| 1981 | Itchimi Asia Llp T12LL0271L | 有効 |
| 1982 | Impex Commercial Service 30324000L | 有効 |
| 1983 | In House Industries 29901900D | 有効 |
| 1984 | Indo China Karya Seni Ltd. T14UF3175E | 有効 |
| 1985 | Ipec Pte Ltd 198402960M | 有効 |
| 1986 | Ingrasys (singapore) Pte. Ltd. 201507986N | 有効 |
| 1987 | Inply Energy Solutions Pte. Ltd. 201507725W | 有効 |
| 1988 | Ideariverrun Sdn Bhd T14UF3146H | 有効 |
| 1989 | International Eye Cataract Retina Centre Pte. Ltd. 201422766K | 有効 |
| 1990 | Iniq Pte. Ltd. 201526623C | 有効 |
| 1991 | Inngroup Pte. Ltd. 201220059H | 有効 |
| 1992 | Iws Intelligent Workflow Solutions Pte. Ltd. 201533481R | 有効 |
| 1993 | Indratex General Contractor 33497600J | 有効 |
| 1994 | Infra Asia Consultants 52800762M | 有効 |
| 1995 | Intra Globe Supplies & Agencies 33213900W | 有効 |
| 1996 | Integrated Management Services 33871700E | 有効 |
| 1997 | Independent Art & Design 32542500X | 有効 |
| 1998 | Infratech Holdings Ltd T15UF5394K | 有効 |
| 1999 | Industrial Electrical Solutions Pte. Ltd. 201601072M | 有効 |
| 2000 | Islandwide Passenger Land Transport Services 53313978C | 有効 |
| 2001 | Inter Jean Trading 52948104M | 有効 |
| 2002 | Ishin Sg Pte. Ltd. 201230637G | 有効 |
| 2003 | Island Freight Services 32135600D | 有効 |
| 2004 | Ideal Optics 26550500C | 有効 |
| 2005 | Indikah Asia 53278392A | 有効 |
| 2006 | Impact Werkz 53309594L | 有効 |
| 2007 | Inchoation 53261431C | 有効 |
| 2008 | Iputa Nails 52977777X | 有効 |
| 2009 | Ismi Architectural Models 31846200A | 有効 |
| 2010 | Invensys International Holdings Limited T03UF1268L | 有効 |