private Limited 199805426D | Active |
| 626 | Urological Association Of Asia T03SS0167E | Active |
| 627 | Unikek Enterprise 52890587B | Active |
| 628 | University Of Western Sydney Alumni Singapore T06SS0190H | Active |
| 629 | Unique Quality Photocopy Studio 52903784W | Active |
| 630 | University Of New South Wales Alumni Association (singapore Chapter) T00SS0138D | Active |