As well as those Jisc-sponsored UK HE and FE institutions listed on the Jisc website who have free access to Zetoc, the following sites subscribe to the service (* Denotes CHEST member):

• Adelaide and Meath Hospital, Incorporating the National Children's Hospital
• An Bord Altranais
• Dublin Institute of Technology
• Health Service Executive (Ireland)
• Fire Service College*
• Midwives Information and Resource Service (MIDIRS)
• National Institute for Biological Standards and Control (NIBSC)
• National Library of Wales*
• National Library of Scotland*
• National Museums of Scotland*
• National University of Ireland, Galway
• NHS Blood and Transplant
• NHS England (trusts and hospitals) **Note** From the end of March 2012 NHS England will no longer have access to Zetoc
• NHS Northern Ireland
• NHS Scotland - Access as NHS Education for Scotland.
• NHS South West London, Croydon Borough Team
• Office for National Statistics*
• Rotunda Hospital
• The Rotherham NHS Foundation Trust
• The Tavistock and Portman NHS Foundation Trust
• Trinity College Dublin*
• University College Cork