| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Chemlock Amenity (East Anglia) Ltd | 02976929 | 12/06/1995 | Dissolved |
| Eurosafe Spray Systems Limited | 02639682 | 23/08/1991 | Dissolved |
| Megaspray & Maintenance Ltd | 03393612 | 27/06/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CHEMICAL SOLUTIONS LIMITED | 02746147 | 09/09/1992 | 22/12/1997 | Dissolved |
| Chemlock Amenity (Northern) Ltd | 02976926 | 18/10/1994 | 28/08/1998 | Dissolved |
| Chemlock Environmental Services Ltd | 02792486 | 22/02/1993 | 01/06/1996 | Dissolved |
| Norland Design Ltd | 02558947 | 31/01/1994 | 01/06/1996 | Dissolved |
| RIVERLYNX LIMITED | 02742401 | 24/08/1992 | 14/10/1998 | Gold |