| CLWYD CONCRETE CO.LIMITED | Glass, ceramics, cement and stone | 1954 | Total exemption (full) |
| MORRIS GRANITE & MARBLE COMPANY LIMITED | Other manufacturing | 1955 | Total exemption (full) |
| NHC TECHNOLOGY LIMITED | Furniture | 1981 | Small company accounts |
| VIBRANT MEDICAL LIMITED | Other manufacturing | 1999 | Small company accounts |
| DENBIGH TIMBER PRODUCTS LIMITED | Wood products | 2002 | Total exemption (full) |
| LLAETH Y LLAN CYF | Food products | 2004 | Total exemption (full) |
| HENLLAN BREAD (UK) LIMITED | Food products | 2007 | Full accounts |
| FLUID POWER INITIATIVES LIMITED | Motor vehicles and parts | 2009 | Total exemption (full) |