| 451 | Unipat Builders Pte Ltd
199004083D | 启用 |
| 452 | U Kiang Electrical Sanitation & Water Plumber Contractors
10666500J | 启用 |
| 453 | Uvaria Tide
53138950B | 启用 |
| 454 | Unet Pte. Ltd.
200901765Z | 启用 |
| 455 | Ugl (singapore) Pte. Ltd.
196900181G | 启用 |
| 456 | Unopal Pte. Ltd.
200307751Z | 启用 |
| 457 | Ut Engineering Pte. Ltd.
200903658W | 启用 |
| 458 | Uni Great Construction Pte Ltd
199702118R | 启用 |
| 459 | United Integrated Services Pte. Ltd.
201102192K | 启用 |
| 460 | Uia Technology Pte. Ltd.
201013185C | 启用 |
| 461 | Unicoat Pte. Ltd.
200603424R | 启用 |
| 462 | Umg Pte. Ltd.
200917296M | 启用 |
| 463 | Unidec Pte. Ltd.
201000019N | 启用 |
| 464 | Upnb Contractors Private Limited
200810217D | 启用 |
| 465 | Unicorn Oil Company Pte Ltd
198303648D | 启用 |
| 466 | Uniscaffold Pte. Ltd.
201002225E | 启用 |
| 467 | United M&e Pte. Ltd.
201000771E | 启用 |
| 468 | Uninec Construction Pte Ltd
198801108E | 启用 |
| 469 | Unicon Group Pte. Ltd.
199602812H | 启用 |
| 470 | Unimae Pte Ltd
199906030M | 启用 |
| 471 | Uniflow Engineering
33504600B | 启用 |
| 472 | Urban Scapes Pte Ltd
199400960E | 启用 |
| 473 | U Sheng Pte. Ltd.
200907466E | 启用 |
| 474 | Ug M&e Pte. Ltd.
201025531D | 启用 |
| 475 | Under One Roof Design & Contracts
52825768D | 启用 |
| 476 | United Soil Engineering
52924498E | 启用 |
| 477 | Unique Fire Protection
52957150A | 启用 |
| 478 | Union Jack Elevator Pte Ltd
200101190G | 启用 |
| 479 | Uncle Moh Interior Design & Renovation
52903948J | 启用 |
| 480 | Unesis Engineering Pte. Ltd.
200701571M | 启用 |