| P W S IRELAND LIMITED | Basic metals | 1956 | Total exemption (full) |
| NORBROOK LABORATORIES LIMITED | Pharmaceuticals | 1969 | Full accounts |
| NEWCEL PAPER CONVERTERS LIMITED | Paper and paperboard | 1973 | Group accounts |
| NORTHERN CANDLES LIMITED | Other manufacturing | 1982 | Total exemption (full) |
| M. & M. (STEEL FABRICATIONS) LIMITED | Fabricated metal products | 1985 | Total exemption (full) |
| CLANRYE ELECTRICAL SUPPLIES LIMITED | Electrical equipment | 1988 | Unaudited abridged |
| MOURNE HYDRAULIC HOSE AND FITTINGS LTD | Machinery and equipment | 1989 | Unaudited abridged |
| HALDANE FISHER LIMITED | Wood products | 1990 | Group accounts |
| EBRO MERCHANTS LIMITED | Other manufacturing | 1992 | Total exemption (full) |
| BENTLEY INSTRUMENT COMPANY LIMITED | Repair and installation of machinery | 1994 | Small company accounts |
| M.J.M. MARINE LIMITED | Furniture | 1995 | Full accounts |
| ENVIRONMENTAL PRODUCTS AND SERVICES LTD | Other manufacturing | 1998 | Total exemption (full) |
| GLENPAC BACON PRODUCTS LIMITED | Food products | 1998 | Unaudited abridged |
| J.K. FABRICATIONS LIMITED | Fabricated metal products | 1998 | Unaudited abridged |
| RTA IRELAND LIMITED | Ships, aircraft, rail and other transport | 1999 | Total exemption (full) |
| HILL ENGINEERING LIMITED | Fabricated metal products | 1999 | Full accounts |
| CLONALLON LABORATORIES LTD | Other manufacturing | 2000 | Total exemption (full) |
| ORIOR BY DESIGN LIMITED | Furniture | 2000 | Total exemption (full) |
| SPACE CONTRACT INTERIORS LIMITED | Furniture | 2000 | Total exemption (full) |
| LASER ELECTRONIC SYSTEMS LTD | Electrical equipment | 2001 | Total exemption (full) |
| AG-CON PRODUCTS LIMITED | Fabricated metal products | 2001 | Audited abridged |
| REGEN WASTE LIMITED | Rubber and plastics | 2002 | Full accounts |
| ROBERT ROBERTS (NI) LIMITED | Beverages | 2002 | Full accounts |
| CLERK FENCING LIMITED | Fabricated metal products | 2002 | Unaudited abridged |
| ME2YOU SANDWICHES LIMITED | Food products | 2002 | Unaudited abridged |
| CARTON DIE (NI) LIMITED | Other manufacturing | 2003 | Unaudited abridged |
| FANE CONTROL PANELS LIMITED | Electrical equipment | 2003 | Total exemption (full) |
| CORN DOLLY FOODS LIMITED | Food products | 2003 | Total exemption (full) |
| MASTERS CHOICE LIMITED | Other manufacturing | 2003 | Audited abridged |
| COOL INSTALLATIONS LIMITED | Repair and installation of machinery | 2004 | Total exemption (full) |
| HANNAWAY HILLTOWN LIMITED | Wood products | 2004 | Total exemption (full) |
| BMP FURNITURE LTD | Furniture | 2004 | Total exemption (full) |
| FEARON BROS LTD | Furniture | 2004 | Total exemption (full) |
| ICONIC SIGN SYSTEMS LTD | Other manufacturing | 2005 | Total exemption (full) |
| ARCHTEC (NI) LTD | Rubber and plastics | 2005 | Total exemption (full) |
| DORAN KITCHENS LIMITED | Furniture | 2006 | Total exemption (full) |
| ANNETT ENGINEERING LTD | Fabricated metal products | 2006 | Total exemption (full) |
| NORTH SOUTH COFFEE COMPANY LTD | Food products | 2006 | Total exemption (full) |
| OSM (IRL) LTD | Repair and installation of machinery | 2006 | Total exemption (full) |
| BOX-IT (IRELAND) LIMITED | Paper and paperboard | 2006 | Total exemption (full) |
| BALLINLISS FORGE LTD | Fabricated metal products | 2007 | Total exemption (full) |
| HORSE FIRST LIMITED | Food products | 2008 | Total exemption (full) |
| HAWTHORNE FOREST PRODUCTS LIMITED | Wood products | 2008 | Total exemption (full) |
| AX BOARD LIMITED | Furniture | 2009 | Unaudited abridged |
| MOBILE VARIABLE MESSAGE SIGNS LIMITED | Other manufacturing | 2009 | Total exemption (full) |
| FLEMING METAL RECYCLING LTD | Fabricated metal products | 2009 | Total exemption (full) |
| O'HARE STEEL LIMITED | Basic metals | 2010 | Total exemption (full) |
| TROUGHTON ENGINEERING AIRCRAFT MAINTENANCE LIMITED | Repair and installation of machinery | 2010 | Unaudited abridged |