| MONCKTON COKE & CHEMICAL COMPANY LIMITED(THE) | Coke and refined petroleum | 1901 | Audit-exempt subsidiary |
| BEL VALVES LIMITED | Machinery and equipment | 1920 | Audit-exempt subsidiary |
| BATEY METALLIC PACKING COMPANY LIMITED | Fabricated metal products | 1920 | Total exemption (full) |
| W.WILKINSON(SAW MAKERS)LIMITED | Fabricated metal products | 1931 | Total exemption (full) |
| J.O.& R.H.BAIRD LIMITED | Fabricated metal products | 1938 | Total exemption (full) |
| GREGGS PLC | Food products | 1951 | Group accounts |
| BOLTON BROS. (SURGICAL SHOE MAKERS) LIMITED | Leather goods and footwear | 1952 | Total exemption (full) |
| PEACOCKS (SURGICAL AND MEDICAL EQUIPMENT) LIMITED | Other manufacturing | 1956 | Small company accounts |
| PEACOCKS MEDICAL GROUP LIMITED | Other manufacturing | 1956 | Full accounts |
| NOLATO JAYCARE LIMITED | Rubber and plastics | 1958 | Full accounts |
| SIEMENS ENERGY LIMITED | Electrical equipment | 1959 | Full accounts |
| MAYSAN FOODS LIMITED | Food products | 1963 | Total exemption (full) |
| ROTARY POWER LTD. | Machinery and equipment | 1968 | Audit-exempt subsidiary |
| ROTARY MACHINE TOOL CO.LIMITED(THE) | Repair and installation of machinery | 1968 | Total exemption (full) |
| TEW ENGINEERING LIMITED | Machinery and equipment | 1973 | Full accounts |
| JAMES A. JOBLING AND COMPANY LIMITED | Glass, ceramics, cement and stone | 1976 | Full accounts |
| WELBILT (HALESOWEN) LIMITED | Machinery and equipment | 1976 | Full accounts |
| SANGENIC INTERNATIONAL LTD. | Rubber and plastics | 1977 | Audit-exempt subsidiary |
| HARPER SIGNS LIMITED | Fabricated metal products | 1978 | Total exemption (full) |
| RAVENSWORTH GARAGE (NORTH EAST) LIMITED | Ships, aircraft, rail and other transport | 1979 | Total exemption (full) |
| STRETTLE OF NEWCASTLE LIMITED | Other manufacturing | 1979 | Total exemption (full) |
| THE TRENDSETTING GROUP LIMITED | Other manufacturing | 1979 | Full accounts |
| INTEGRATED DISPLAY SYSTEMS LIMITED | Computers, electronics and optics | 1980 | Unaudited abridged |
| DATASUPPLIES (STATIONERY) LIMITED | Printing and recorded media | 1980 | Total exemption (full) |
| SPECIALIST ALARM SERVICES LIMITED | Computers, electronics and optics | 1981 | Small company accounts |
| INDUSTRIAL ENERGY SERVICES LIMITED | Repair and installation of machinery | 1983 | Full accounts |
| NEL TECHNOLOGIES LIMITED | Electrical equipment | 1984 | Small company accounts |
| GLENDALE ENGINEERING (MILFIELD) LIMITED | Fabricated metal products | 1984 | Full accounts |
| IPS NEWCASTLE LTD | Electrical equipment | 1984 | Full accounts |
| PEARSON ENGINEERING LIMITED | Machinery and equipment | 1985 | Group accounts |
| SEA FAB LIMITED | Fabricated metal products | 1985 | Total exemption (full) |
| MAYBORN (UK) LIMITED | Rubber and plastics | 1985 | Audit-exempt subsidiary |
| HITEK ELECTRONIC MATERIALS LIMITED | Computers, electronics and optics | 1985 | Small company accounts |
| MILLFIELD ENTERPRISES (MANUFACTURING) LIMITED | Chemicals | 1986 | Total exemption (full) |
| CENELEC STANDARDS INSPECTIONS LIMITED | Repair and installation of machinery | 1986 | Audit-exempt subsidiary |
| CONSTRUCTION CUTTING SERVICES LIMITED | Other manufacturing | 1987 | Total exemption (full) |
| CITY SIGNS AND DISPLAY LIMITED | Rubber and plastics | 1987 | Total exemption (full) |
| RINGTONS HOLDINGS LIMITED | Food products | 1987 | Small company accounts |
| WHITE BROS. (N'CLE-ON-TYNE) LIMITED | Fabricated metal products | 1987 | Total exemption (full) |
| MULTI-LAB LIMITED | Glass, ceramics, cement and stone | 1988 | Total exemption (full) |
| TECHNIPFMC UMBILICALS LTD | Other manufacturing | 1989 | Audit-exempt subsidiary |
| NORTHERN MOLYBDENUM LIMITED | Chemicals | 1989 | Total exemption (full) |
| BRUSH TECHNOLOGY LIMITED | Other manufacturing | 1990 | Total exemption (full) |
| TYNE ELECTRO DIESEL LIMITED | Repair and installation of machinery | 1990 | Small company accounts |
| PARKER HOSE & FITTINGS LIMITED | Machinery and equipment | 1991 | Total exemption (full) |
| WELBILT UK LIMITED | Machinery and equipment | 1991 | Full accounts |
| AUTOMOTIVE GROUP (NEWCASTLE UPON TYNE) LIMITED | Ships, aircraft, rail and other transport | 1991 | Full accounts |
| AQUASEAL RUBBER LIMITED | Rubber and plastics | 1992 | Total exemption (full) |
| JOBLING PURSER LIMITED | Glass, ceramics, cement and stone | 1992 | Total exemption (full) |
| METRO REPRO LIMITED | Printing and recorded media | 1992 | Total exemption (full) |
| BROWN KNIGHT & TRUSCOTT LIMITED | Paper and paperboard | 1992 | Audit-exempt subsidiary |
| AURORIUM UK LIMITED | Chemicals | 1993 | Full accounts |
| STANGHAL COMPUTING LIMITED | Computers, electronics and optics | 1995 | Total exemption (full) |
| STADIUM EXPORT SERVICES LIMITED | Wood products | 1995 | Audit-exempt subsidiary |
| PREPRESS DIGITAL LIMITED | Printing and recorded media | 1996 | Total exemption (full) |
| MILLFIELD GRP PRODUCTS LIMITED | Rubber and plastics | 1996 | Small company accounts |
| UK INDUSTRIAL TAPES LIMITED | Rubber and plastics | 1997 | Total exemption (full) |
| ROYAL IHC LIMITED | Fabricated metal products | 1997 | Full accounts |
| KMH ELECTRICAL SERVICES LIMITED | Repair and installation of machinery | 1997 | Total exemption (full) |
| AMTECH AUTOMATED MICRO TECHNOLOGY LIMITED | Computers, electronics and optics | 1998 | Total exemption (full) |