| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Advanced Wastewater Treatment Ltd | 02571310 | 15/04/1991 | Dissolved |
| Deltcrest Alba Ltd | SC126348 | 18/07/1990 | Dissolved |
| Deltcrest Engineering Ltd | 01645678 | 30/06/1990 | Dissolved |
| Ecs Environmental Services Ltd | 03017842 | 21/02/1995 | Dissolved |
| Group Tech Ltd | 02721100 | 15/02/1993 | Dissolved |
| Modular Tank & Systems Ltd | 02407387 | 31/01/1991 | Dissolved |
| Powcon Sales Limited | 02334208 | 29/06/1991 | Dissolved |
| Powcon Sales Limited | 02334208 | 29/06/1991 | Dissolved |
| Water & Sewerage Products Ltd | 01882098 | 11/09/1991 | Dissolved |
| Water & Sewerage Products Ltd | 01882098 | 11/09/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Clinolite (Europe) Ltd | 02693276 | 01/03/1993 | 11/08/1993 | Dissolved |
| Tapsell,A G,Ltd | 01460927 | 31/07/1991 | 04/11/1991 | Dissolved |
| Wave Tec (Uk) Ltd | SC147798 | 01/12/1993 | 30/11/1996 | Dissolved |