| CITY BLINDS LIMITED | Other manufacturing | 1986 | Total exemption (full) |
| KEEBLE (N.I.) LIMITED | Other manufacturing | 1988 | Total exemption (full) |
| ANTRIM HILLS SPRING WATER COMPANY LIMITED | Beverages | 1989 | Total exemption (full) |
| ELECTRACTION (N.I.) LIMITED | Repair and installation of machinery | 1991 | Total exemption (full) |
| R & D LABORATORIES LIMITED | Chemicals | 1995 | Total exemption (full) |
| HOUSTON'S COACHWORKS LIMITED | Ships, aircraft, rail and other transport | 1998 | Total exemption (full) |
| BUCHANAN'S (NORTHERN IRELAND) LIMITED | Food products | 2000 | Small company accounts |
| ELECTRICAL MACHINE SERVICES LTD | Electrical equipment | 2007 | Total exemption (full) |
| D C PACKAGING TAPES LIMITED | Rubber and plastics | 2008 | Total exemption (full) |
| CONTINU LTD | Repair and installation of machinery | 2010 | Total exemption (full) |