| 1981 | Quality Business Solutions Pty Ltd
T11UF2539D | Active |
| 1982 | Qi Cheng International Group Pte. Ltd.
201435964E | Active |
| 1983 | Quickride Pte. Ltd.
201533070N | Active |
| 1984 | Quest Drop Pte. Ltd.
201435744K | Active |
| 1985 | Quanfeng Engineering Contractor Pte. Ltd.
201500909K | Active |
| 1986 | Qlty Trading Pte. Ltd.
201526709R | Active |
| 1987 | Quality Renovation Pte Ltd
200106169H | Active |
| 1988 | Qad Singapore Pte Ltd
199803373G | Active |
| 1989 | Quantiq International Pte Ltd
200102501W | Active |
| 1990 | Q'zin Food And Management Pte Ltd
200106469M | Active |
| 1991 | Qal Offshore Services Pte Ltd
199804133D | Active |
| 1992 | Qwest Singapore Pte Ltd
200010264E | Active |
| 1993 | Qs Hub
53284488B | Active |
| 1994 | Qian Hu Corporation Limited
199806124N | Active |
| 1995 | Quantum Storage Singapore Pte. Ltd.
200101854C | Active |
| 1996 | Quick Solutions Engineering Pte. Ltd.
201528666W | Active |
| 1997 | Q2 Precision Engineering Pte Ltd
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| 1998 | Quanta Holdings Pte. Ltd.
201436003D | Active |
| 1999 | Qiagen Singapore Pte. Ltd.
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| 2000 | Qiang Xin Toys & Games Limited Partnership
T14LP0082D | Active |
| 2001 | Qserv Pte. Ltd.
200400653R | Active |
| 2002 | Qb Net International Pte. Ltd.
200210970D | Active |
| 2003 | Qing Xin Pte. Ltd.
200210366H | Active |
| 2004 | Qiang Di Limited
T12UF1370D | Active |
| 2005 | Qatar Luxury Group Fashion S.p.c.
T12UF1642J | Active |
| 2006 | Queen's Security Consultant And Management Services Pte. Ltd.
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| 2007 | Qualisys South East Asia
53038457D | Active |
| 2008 | Quantum Av Pte. Ltd.
200301780H | Active |
| 2009 | Quantum Educational Consultants Pte. Ltd.
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| 2010 | Qihui Management Private Limited
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