| 421 | Ums Engineering (s) Pte. Ltd.
198201173W | 启用 |
| 422 | Unipac Equipment Pte Ltd
199605024R | 启用 |
| 423 | Uni Valve Alliance Pte Ltd
| 启用 |
| 424 | Uni Machinery & Services Enterprise
53128514J | 启用 |
| 425 | Up John Insulation Services
36701500E | 启用 |
| 426 | Union Engineering Pte. Ltd.
199302751D | 启用 |
| 427 | Unik Engineering Pte Ltd
198601761E | 启用 |
| 428 | Unifine Chemical Pte Ltd
198601803E | 启用 |
| 429 | United Specialists Pte Ltd
199201023E | 启用 |
| 430 | United Venture Houses Pte. Ltd.
201100415M | 启用 |
| 431 | Uiheng Construction Pte. Ltd.
200802516K | 启用 |
| 432 | Universal (far East) Pte. Ltd.
198500319K | 启用 |
| 433 | Utopia Aire Pte Ltd
198003050K | 启用 |
| 434 | U Point Construction & Engineering
52988521B | 启用 |
| 435 | United Bmec Pte Ltd
198803226R | 启用 |
| 436 | Ulite Air Con
49236000J | 启用 |
| 437 | Unifurn Decoration And Construction Pte Ltd
199602942C | 启用 |
| 438 | Ulidoor Pte. Ltd.
200804695H | 启用 |
| 439 | Ultimate Display System Pte Ltd
199206282C | 启用 |
| 440 | Unu Automation Engineering
52822726B | 启用 |
| 441 | U & U Engineering
53088790L | 启用 |
| 442 | Universal Steel Industries Pte. Ltd.
200602866K | 启用 |
| 443 | Universal Building Products Pte. Ltd.
200416008R | 启用 |
| 444 | Universal Displays Pte Ltd
199407101W | 启用 |
| 445 | United Team Interior Design Pte. Ltd.
200402993D | 启用 |
| 446 | Up Communications Pte Ltd
199800711W | 启用 |
| 447 | United Stone Pte Ltd
198002823E | 启用 |
| 448 | Utracon Structural Systems Pte. Ltd.
199800740E | 启用 |
| 449 | United Cement Pte Ltd
199302085D | 启用 |
| 450 | U.sage Contracts Pte Ltd
199601304H | 启用 |