| 571 | Dou Yee Engineering Pte Ltd 199700328E | Active |
| 572 | Dow Jones Aer Co Inc
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| 573 | Disk Precision Industries Pte Ltd 198602553C | Active |
| 574 | Dex Technologies & Systems Se Asia 52979110B | Active |
| 575 | Denis Freres Pte Ltd
| Active |
| 576 | Da Vinci Collection Pte Ltd 199403494D | Active |
| 577 | Dalcon Mktg Services
| Active |
| 578 | Daiwah Glove Mfg Co
| Active |
| 579 | D'bun Pte Ltd 199407751H | Active |
| 580 | D Art(Cactus) Design & Build
| Active |
| 581 | D & M Electronics S'pore Pte Ltd
| Active |
| 582 | D & J Project Management Pte Ltd
| Active |
| 583 | D'zendiq Fashion House 25025200K | Active |
| 584 | D'artistry Enterprise 52993311W | Active |
| 585 | D&d Marketing 53007430C | Active |
| 586 | Drawtech Service Technology 52824522L | Active |
| 587 | Domvs
| Active |
| 588 | Dwa Pte Ltd
| Active |
| 589 | Drs Ernest Lam & Partners Dental Surgeons
| Active |
| 590 | Dp Quest Investigation Consultancy Pte. Ltd. 200501280D | Active |
| 591 | Dp Information Network Pte Ltd 198302653E | Active |
| 592 | Dp Architects Pte Ltd. 197501778E | Active |
| 593 | De Leon Fabrics Pte Ltd 199000077H | Active |
| 594 | D-m-e Engineering Pte Ltd
| Active |
| 595 | Dta Insurance Agency 52801138C | Active |
| 596 | Dowell Computer Services 47427800W | Active |
| 597 | Don Shudar Int'l Pte Ltd
| Active |
| 598 | D-ron S'pore Pte Ltd
| Active |
| 599 | Dynaforce Int'l Pte Ltd
| Active |
| 600 | Dor Com Door Specialist Pte. Ltd. 200806101K | Active |