Association of Charity Officers (for charity professionals who specialise in looking after the needs of individuals and families and exists to put charities in touch with people in need and people in need in touch with charities) http://www.aco.uk.net
Entific Medical Systems (information about bone conducted hearing aids, particularly for single sided deafness): http://www.entific.com
AMNET is an Eastern Counties, self-help group of former and new Acoustic Neuroma and Meningioma patients and carers, based at Addenbrooke's Hospital, Cambridge, UK