TNO is one of Ireland’s leading phone companies and provides a phone system repair service for most makes and models including Panasonic, Samsung, NEC, LG, Nortel, Siemens and many more. We also offer a low cost rental service, which allows you to monitor and control call costs. TNO is a distributor for both Eircom & UPC. TNO’s Professional team are based nationwide in the following cities Dublin, Limerick, Cork, Galway and can services areas such as Munster, Leinster & Connacht. TNO is the business telecommunication & Phones Systems business solution.