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