| 301 | Zelkova Trading 52801097B | Active |
| 302 | Zin Yee Foot Reflexology And Beauty Centre 52877508A | Active |
| 303 | Zheng Leng Trading 52803316J | Active |
| 304 | Zeta Water Industries 52806703J | Active |
| 305 | Zenith Hairworks 52801102B | Active |
| 306 | Zone Minimart 52868310A | Active |
| 307 | Ze Quan Traditional Medical Care 52805772C | Active |
| 308 | Zone G Residents' Committee @ Sengkang South T12SS0022A | Active |
| 309 | Zarephath Trading Centre 52803726M | Active |
| 310 | Ziwei Fine Arts Centre 52861817B | Active |
| 311 | Zhang Peng International Trading 52879625M | Active |
| 312 | Zul Engineering Trading And Services 53143489C | Active |
| 313 | Zenex Pte. Ltd. 200511561K | Active |
| 314 | Zc Electrical & Engineering Pte. Ltd. 199805114E | Active |
| 315 | Zhong Hua Wu Shut 52826243B | Active |
| 316 | Zhen Ren Gong Temple S98SS0123E | Active |
| 317 | Zion Living Streams Community Church S98SS0054C | Active |
| 318 | Zener D.i.y. Store 52829537C | Active |
| 319 | Zen Mak Construction 52822788B | Active |
| 320 | Zhenghua Jelapang Residents' Committee S99SS0127E | Active |
| 321 | Zi Jing Ge Moral Uplifting Society S84SS0100F | Active |
| 322 | Zonta Club Of Singapore S71SS0044A | Active |
| 323 | Ztagewedding Pte. Ltd. 201508151C | Active |
| 324 | Zuss Technologies 52906188X | Active |
| 325 | Zhong Yuan Society T01SS0129L | Active |
| 326 | Zhong Hua Gu Wan Gong Yi Hang 52940862K | Active |
| 327 | Zhu Yun Gong Wushu Association S94SS0101E | Active |
| 328 | Zhenhai Petrochemical Industrial Trade (hk) Company Limited T14UF3497B | Active |
| 329 | Zingo Trading 52905325W | Active |
| 330 | Zhang Hui Building Construction (1999) 52885753C | Active |