| 1981 | Kok Yew Construction 52936167A | Active |
| 1982 | Kemquip Engineering 52869176K | Active |
| 1983 | Kwee Lim Nursery 1996 52826340D | Active |
| 1984 | Kok Sen Coffee Shop 52877331C | Active |
| 1985 | Kaplan Professional 52876327W | Active |
| 1986 | Kah Fatt Engineering Works 52813511B | Active |
| 1987 | Knowhow Management 52866912E | Active |
| 1988 | Kai Kheng Plumbing & Paint Supplies 52824563E | Active |
| 1989 | Kuehs And Snacks 52877435B | Active |
| 1990 | Kiat Seng Nursery 52877290B | Active |
| 1991 | Kwik Pc & Monitor Services 52869112X | Active |
| 1992 | Kwang Hua Buddhist Monastery S92SS0035C | Active |
| 1993 | Kiat Fu Services 52815351W | Active |
| 1994 | Kris Link International 52938072B | Active |
| 1995 | K.s. Machinery & Trading Enterprise 52814166W | Active |
| 1996 | Kotra Pharma Marketing 52864952C | Active |
| 1997 | Kwong Ming (singapore) 52832172B | Active |
| 1998 | Kairos Creatives 52880108B | Active |
| 1999 | K.h.ng Bus Transport Service 52832354K | Active |
| 2000 | Koh Express 52867789J | Active |
| 2001 | Kuan Ti Temple S96SS0016J | Active |
| 2002 | Kok Cheong Auto Parts 52878444K | Active |
| 2003 | Khan Offshore Singapore Pte. Ltd. 201500553K | Active |
| 2004 | Kum Heng Lee Import And Export 52879265B | Active |
| 2005 | Kurtee Co Pte. Ltd. 201427056W | Active |
| 2006 | Karen's Collection 52860956D | Active |
| 2007 | Kian Guan Mega 52832703L | Active |
| 2008 | Koh Kah Siong Trading 52878804C | Active |
| 2009 | Kj Singapore Trading & Services 52876038J | Active |
| 2010 | Kiat Lay Farm Trading 52829492W | Active |