| A. E. MCCANDLESS & CO. LIMITED | Clothing | 1939 | Total exemption (full) |
| JOHNSTON PRINTING LIMITED | Printing and recorded media | 1957 | Total exemption (full) |
| SPICES NICE LIMITED | Food products | 1972 | Full accounts |
| DIAMOND CORRUGATED CASES LIMITED | Paper and paperboard | 1973 | Medium company accounts |
| INDICATORS INTERNATIONAL LIMITED | Fabricated metal products | 1975 | Total exemption (full) |
| ARDMORE (CO.DERRY) PRE-CAST CONCRETE LIMITED | Glass, ceramics, cement and stone | 1976 | Total exemption (full) |
| JAMES DOHERTY (1987) LIMITED | Food products | 1976 | Total exemption (full) |
| REID MACHINERY SALES LIMITED | Repair and installation of machinery | 1979 | Total exemption (full) |
| W.D. MEATS | Food products | 1979 | Full accounts |
| BRIAN HUNTER LIMITED | Food products | 1981 | Total exemption (full) |
| FLEMING AGRI-PRODUCTS LIMITED | Machinery and equipment | 1983 | Full accounts |
| JAMES DOHERTY (MEATS) LIMITED | Food products | 1987 | Total exemption (full) |
| KESTREL THERMO-PLASTICS LIMITED | Rubber and plastics | 1987 | Small company accounts |
| DIAMOND CONTAINERS LIMITED | Paper and paperboard | 1989 | Total exemption (full) |
| J WILSON AGRICULTURAL LTD | Machinery and equipment | 1997 | Total exemption (full) |
| CASTLEROE PRE-CAST CONCRETE LIMITED | Glass, ceramics, cement and stone | 2002 | Total exemption (full) |
| SOLID SURFACE (N.I.) LTD | Furniture | 2004 | Total exemption (full) |
| NORTH WEST GALVANISING LIMITED | Basic metals | 2004 | Unaudited abridged |