| 421 | Unifine Chemical Pte Ltd 198601803E | 启用 |
| 422 | United Specialists Pte Ltd 199201023E | 启用 |
| 423 | United Venture Houses Pte. Ltd. 201100415M | 启用 |
| 424 | Uiheng Construction Pte. Ltd. 200802516K | 启用 |
| 425 | Universal (far East) Pte. Ltd. 198500319K | 启用 |
| 426 | Utopia Aire Pte Ltd 198003050K | 启用 |
| 427 | U Point Construction & Engineering 52988521B | 启用 |
| 428 | United Bmec Pte Ltd 198803226R | 启用 |
| 429 | Ulite Air Con 49236000J | 启用 |
| 430 | Unifurn Decoration And Construction Pte Ltd 199602942C | 启用 |
| 431 | Ulidoor Pte. Ltd. 200804695H | 启用 |
| 432 | Ultimate Display System Pte Ltd 199206282C | 启用 |
| 433 | Unu Automation Engineering 52822726B | 启用 |
| 434 | U & U Engineering 53088790L | 启用 |
| 435 | Universal Steel Industries Pte. Ltd. 200602866K | 启用 |
| 436 | Universal Building Products Pte. Ltd. 200416008R | 启用 |
| 437 | Universal Displays Pte Ltd 199407101W | 启用 |
| 438 | United Team Interior Design Pte. Ltd. 200402993D | 启用 |
| 439 | Up Communications Pte Ltd 199800711W | 启用 |
| 440 | United Stone Pte Ltd 198002823E | 启用 |
| 441 | Utracon Structural Systems Pte. Ltd. 199800740E | 启用 |
| 442 | United Cement Pte Ltd 199302085D | 启用 |
| 443 | U.sage Contracts Pte Ltd 199601304H | 启用 |
| 444 | United Tech Engineering Pte Ltd 199602127N | 启用 |
| 445 | Uems Solutions Pte. Ltd. 198803772H | 启用 |
| 446 | Ultra Saws (s.e.a.) Pte. Ltd. 197902212C | 启用 |
| 447 | United Heat Transfer Engineering 53036542A | 启用 |
| 448 | Uni Marine Services Pte. Ltd. 200613869W | 启用 |
| 449 | Ue Altraco (pte.) Ltd. 198803545N | 启用 |
| 450 | Unipro Software Pte. Ltd. 200204092G | 启用 |