| SHARMAN D. NEILL LIMITED | Other manufacturing | 1961 | Medium company accounts |
| ULSTER ENGINEERING LIMITED | Machinery and equipment | 1970 | Total exemption (full) |
| MOYOLA PRECISION ENGINEERING LIMITED | Fabricated metal products | 1976 | Full accounts |
| TOBERMORE CONCRETE PRODUCTS LIMITED | Glass, ceramics, cement and stone | 1976 | Full accounts |
| DITTY'S (CASTLEDAWSON) LIMITED | Food products | 1988 | Total exemption (full) |
| TEKNOS IRELAND LIMITED | Chemicals | 1993 | Small company accounts |
| SPERRIN SWITCHGEAR LTD | Computers, electronics and optics | 1996 | Total exemption (full) |
| TIR-CON ENGINEERING LTD | Fabricated metal products | 2000 | Total exemption (full) |
| ESSENTIAL DESIGNS (NI) LTD | Other manufacturing | 2001 | Unaudited abridged |
| TURCO ENGINEERING LIMITED | Fabricated metal products | 2001 | Unaudited abridged |
| RACKING & SHELVING LIMITED | Fabricated metal products | 2002 | Total exemption (full) |
| ADM PIPE INSTALLATIONS LTD | Fabricated metal products | 2003 | Unaudited abridged |
| VEMAC ENGINEERING LTD | Machinery and equipment | 2003 | Total exemption (full) |
| FIRE GLASS DIRECT IRELAND LTD | Other manufacturing | 2004 | Total exemption (full) |
| FOURDS LIMITED | Other manufacturing | 2005 | Group accounts |