| Irish Company Name | Partial Irish Company Address |
|---|
| I.O.S.E. Limited | Dublin 2 |
| Io Interactive Ocean Limited | Dublin 3 |
| Io Systems Limited | Athlone, Co. Westmeath |
| Iocann Limited | Dublin 6w |
| Iocsave Limited | Stradbally, Co. Waterford |
| Iodine Limited | Kilcoole, Co. Wicklow |
| Iolar Financial Services Limited | Dunlaoghaire, Co Dublin |
| Iolar Properties Limited | Glasnevin, Dublin 11 |
| Iolar Technologies Limited | Co. Thir Chonaill |
| Iomairt Cholm Chille | Na Forbacha, Co Na Gaillimhe |
| Iompar Bairceir Teoranta | Ballinrobe, Co. Mayo |
| Iompar Logistics Limited | Drumree Road, Dunshaughlin, Co Meath |
| Ion Aviation Limited | Simmonscourt Road, Ballsbridge, Dublin 4 |
| Ion Bike Training Limited | Ballynew, Castlebar |
| Ion Building Contractors Limited | Blessington Road, Saggart, Co Dublin |
| Ion Capital Management Limited | Simmonscourt Road, Dublin 4 |
| Ion Connect Limited | Milltown, Co. Galway |
| Ion Credit Opportunities Fund I Eur Feeder Limited | Minerva House, Simmonscourt Road, Dublin 4 |
| Ion Credit Opportunities Fund I Limited | Minerva House, Simmonscourt Road, Dublin 4 |
| Ion Equity Limited | 35-38 St Stephen'S Green, Dublin 2 |
| Ion Equity Nominees Limited | 35-38 St Stephens Green, Dublin 2 |
| Ion Financial Systems Limited | Kill Avenue, Dun Laoghaire, Co. Dublin |
| Ion Investment Corporation Limited | Simmonscourt Road, Ballsbridge, Dublin 4 |
| Ion Investment Fund Ii Limited | Simmonscourt Road, Dublin 4 |
| Ion Investment Group Limited | Minerva House, Simmonscourt Road, Dublin 4 |
| Ion Principal Investments Limited | Minerva House, Simmonscourt Road, Dublin 4 |
| Ion Renewables Limited | 44/45 Clontarf Road, Dublin 3 |
| Ion Technologies Limited | Palmerstown, Dublin 20 |
| Ion Trading High Frequency Fund Limited | Minerva House, Simmonscourt Road, Dublin 4 |
| Ion Trading Ireland Limited | Simmonscourt Road, Dublin 4 |
| Ion Trading Limited | Minerva House, Simmonscourt Road, Dublin 4. |
| Ion Trading Technologies Limited | Simmonscourt Road, Ballsbridge, Dublin 4 |
| Iona Aero Engineering Limited | Aungier Street, Dublin 2 |
| Iona Appliance Services Limited | Cork |
| Iona Beauty Rooms Limited | Kells, Co Meath |
| Iona Capital Limited | Drogheda, Co. Louth |
| Iona Gamers Limited | Dublin 2 |
| Iona Golf Limited | Kilncooley, Kilmuckridge, Gorey Co. Wexford |
| Iona Hall Management Company Limited | 48 Grand Parade, Cork |
| Iona Hotel Limited | Co. Galway |
| Iona Land Limited | Co. Galway |
| Iona Print Limited | Beech Hill, Clonskeagh, Dublin 4 |
| Iona Renovations & Carpentry Limited | Dublin 7 |
| Iona Rock Developments Limited | Cavan, Co. Cavan. |
| Iona Security Limited | Grange Road, Rathfarnham, Dublin 16 |
| Iona Stores Limited | Dublin 8 |
| Iona Taverns Limited | Saint Margaret'S Road, Finglas, Dublin 11 |
| Iona Technologies Limited | Earlsfort Terrace, Dublin 2 |
| Iona Training Services Limited | Kells, Co. Meath |
| Ionack Limited | Dublin 6 |
| Ionad An Chuirt Teoranta | Gweedore Po, Gweedore, Co. Donegal |
| Ionad Chuilt (Baile Mhic Ire) Teoranta | Ballymakeera, Co. Cork |
| Ionad Cois Locha Teoranta | Leitir, Ceanainn, Co. Dhun Na Ngall |
