| BATTLEY MARINE LTD. | Rubber and plastics | 1978 | Total exemption (full) |
| HEITZ ENGINEERING LIMITED | Machinery and equipment | 1980 | Total exemption (full) |
| DOVE COMPANY DESIGN LIMITED | Motor vehicles and parts | 1984 | Total exemption (full) |
| ESSENCE FOODS LIMITED | Food products | 1995 | Total exemption (full) |
| TANK REPLACEMENT SERVICES LIMITED | Repair and installation of machinery | 1995 | Unaudited abridged |
| WESTCOTEC LIMITED | Electrical equipment | 2001 | Total exemption (full) |
| CORROLESS EASTERN LIMITED | Chemicals | 2001 | Total exemption (full) |
| C3 ENGINEERING LIMITED | Fabricated metal products | 2001 | Total exemption (full) |
| JEM PACKAGING LIMITED | Other manufacturing | 2002 | Total exemption (full) |
| UNITMATE LIMITED | Glass, ceramics, cement and stone | 2003 | Total exemption (full) |
| STARFISH LIMITED | Printing and recorded media | 2003 | Total exemption (full) |
| R CLEMENTS & SON LIMITED | Repair and installation of machinery | 2005 | Total exemption (full) |
| MATRIX WIRING LIMITED | Electrical equipment | 2006 | Total exemption (full) |
| RAY TUTTLE (LIFT SERVICES) LIMITED | Repair and installation of machinery | 2007 | Total exemption (full) |
| UNICROSS LIMITED | Glass, ceramics, cement and stone | 2009 | Unaudited abridged |
| BARNES PRINT (EAST ANGLIA) LIMITED | Printing and recorded media | 2010 | Total exemption (full) |