| HOWDEN UK LIMITED | Other manufacturing | 1898 | Full accounts |
| SAMUEL COURTNEY LIMITED | Chemicals | 1906 | Audit-exempt subsidiary |
| W.F.B. BAIRD & CO., LIMITED | Textiles | 1912 | Full accounts |
| G.P.S. COLOUR GRAPHICS LIMITED | Printing and recorded media | 1912 | Full accounts |
| FAVOURIT FOODS LTD | Food products | 1915 | Small company accounts |
| SPRINGVALE EPS LIMITED | Other manufacturing | 1936 | Full accounts |
| SHORT BROTHERS PLC | Ships, aircraft, rail and other transport | 1936 | Full accounts |
| JOHN C.BROW, LIMITED | Rubber and plastics | 1943 | Medium company accounts |
| DEVENISH NUTRITION LIMITED | Food products | 1952 | Full accounts |
| PRESSURE TEST SERVICES LIMITED | Repair and installation of machinery | 1954 | Full accounts |
| ABBICOIL SPRINGS LIMITED | Fabricated metal products | 1957 | Total exemption (full) |
| MRJO LIMITED | Textiles | 1965 | Total exemption (full) |
| PALMER AGENCIES LIMITED | Clothing | 1968 | Total exemption (full) |
| KAYFOAM WOOLFSON (BELFAST) LIMITED | Furniture | 1968 | Small company accounts |
| W. T. ROBSON LIMITED | Rubber and plastics | 1968 | Unaudited abridged |
| ULSTER BUSINESS EQUIPMENT (NORTHERN IRELAND) LIMITED | Repair and installation of machinery | 1969 | Total exemption (full) |
| INTERFRIGO LIMITED | Food products | 1973 | Full accounts |
| KEMEK LTD | Chemicals | 1973 | Full accounts |
| RADIOCONTACT LIMITED | Electrical equipment | 1973 | Small company accounts |
| PRECISION LIQUIDS LIMITED | Food products | 1974 | Full accounts |
| D.G.&R.E. BEATTIE LIMITED | Printing and recorded media | 1974 | Total exemption (full) |
| MOORE - WATSON LIMITED | Machinery and equipment | 1974 | Total exemption (full) |
| BLACKSHEEP NI LTD | Printing and recorded media | 1975 | Total exemption (full) |
| TRIANGLE ENGINEERING COMPANY LIMITED | Fabricated metal products | 1975 | Total exemption (small) |
| BROWNS COACHWORKS LIMITED | Motor vehicles and parts | 1976 | Small company accounts |
| BRIAN MCCANCE (STEEL) LIMITED | Fabricated metal products | 1976 | Small company accounts |
| EXCEL GLASS LIMITED | Glass, ceramics, cement and stone | 1977 | Unaudited abridged |
| LISBURN GLASS GROUP LIMITED | Other manufacturing | 1978 | Total exemption (small) |
| NICHROME LIMITED | Fabricated metal products | 1978 | Total exemption (full) |
| AUTOMATION CONTROLS (BELFAST) LIMITED | Electrical equipment | 1978 | Total exemption (full) |
| NORTHERN IRELAND PLASTICS LIMITED | Rubber and plastics | 1979 | Full accounts |
| DAVID MURPHY TOWING BRACKETS LIMITED | Other manufacturing | 1979 | Total exemption (full) |
| NORTH WEST SILOS LIMITED | Food products | 1980 | Audited abridged |
| KING AND FOWLER UK LIMITED | Fabricated metal products | 1980 | Small company accounts |
| KILLYLEAGH BOX CO.LIMITED | Rubber and plastics | 1980 | Small company accounts |
| WILSON SALT LIMITED | Chemicals | 1981 | Small company accounts |
| VG MSO LTD | Printing and recorded media | 1982 | Full accounts |
| LARSEN (MANUFACTURING) LIMITED | Glass, ceramics, cement and stone | 1984 | Full accounts |
| ASSOCIATED PROCESSORS LIMITED | Textiles | 1984 | Total exemption (full) |
| KUL-KIS LIMITED | Beverages | 1985 | Unaudited abridged |
| MARLBOROUGH ENGINEERING LIMITED | Machinery and equipment | 1985 | Total exemption (full) |
| DESSIAN PRODUCTS LIMITED | Rubber and plastics | 1985 | Full accounts |
| PREMIER CEMENT LIMITED | Glass, ceramics, cement and stone | 1987 | Full accounts |
| ALPHAGRAPHIC INKS LIMITED | Chemicals | 1987 | Total exemption (full) |
| NORTHSIDE GRAPHICS LIMITED | Printing and recorded media | 1988 | Small company accounts |
| H.M.G. POWDER COATINGS LIMITED | Chemicals | 1988 | Audit-exempt subsidiary |
| LINAMAR LIGHT METALS BELFAST LIMITED | Basic metals | 1988 | Full accounts |
| WILLIAM CLEMENTS (CHEMICALS) LTD | Chemicals | 1989 | Total exemption (full) |
| BEFAB LIMITED | Fabricated metal products | 1989 | Full accounts |
| ANDOR TECHNOLOGY LIMITED | Computers, electronics and optics | 1989 | Full accounts |
| CIMPINA LIMITED | Repair and installation of machinery | 1990 | Unaudited abridged |
| DALE FARM LIMITED | Food products | 1991 | Group accounts |
| WRX EYEWORKS LIMITED | Computers, electronics and optics | 1991 | Unaudited abridged |
| LASER PROTOTYPES (EUROPE) LIMITED | Rubber and plastics | 1991 | Unaudited abridged |
| GRANNING LYNX (NI) LTD | Ships, aircraft, rail and other transport | 1991 | Audited abridged |
| SAM AEROSPACE (NI) LIMITED | Fabricated metal products | 1992 | Full accounts |
| HILTON FOODS UK LIMITED | Food products | 1992 | Full accounts |
| BIOCOLOR LIMITED | Pharmaceuticals | 1992 | Total exemption (full) |
| SHINSUNG (EUROPE) LIMITED | Electrical equipment | 1994 | Total exemption (full) |
| EVERSHED ROBOTICS LIMITED | Machinery and equipment | 1994 | Total exemption (full) |