Corporate and public sector clients that O’Hanlon Media has worked with over the years include Ballymaloe Cookery School, Barretstown Gang Camp, BIM, Bord Bia - Irish Food Board, Dara Creative Communications, Dublin Dental School and Hospital, Dunnes Stores, EirGrid, the Environmental Protection Agency, ESB Electric Ireland, Galway Mayo Institute of Technology, Health Research Board, Health and Safety Authority, The Homeless Agency, Health Service Executive, Irish Distillers Pernod Ricard, John Sisk & Son, Jones Lang LaSalle (Ireland), Keating & Associates, McCabe Construction, National Advisory Committee on Drugs (NACD), National Library of Ireland, An Post, Pulse Learning, Samaritans Ireland, Schering AG, Sisters of Charity, Stockbyte, Sustainable Energy Ireland, The Medical Council, University College Dublin, Urban Institute Ireland, Valid Nutrition, Walsh Western International, World Intellectual Property Organization and Wavebob.