| 1231 | Hai Huat Electrical Pte. Ltd. 198800915E | 启用 |
| 1232 | High Wycombe Engineering Pte. Ltd. 200308402Z | 启用 |
| 1233 | Heleflo Products Pte Ltd 198500496N | 启用 |
| 1234 | Hibrite Int'l Pte Ltd
| 启用 |
| 1235 | Henson Vidoc Co. Pte. Ltd 198001838R | 启用 |
| 1236 | Heng Hoe Motor Company 04147200D | 启用 |
| 1237 | Hawko Trading Co. Pte. Ltd. 197400001W | 启用 |
| 1238 | H J Auto Pte Ltd
| 启用 |
| 1239 | Hi Feed Automation Pte Ltd 198703380W | 启用 |
| 1240 | Hitech Heat Treatment Services Pte Ltd 199106299G | 启用 |
| 1241 | Hwa Hong Machinery Co Pte Ltd 198101620K | 启用 |
| 1242 | Hiap Teck Metal Co (1968 Pte) Ltd
| 启用 |
| 1243 | Hi Glitz Pte Ltd 200005292E | 启用 |
| 1244 | Hi Cool Trading Co (private) Limited 199101098E | 启用 |
| 1245 | Hanman International Pte. Ltd. 200506274R | 启用 |
| 1246 | Hak Kim Trading Company
| 启用 |
| 1247 | Henry Pest Control Company 27868800D | 启用 |
| 1248 | Hwee Seng (electronics) Pte Ltd 198001809H | 启用 |
| 1249 | He Marine & Services (S'pore) Pte Ltd
| 启用 |
| 1250 | Harbber Port Marine Pte Ltd 199900440E | 启用 |
| 1251 | Hao Zhe Engineering & Trading 53052722K | 启用 |
| 1252 | H T Wire Mesh & Trading 53117549M | 启用 |
| 1253 | Hydrotech M&E Services Pte Ltd
| 启用 |
| 1254 | Halleytech Pte Ltd 200107124Z | 启用 |
| 1255 | Hupsteel Ltd
| 启用 |
| 1256 | Hafele Singapore Pte Ltd 198801762D | 启用 |
| 1257 | Heatsensor Engineering Pte Ltd 200005346Z | 启用 |
| 1258 | Heng Bus Transport 26611700K | 启用 |
| 1259 | Hai Leck Engineering (Pte) Ltd
| 启用 |
| 1260 | Hung Thye & Co
| 启用 |