| 1981 | Quality Business Solutions Pty Ltd T11UF2539D | Aktif |
| 1982 | Qi Cheng International Group Pte. Ltd. 201435964E | Aktif |
| 1983 | Quickride Pte. Ltd. 201533070N | Aktif |
| 1984 | Quest Drop Pte. Ltd. 201435744K | Aktif |
| 1985 | Quanfeng Engineering Contractor Pte. Ltd. 201500909K | Aktif |
| 1986 | Qlty Trading Pte. Ltd. 201526709R | Aktif |
| 1987 | Quality Renovation Pte Ltd 200106169H | Aktif |
| 1988 | Qad Singapore Pte Ltd 199803373G | Aktif |
| 1989 | Quantiq International Pte Ltd 200102501W | Aktif |
| 1990 | Q'zin Food And Management Pte Ltd 200106469M | Aktif |
| 1991 | Qal Offshore Services Pte Ltd 199804133D | Aktif |
| 1992 | Qwest Singapore Pte Ltd 200010264E | Aktif |
| 1993 | Qs Hub 53284488B | Aktif |
| 1994 | Qian Hu Corporation Limited 199806124N | Aktif |
| 1995 | Quantum Storage Singapore Pte. Ltd. 200101854C | Aktif |
| 1996 | Quick Solutions Engineering Pte. Ltd. 201528666W | Aktif |
| 1997 | Q2 Precision Engineering Pte Ltd 200107781K | Aktif |
| 1998 | Quanta Holdings Pte. Ltd. 201436003D | Aktif |
| 1999 | Qiagen Singapore Pte. Ltd. 200100242D | Aktif |
| 2000 | Qiang Xin Toys & Games Limited Partnership T14LP0082D | Aktif |
| 2001 | Qserv Pte. Ltd. 200400653R | Aktif |
| 2002 | Qb Net International Pte. Ltd. 200210970D | Aktif |
| 2003 | Qing Xin Pte. Ltd. 200210366H | Aktif |
| 2004 | Qiang Di Limited T12UF1370D | Aktif |
| 2005 | Qatar Luxury Group Fashion S.p.c. T12UF1642J | Aktif |
| 2006 | Queen's Security Consultant And Management Services Pte. Ltd. 200207708H | Aktif |
| 2007 | Qualisys South East Asia 53038457D | Aktif |
| 2008 | Quantum Av Pte. Ltd. 200301780H | Aktif |
| 2009 | Quantum Educational Consultants Pte. Ltd. 200207870E | Aktif |
| 2010 | Qihui Management Private Limited 200208020C | Aktif |