| J.BARBOUR & SONS,LIMITED | Clothing | 1912 | Group accounts |
| FORMICA LIMITED | Wood products | 1915 | Full accounts |
| DURHAM SHEET METAL WORKS LIMITED | Fabricated metal products | 1955 | Total exemption (full) |
| HART DOOR SYSTEMS LIMITED | Machinery and equipment | 1955 | Small company accounts |
| G.NICHOLSON(ENGINEERS)LIMITED | Fabricated metal products | 1956 | Total exemption (full) |
| COFFEE DISTRIBUTORS LIMITED | Food products | 1961 | Total exemption (full) |
| DEPENDABLE BODIES (NEWCASTLE) LIMITED | Ships, aircraft, rail and other transport | 1966 | Unaudited abridged |
| STEPHENSON GOBIN LIMITED | Electrical equipment | 1972 | Audit-exempt subsidiary |
| HITACHI CONSTRUCTION MACHINERY (UK) LIMITED | Machinery and equipment | 1972 | Full accounts |
| CANATRICE LIMITED | Food products | 1975 | Total exemption (full) |
| DALZIEL INGREDIENTS LIMITED | Food products | 1976 | Full accounts |
| PETERSEN STAINLESS RIGGING LIMITED | Fabricated metal products | 1978 | Total exemption (full) |
| CANFORD AUDIO LIMITED | Computers, electronics and optics | 1978 | Full accounts |
| BILL UPSALL (SPORTS) LIMITED | Other manufacturing | 1979 | Total exemption (full) |
| OPSEC SECURITY GROUP LIMITED | Other manufacturing | 1982 | Full accounts |
| LANE PLASTICS LIMITED | Rubber and plastics | 1983 | Total exemption (full) |
| NISSAN MOTOR MANUFACTURING (UK) LIMITED | Motor vehicles and parts | 1984 | Full accounts |
| OPSEC SECURITY LIMITED | Other manufacturing | 1986 | Full accounts |
| LORD TECHNICAL LIMITED | Repair and installation of machinery | 1986 | Total exemption (full) |
| UNIPRES (UK) LIMITED | Fabricated metal products | 1987 | Full accounts |
| PETARDS JOYCE-LOEBL LIMITED | Computers, electronics and optics | 1987 | Full accounts |
| STELRAD LIMITED | Fabricated metal products | 1988 | Full accounts |
| MOGUNTIA FOOD INGREDIENTS UK LIMITED | Food products | 1989 | Full accounts |
| PRIZEPAY LIMITED | Textiles | 1989 | Total exemption (full) |
| ROFLOW LIMITED | Fabricated metal products | 1990 | Total exemption (full) |
| BRAG ENGINEERING LIMITED | Other manufacturing | 1990 | Total exemption (full) |
| NORTHERN PRINT STUDIO LIMITED | Printing and recorded media | 1994 | Total exemption (full) |
| RIVERMEADE SIGNS LIMITED | Other manufacturing | 1997 | Total exemption (full) |
| OVINGTON BOATS LIMITED | Other manufacturing | 1997 | Total exemption (full) |
| ROTATIONAL ENGINEERING LIMITED | Fabricated metal products | 1998 | Total exemption (full) |
| CONNOR SOLUTIONS LIMITED | Computers, electronics and optics | 1999 | Full accounts |
| R.S. VENTS LIMITED | Basic metals | 2000 | Total exemption (full) |
| UK DOCKS MARINE SERVICES SOUTH LIMITED | Ships, aircraft, rail and other transport | 2000 | Small company accounts |
| LYNDON SYSTEMS LTD | Motor vehicles and parts | 2002 | Total exemption (full) |
| CVN PRINT LIMITED | Printing and recorded media | 2002 | Total exemption (full) |
| NORTHERN TUBS LIMITED | Other manufacturing | 2003 | Total exemption (full) |
| W.I.P (WORK IN PROGRESS) LIMITED | Leather goods and footwear | 2003 | Full accounts |
| D & P TROPHIES LIMITED | Other manufacturing | 2003 | Total exemption (full) |
| 1ST CHOICE UPHOLSTERY LTD | Furniture | 2003 | Total exemption (full) |
| MACHINING TECHNIQUES LTD | Fabricated metal products | 2004 | Total exemption (full) |
| J & M SEWING SERVICE LTD | Clothing | 2004 | Total exemption (full) |
| DRAGONFLY VENTURE (UK) LIMITED | Leather goods and footwear | 2004 | Small company accounts |
| DSM FABRICATIONS LIMITED | Fabricated metal products | 2005 | Total exemption (full) |
| LAMINFORM LIMITED | Other manufacturing | 2005 | Total exemption (full) |
| CMP PRODUCTS LIMITED | Electrical equipment | 2007 | Audit-exempt subsidiary |
| AUTO COSMETICS NORTH EAST LIMITED | Repair and installation of machinery | 2007 | Unaudited abridged |
| HVR LIMITED | Electrical equipment | 2007 | Full accounts |