| Manufacturer | Sector | Year | Accounts type |
|---|---|---|---|
| STOCKS BROS. LIMITED | Glass, ceramics, cement and stone | 1952 | Small company accounts |
| THOMAS ARMSTRONG (CONCRETE BLOCKS) LIMITED | Glass, ceramics, cement and stone | 1964 | Full accounts |
| THOMAS ARMSTRONG (TIMBER) LIMITED | Wood products | 1964 | Full accounts |
| WILLIAM RAINFORD (HOLDINGS) LIMITED | Glass, ceramics, cement and stone | 1970 | Small company accounts |
| RAY HOLYOAK JOINERY LIMITED | Wood products | 2001 | Total exemption (full) |
| RYP MECHANICAL SERVICES LIMITED | Repair and installation of machinery | 2008 | Total exemption (full) |