| 541 | Relays | Company Product |
| 542 | Relays Contactors | Company Product |
| 543 | Release Bearing | Company Product |
| 544 | Release Coatings | Company Product |
| 545 | Release Lever | Company Product |
| 546 | Release Lever Oil Seal | Company Product |
| 547 | Releif Valves | Company Product |
| 548 | Reliable | Company Product |
| 549 | Reliable Air-Conditioning Service | Company Product |
| 550 | Reliable Aircon Services | Company Product |
| 551 | Reliable Packaging Supplier Singapore | Company Product |
| 552 | Reliance Repair Services | Company Product |
| 553 | Reliance Repairs | Company Product |
| 554 | Relief Valves | Company Product |
| 555 | Religious Goods | Company Product |
| 556 | Religious Organizations | Company Product |
| 557 | Religious Schools | Company Product |
| 558 | Relocatable Walls | Company Product |
| 559 | Relocation Consultants | Company Product |
| 560 | Relocation Services | Company Product |
| 561 | Remanufactured Toner Cartridges | Company Product |
| 562 | Remanufacturing | Company Product |
| 563 | Remote | Company Product |
| 564 | Remote / Internal | Company Product |
| 565 | Remote Access | Company Product |
| 566 | Remote Control | Company Product |
| 567 | Remote Control Ceiling Fans | Company Product |
| 568 | Remote Control Mould | Company Product |
| 569 | Remote Control Panel | Company Product |
| 570 | Remote Control Relief Valves | Company Product |