| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Scunthorpe Curved Glass Ltd | 03301017 | 29/01/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 01285055 LIMITED | 01285055 | 06/04/1992 | 17/06/1999 | Amber |
| BENT TEMPERED GLASS LIMITED | 02170933 | 26/01/1999 | 17/06/1999 | Dissolved |
| Curved Tempered Glass Ltd | 03131718 | 28/11/1995 | 17/06/1999 | Dissolved |
| DARBY GLASS LTD | 01360209 | 26/07/1991 | 17/06/1999 | Insolvent |
| Darby (Midlands) Ltd | 01167664 | 26/01/1999 | 17/06/1999 | Dissolved |
| Darby (South-East) Ltd | 01167665 | 26/01/1999 | 17/06/1999 | Dissolved |
| Darby (West) Ltd | 01387418 | 26/01/1999 | 17/06/1999 | Dissolved |
| Darby Tempered Products (Exports) Ltd | 01143187 | 17/07/1995 | 17/06/1999 | Dissolved |
| Darbyseal Ltd | 01516169 | 26/01/1999 | 17/06/1999 | Dissolved |
| Deltaglas Ltd | 02607574 | 30/05/1997 | 17/06/1999 | Dissolved |
| FLEXHOLD LIMITED | 00766400 | 20/12/2007 | 23/07/2008 | Silver |
| FLEXHOLD LIMITED | 00766400 | 01/12/1999 | 05/08/2021 | Silver |
| Hoylake Products Ltd | 01284351 | 26/01/1999 | 17/06/1999 | Dissolved |
| NAYLOR TECHNICAL SOLUTIONS LTD. | 04126555 | 20/12/2007 | 23/07/2008 | One Red Flag |
| NAYLOR TECHNICAL SOLUTIONS LTD. | 04126555 | 19/03/2001 | 12/01/2024 | One Red Flag |
| Poplar Glass Ltd | 02863598 | 22/10/1997 | 17/06/1999 | Dissolved |
| Rhino Toughened Glass Ltd | SC100039 | 26/01/1999 | 17/06/1999 | Dissolved |
| Seal Units (Norwich) Ltd | 02826850 | 22/10/1997 | 17/06/1999 | Dissolved |
| Starwise Sealed Units Ltd | 02637545 | 15/12/1997 | 17/06/1999 | Dissolved |
| Unique Sealed Units Ltd | 01879182 | 13/05/1994 | 17/06/1999 | Dissolved |