| 1981 | Hi Light Electrical Pte Ltd
198804257C | Active |
| 1982 | Hap Hong Huat Pte. Ltd.
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| 1983 | Hoong Fung Engineering Pte Ltd
199202790Z | Active |
| 1984 | Hongfa Sand & Granite Pte Ltd
199605365C | Active |
| 1985 | Hec Electrical & Construction Pte Ltd
199501306G | Active |
| 1986 | Hoo Huat Engineering Pte. Ltd.
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| 1987 | Hiap Yew Electrical Pte Ltd
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| 1988 | Ho Seng Engineering Works Pte Ltd
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| 1989 | Hoe Hong Huat Construction Pte Ltd
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| 1990 | Heng Fa Holdings Pte. Ltd.
198905534G | Active |
| 1991 | Hak Long Engineering Pte Ltd
198500346R | Active |
| 1992 | High Weigh Enterprise Construction (pte.) Ltd.
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| 1993 | Hardy House Prefab (singapore) Pte Ltd
198501217K | Active |
| 1994 | Hi Tech (impex) Amusement Trading & Services
52927834X | Active |
| 1995 | Hg Metal Manufacturing Limited
198802660D | Active |
| 1996 | Hoong Kong Electric Company Private Limited
197501313R | Active |
| 1997 | Hai Leng Contract Pte Ltd
198800129E | Active |
| 1998 | Heng Gek Sai Enterprise Pte Ltd
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| 1999 | Hiap Shing Construction Pte. Ltd.
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| 2000 | Hua Mei Fang Trading
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| 2001 | Hazard Control Engineering Pte. Ltd.
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| 2002 | Hardelec Engineering (s) Pte Ltd
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| 2003 | Hock Keng Heng Private Limited
197701808W | Active |
| 2004 | Han Wee Furniture & Decoration
41524600L | Active |
| 2005 | Hong Ann Piling Pte Ltd
198303298H | Active |
| 2006 | Hong Lam Engineering Pte Ltd
198404135E | Active |
| 2007 | Hiap Hoe & Co. Pte. Ltd.
197400868G | Active |
| 2008 | Hyundai Engineering & Construction Co. Ltd
S81FC2987D | Active |
| 2009 | Hock Lian Seng Infrastructure Pte. Ltd.
196900255G | Active |
| 2010 | Hong Seng Workmetal
53100490B | Active |