| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| J. & B. Rains Limited | 01806200 | 14/03/1991 | Dissolved |
| Lilquest Environmental Engineers Ltd | 02374249 | 20/04/1991 | Dissolved |
| R.A. & S.A. Reynolds Ltd | 03708003 | 04/02/1999 | Dissolved |
| T.CROSSLAND & SONS LIMITED | 00328682 | 01/07/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| B.C.S. INDUSTRIAL CLEANERS LIMITED | 01688785 | 22/08/1995 | 20/09/1999 | Insolvent |
| Greyhound Control Systems Ltd | 03864847 | 25/10/1999 | 06/05/2000 | Dissolved |
| JORDAN SPECIAL PROJECTS LTD | 04656630 | 05/02/2003 | 28/11/2019 | Dissolved |
| LILQUEST (VENTILATION SERVICES) LIMITED | 04168611 | 27/02/2001 | 25/04/2003 | Dissolved |
| Maplekey Ltd | 03803343 | 29/07/1999 | 25/04/2003 | Dissolved |
| Mr Mop Ltd | 03435030 | 16/09/1997 | 20/09/1999 | Dissolved |
| SOUTH YORKSHIRE DUCTING SUPPLIES LIMITED | 02671387 | 16/12/1991 | 25/04/2003 | Bronze |
| TREPKO (UK) LIMITED | 02514342 | 21/06/1991 | 21/06/2015 | Gold |