A specialist oxygen supply company, BOC, will deliver all your oxygen and oxygen therapy equipment. BOC will take full responsibility for your oxygen supply - whether it is in cylinder, concentrator or liquid form - and will also provide and maintain your equipment. If you have any concerns or questions about this service, you (or a member of your family or a friend) may contact your doctor or practice nurse or your ICB. You could also call the British Lung Foundation Helpline. BOC operates a helpline for patients carers and professional staff, who may wish to discuss individual needs. An Advice and support service is also provided for patients and carers on the use and maintenance of equipment. Home visits can be provided for users of this service.