Dominic O'Connor Ltd are a progressive mechanical building services contractor based in the Loughrea, Co. Galway. Operating in various sectors including healthcare, leisure, commercial & mixed us developments, educational and residential. Becoming a limited company in 2002, the company has grown in size year on year. We specialise in services such as Heating, Plumbing, Ventilation, Building Management Systems, Air conditioning (HVAC), Process piping and High Purity Piping / CIP as well as renewables energy systems.