| JOHN RAINEY & SON LIMITED | Fabricated metal products | 1949 | Small company accounts |
| UNI-TRUNK LIMITED | Fabricated metal products | 1961 | Full accounts |
| HANDLING AND STORAGE EQUIPMENT COMPANY LIMITED | Repair and installation of machinery | 1967 | Total exemption (full) |
| ALLIED EQUIPMENT LIMITED | Repair and installation of machinery | 1969 | Total exemption (full) |
| BOOMER INDUSTRIES LIMITED | Wood products | 1970 | Full accounts |
| MCAVOY MODULAR OFFSITE LIMITED | Fabricated metal products | 1972 | Full accounts |
| JORDAN CONCRETE LTD | Glass, ceramics, cement and stone | 1973 | Total exemption (full) |
| TEXAM LIMITED | Machinery and equipment | 1973 | Unaudited abridged |
| UNITRUNK CABLE TRUNKING SYSTEMS LIMITED | Fabricated metal products | 1976 | Full accounts |
| BOILERHOUSE SERVICES LIMITED | Repair and installation of machinery | 1977 | Total exemption (full) |
| IPCE LIMITED | Electrical equipment | 1982 | Total exemption (full) |
| WARMFLOW ENGINEERING CO.LIMITED | Fabricated metal products | 1982 | Full accounts |
| ELECTRO AUTOMATION (N.I.) LIMITED | Repair and installation of machinery | 1985 | Small company accounts |
| DLRT LIMITED | Printing and recorded media | 1986 | Small company accounts |
| SMILEY MONROE LIMITED | Rubber and plastics | 1986 | Full accounts |
| ECOAT IRELAND LIMITED | Fabricated metal products | 1987 | Total exemption (full) |
| JAMES LECKEY DESIGN LIMITED | Other manufacturing | 1989 | Full accounts |
| POWER ACTION LIMITED | Computers, electronics and optics | 1992 | Unaudited abridged |
| EASABILITY SHOWERS LIMITED | Other manufacturing | 1993 | Unaudited abridged |
| APEX BLINDS LIMITED | Textiles | 1993 | Unaudited abridged |
| UNICORN FLOORING LIMITED | Rubber and plastics | 1993 | Small company accounts |
| JESSE BLINDS & SHUTTERS LTD | Other manufacturing | 1995 | Unaudited abridged |
| ARCHITECTURAL STONE LTD | Glass, ceramics, cement and stone | 1995 | Total exemption (full) |
| UNICORN CONTAINERS LIMITED | Fabricated metal products | 1995 | Small company accounts |
| MAGDEK THERMAL SYSTEMS LIMITED | Other manufacturing | 1996 | Total exemption (full) |
| KME STEELWORKS LTD | Fabricated metal products | 1999 | Unaudited abridged |
| CREATIVE COMPOSITES LIMITED | Other manufacturing | 2000 | Full accounts |
| EDGEFORM FABRICATIONS LIMITED | Fabricated metal products | 2000 | Total exemption (full) |
| DUCT & SCIENTIFIC SERVICES LIMITED | Other manufacturing | 2001 | Unaudited abridged |
| DRUMHILL TRACTORS LIMITED | Repair and installation of machinery | 2001 | Unaudited abridged |
| TANKSAFE SOLUTIONS LTD | Repair and installation of machinery | 2002 | Total exemption (full) |
| A 1 CONCRETE LIMITED | Glass, ceramics, cement and stone | 2002 | Total exemption (full) |
| D & J GENERATORS LIMITED | Electrical equipment | 2003 | Total exemption (full) |
| EDINA POWER LIMITED | Other manufacturing | 2003 | Full accounts |
| C N C TOOL & DIE LIMITED | Fabricated metal products | 2005 | Unaudited abridged |
| TURNER GRAIN ENGINEERING (IRELAND) LIMITED | Food products | 2005 | Total exemption (full) |
| SUKI TEAHOUSE LIMITED | Food products | 2005 | Total exemption (full) |
| UNICORN HYGIENICS LIMITED | Other manufacturing | 2006 | Small company accounts |
| BUFAB IRELAND LIMITED | Fabricated metal products | 2006 | Full accounts |
| ROBERT CRAIG & SONS LIMITED | Repair and installation of machinery | 2007 | Unaudited abridged |
| NEW HORIZONS GLOBAL LIMITED | Other manufacturing | 2008 | Total exemption (full) |
| NEW DIRECTION SIGNS & GRAPHICS LTD | Other manufacturing | 2009 | Total exemption (full) |
| CAMLIN LIMITED | Electrical equipment | 2009 | Group accounts |
| PURE ROAST COFFEE LIMITED | Food products | 2009 | Total exemption (full) |
| ULSTER WEAVERS HOME LIMITED | Textiles | 2010 | Full accounts |
| CIRDAN IMAGING LIMITED | Other manufacturing | 2010 | Group accounts |
| FUEL-TEC LIMITED | Other manufacturing | 2010 | Total exemption (full) |
| DM LASER-FAB LIMITED | Fabricated metal products | 2010 | Unaudited abridged |