| 1951 | Hui He Construction Pte. Ltd.
200309435G | 有効 |
| 1952 | Hock Huat Seng Contractor Pte. Ltd.
200506278Z | 有効 |
| 1953 | Hl (d&b) Engineering Pte. Ltd.
200410487G | 有効 |
| 1954 | H P Construction & Engineering Pte Ltd
199604762K | 有効 |
| 1955 | H&h Metal Construction Pte. Ltd.
200500289E | 有効 |
| 1956 | Hwa Aik Engineering Pte. Ltd.
200209438R | 有効 |
| 1957 | Ham Engineering Pte Ltd
199701538D | 有効 |
| 1958 | Hui Fok Pte Ltd
200101648D | 有効 |
| 1959 | Huang Kee Building Maintenance Pte. Ltd.
200311601C | 有効 |
| 1960 | Hon Builder Pte. Ltd.
200201825W | 有効 |
| 1961 | Hisaka (singapore) Pte. Ltd.
200310124K | 有効 |
| 1962 | Hiap Ngai Engineering Pte Ltd
200107224N | 有効 |
| 1963 | Hong Soon Seng Construction & Trading Pte Ltd
200000071W | 有効 |
| 1964 | Hong Shin Builders Pte Ltd
199900724G | 有効 |
| 1965 | Hwa Tai Heng Enterprises Pte. Ltd.
200311881M | 有効 |
| 1966 | Heng Li Air Condition Engineering Pte Ltd
200002278R | 有効 |
| 1967 | Hong Meng Interior Design (s) Pte Ltd
200001840C | 有効 |
| 1968 | Helmsion Engineering Pte. Ltd.
199303387E | 有効 |
| 1969 | H & W Communications Pte Ltd
199700014E | 有効 |
| 1970 | Hwa Sheng Construction Pte Ltd
199307695E | 有効 |
| 1971 | Hock Chuan Hong Waste Management Pte Ltd
199305775C | 有効 |
| 1972 | Hys Enterprises Pte Ltd
199104660R | 有効 |
| 1973 | Hong Lai Huat International Pte. Ltd.
199202793M | 有効 |
| 1974 | Hang Hong Contractor Pte Ltd
199801534D | 有効 |
| 1975 | Hoe Hock Electrical Engineering Pte Ltd
199105194C | 有効 |
| 1976 | Huat Builders Pte Ltd
199304622N | 有効 |
| 1977 | Heng Hong Development Pte Ltd
199300314N | 有効 |
| 1978 | Hi Light Electrical Pte Ltd
198804257C | 有効 |
| 1979 | Hap Hong Huat Pte. Ltd.
199103340K | 有効 |
| 1980 | Hoong Fung Engineering Pte Ltd
199202790Z | 有効 |