| Ionad Cuimhneacháin Na Imirceach Teoranta | Caiseal, Conamara, Co. Na Gaillimhe |
| Ionad Cultur Agus Dearadh An Fhairche Teoranta | Kilbride, Clonbur, Galway |
| Ionad Cultura Aiseanna Acla Teoranta | Achill Sound, Co. Mayo |
| Ionad Cúram Leanaí An Spidéil Teoranta | An Spidéal, Co. Na Gaillimhe |
| Ionad Cúram Leanaí Rathcairn Teoranta | Athboy, Co Meath |
| Ionad Cúram Paisti An Clochan Liath Teoranta | Gweedore Road, Dungloe, Co Donegal |
| Ionad Cúram Páistí Ghaoth Dobhair Teoranta | Páirc Ghinó Gaoth Dobhair, Doirí Beaga, Co. Dhun Ná Ngall |
| Ionad Dornalaíochta & Aclaíochta Shéain Uí Mhainín | Co Na Gaillimhe |
| Ionad Ealaiona Iorras Teoranta | Belmullet, Ballina, Co. Mayo. |
| Ionad Eolais Ar Shaol An Pobail Acla Teoranta | Dooagh, Achill, Co. Mayo |
| Ionad Fiontar Pobail Iar Dheisceart Dhun Na Ngall Teoranta | Kilcar, Co. Donegal |
| Ionad Foghlama Chleire Teoranta | An Sciobairin, Co. Chorcai |
| Ionad Forbartha Gno Teoranta | Mervue Business Park, Mervue, Galway |
| Ionad Gaeilge Loch Garman Limited | (Westgate Heritage Centre), Co. Loch Garman |
| Ionad Mara Agus Geoltai Acla Teoranta | Co. Mayo |
| Ionad Na Ndaoine An Tshlanaitheora Teoranta | Ard Easmuinn, Dundalk, Co Louth |
| Ionad Oiliúna & Traenála Anagaire Teoranta | Annagry, Letterkenny, Co. Donegal |
| Ionad Peile Na Gaillimhe Teoranta | Loughgeorge, Co. Galway |
| Ionad Pobail Agus Spoirt Naomh Muire Teoranta | Glenties, Co. Donegal |
| Ionad Pobail Chill Chiarain Teoranta | Cill Chiarain, Conamara, Co. Na Gaillimhe |
| Ionad Pobail Cholmcille Teoranta | Fintown, Co Donegal |
| Ionad Socialta An Daingin Teoranta | An Daingean, Co. Chiarraí. |
| Ionad Tacaíochta Teaghlaigh Teoranta | Indreabhán, Co. Na Gaillimhe |
| Ionad Tumadoirachta Mhiobhai Teoranta | Milford Road, Carrigart Letterkenny, Co. Donegal |
| Ionad Óige Bhearna / Na Bhforbaha Teoranta | Galway |
| Ionaid Bheatha Teoranta | Clonskeagh Road, Dublin 6 |
| Ionair Acropolis Ireland Limited | Hyde Square, 654 South Circular Road, Dublin 8 |
| Ionet Limited | Parkwest Industrial Park, Nangor Road, Dublin 12 |
| Ionet Sales Limited | Parkwest Industrial Park, Nangor Road, Dublin 12 |
| Ionia Capital Public Limited Company | Grand Canal Harbour, Dublin 2 |
| Ionian Dreams Limited | Shankill Business Centre, Shankill, Dublin 18 |
| Ionic Business Systems Limited | Bray, Co. Wicklow. |
| Ionoptix Limited | Hilton House, 3 Ardee Road, Rathmines Dublin 6 |
| Iontaobhas Choláiste Chonnacht Teoranta | An Spidéal, Co. Na Gaillimhe |
| Iontaobhas Cultúir Ghaelach Cnoc Theas Teoranta | Luimineach |
| Iontas Limited | Dublin 2 |
| Ioresource Limited | Rathnew, Co. Wicklow |
| Iorras Aithneach Teoranta | Caiseal, Connemara |
| Iorras Le Cheile Teoranta | Belmullet, Co. Mayo |
| Iorum Consultants Limited | Dublin 1 |
| Iota Developments Limited | Bandon, Co Cork |
| Iota Localisation Holdings | Lindsay Grove Crossguns Bridge Dublin 9 |
| Iota Localisation Services | Lindsay Grove, Crossguns Bridge, Dublin 9 |
| Iota Shares Limited | Sandymount, Dublin 4 |
| Ioti | Fumbally Square, Fumbally Lane, Dublin 8 |
| Iozbi Financial Services Limited | Ballsbridge Park, Ballsbridge, Dublin 4 |
| Íomhánna Éigipteach Teoranta | Údarás Na Gaeltachta, Béal Atha Ghaorthaigh, Co. Chorcaí |
