| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AEFOS LIMITED | 05405792 | 15/09/2005 | Dissolved |
| FIBEROPTIC TRANSMISSION TECHNOLOGY LIMITED | 02347289 | 14/11/1990 | Insolvent |
| Jenoptec Uk Ltd. | 02263540 | 09/10/1990 | Dissolved |
| OPTICAL COMMUNICATION SERVICES LIMITED | 04092012 | 01/12/2003 | Dissolved |
| WHITTLEBURY COMMUNITY BROADBAND LTD | 13189953 | 09/02/2021 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Brite Brics Ltd | 03235014 | 26/09/1998 | 29/03/1999 | Dissolved |
| Brite Brics Ltd | 03235014 | 20/12/1996 | 16/06/2003 | Dissolved |
| Fibre Optic Solutions Ltd | 03511026 | 15/09/2005 | 14/01/2008 | Dissolved |
| Fibre Optic Solutions Ltd | 03511026 | 16/02/1998 | 14/01/2008 | Dissolved |
| PHOTONICS LEADERSHIP LIMITED | 04223669 | 25/05/2001 | 31/01/2013 | One Red Flag |
| THE FIBREOPTIC INDUSTRY ASSOCIATION LIMITED | 02713611 | 11/05/1992 | 08/12/2005 | Gold |
| THE UK CONSORTIUM FOR PHOTONICS & OPTICS LTD. | 03634393 | 15/05/2008 | 08/11/2010 | Dissolved |
| The Fibre Channel Industry Association Europe | 03510198 | 13/02/1998 | 15/01/1999 | Dissolved |