| SAMUEL LAMONT & SONS LIMITED | Textiles | 1924 | Total exemption (full) |
| SAMUEL LAMONT (HOLDINGS) LIMITED | Textiles | 1958 | Total exemption (full) |
| JAMES HAMILTON & COMPANY (LURGAN) LIMITED | Paper and paperboard | 1964 | Full accounts |
| HUHTAMAKI (LISBURN) LIMITED | Paper and paperboard | 1965 | Full accounts |
| RADIUS PLASTICS LIMITED | Rubber and plastics | 1979 | Full accounts |
| LINDEN FOODS | Food products | 1981 | Group accounts |
| ENTERPRISE STATIONERY LIMITED | Paper and paperboard | 1982 | Total exemption (full) |
| PLASTIC PROMOTIONS LIMITED | Rubber and plastics | 1988 | Total exemption (full) |
| BAWNBUA FOODS LTD | Food products | 1995 | Group accounts |
| CARN PLASTICS LIMITED | Rubber and plastics | 2001 | Total exemption (full) |
| HENRY MCCORRY LTD | Glass, ceramics, cement and stone | 2003 | Total exemption (full) |
| KETTYLE FOODS | Food products | 2003 | Small company accounts |
| INTEGRASPEC GB LIMITED | Rubber and plastics | 2005 | Total exemption (full) |
| MOLLOY ENGINEERING LIMITED | Fabricated metal products | 2005 | Unaudited abridged |
| INTEGRASPEC TRADING LIMITED | Rubber and plastics | 2010 | Total exemption (full) |