| Hearing Aid Manufacturers | |
| Beltone | |
| Oticon | |
| Phonak | |
| Puretone | |
| GN Resound | |
| Siemens-Hearing | |
| Sonic Inovations | |
| Starkey Laboratories | |
| Starkey Direct | |
| Widex | |
| Other Hearing Organisations | |
| The National Deaf Children's Society (NDCS) | |
| The Royal National Institute for Deaf People (RNID) | |
| The British Society of Hearing Aid Audiologists (BSHAA) | |