| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Augusta Pickling Services Ltd | 02903817 | 02/03/1994 | Dissolved |
| Copperlodge Limited | 02314359 | 05/05/1993 | Dissolved |
| JOHN DAVIS CHEMICAL ENGINEERING LTD | 08612790 | 17/07/2013 | Dissolved |
| JOHN L DAVIS CONSULTANCY LIMITED | 13846475 | 13/01/2022 | Silver |
| John Davis Chemical Engineering Ltd | 03816692 | 30/07/1999 | Dissolved |
| Sps Environmental Engineering Ltd | 02584297 | 06/03/1991 | Dissolved |
| Steel Pickling Services Ltd | 02285330 | 30/09/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|