| 1981 | Helmsion Engineering Pte. Ltd.
199303387E | 启用 |
| 1982 | H & W Communications Pte Ltd
199700014E | 启用 |
| 1983 | Hwa Sheng Construction Pte Ltd
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| 1984 | Hock Chuan Hong Waste Management Pte Ltd
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| 1985 | Hys Enterprises Pte Ltd
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| 1986 | Hong Lai Huat International Pte. Ltd.
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| 1987 | Hang Hong Contractor Pte Ltd
199801534D | 启用 |
| 1988 | Hoe Hock Electrical Engineering Pte Ltd
199105194C | 启用 |
| 1989 | Huat Builders Pte Ltd
199304622N | 启用 |
| 1990 | Heng Hong Development Pte Ltd
199300314N | 启用 |
| 1991 | Hi Light Electrical Pte Ltd
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| 1992 | Hap Hong Huat Pte. Ltd.
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| 1993 | Hoong Fung Engineering Pte Ltd
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| 1994 | Hongfa Sand & Granite Pte Ltd
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| 1995 | Hec Electrical & Construction Pte Ltd
199501306G | 启用 |
| 1996 | Hoo Huat Engineering Pte. Ltd.
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| 1997 | Hiap Yew Electrical Pte Ltd
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| 1998 | Ho Seng Engineering Works Pte Ltd
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| 1999 | Hoe Hong Huat Construction Pte Ltd
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| 2000 | Heng Fa Holdings Pte. Ltd.
198905534G | 启用 |
| 2001 | Hak Long Engineering Pte Ltd
198500346R | 启用 |
| 2002 | High Weigh Enterprise Construction (pte.) Ltd.
200919471N | 启用 |
| 2003 | Hardy House Prefab (singapore) Pte Ltd
198501217K | 启用 |
| 2004 | Hi Tech (impex) Amusement Trading & Services
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| 2005 | Hg Metal Manufacturing Limited
198802660D | 启用 |
| 2006 | Hoong Kong Electric Company Private Limited
197501313R | 启用 |
| 2007 | Hai Leng Contract Pte Ltd
198800129E | 启用 |
| 2008 | Heng Gek Sai Enterprise Pte Ltd
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| 2009 | Hiap Shing Construction Pte. Ltd.
197600298E | 启用 |
| 2010 | Hua Mei Fang Trading
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