| 511 | Alkotech
53038668B | Aktif |
| 512 | Asia Time Marketing
50512600A | Aktif |
| 513 | Aries 14
53273763J | Aktif |
| 514 | Anhua Group
53269939D | Aktif |
| 515 | A+ Clean Pte. Ltd.
201416584M | Aktif |
| 516 | Aa Plaza Llp
T13LL1550G | Aktif |
| 517 | A&b Electrical Lighting Service
53261796K | Aktif |
| 518 | Advance Wire Cut Enterprise
50599400C | Aktif |
| 519 | Ah Hwee Motor Repairer
25390700D | Aktif |
| 520 | Ai Lee Tailor
23947100L | Aktif |
| 521 | Adrenalx Limited Liability Partnership
T13LL1813C | Aktif |
| 522 | A&k Abundance Llp
T13LL1195K | Aktif |
| 523 | Andrew Sidwell (sg) Pte. Ltd.
201422995G | Aktif |
| 524 | Afluente (s) Llp
T13LL0889A | Aktif |
| 525 | Aeroequip Engineering
24565500W | Aktif |
| 526 | Ad Focus
53310297M | Aktif |
| 527 | Artistics Furniture
25935500C | Aktif |
| 528 | Antra Enterprise Llp
T12LL1327K | Aktif |
| 529 | A M K Services
53284352E | Aktif |
| 530 | Augmented Heuristics Llp
T13LL2287A | Aktif |
| 531 | Affinity Creation Private Limited
201500438E | Aktif |
| 532 | Ang Mo Kio Medical Hall
25699200B | Aktif |
| 533 | Ang Chin Moh Kheng Kee Undertakers
25410200W | Aktif |
| 534 | Asean+3 Macroeconomic Research Office
T16NR0002L | Aktif |
| 535 | Airspeed
53330500D | Aktif |
| 536 | Ann Joo Motor Services
20405400A | Aktif |
| 537 | Abroad Education Services
53328217M | Aktif |
| 538 | Ada Maintenance Services
52992395E | Aktif |
| 539 | Ah Heng Co
24495700B | Aktif |
| 540 | Ace Weld Equipment Supplies & Services
25280700J | Aktif |