| Irish Company Name | Partial Irish Company Address |
|---|
| O Neill Butchers Mulhuddart Limited | Mulhuddart, Dublin 15 |
| O Neill Healthcare Limited | Baldoyle Industrial Estate, Dublin 13 |
| O Neill Tree Services Limited | Dunstown, Brannockstown, Naas, Co Kildare |
| O Neill'S Funeral Home (Dunmanway) Limited | Dunmanway, Co Cork |
| O Neills Grocery Store Limited | Enfield, Co. Meath |
| O' Neill Housing Limited | Bilboa, Co. Carlow |
| O' Neill Memorial Headstones Limited | Crumlin, Dublin 12 |
| O'Neill & Company Chartered Surveyors & Auctioneers Limited | Dublin Road, Naas, Co. Kildare |
| O'Neill & Cunningham Building Contractors Limited | Dunmore East, Co. Waterford |
| O'Neill & Flanagan Limited | Aughrim, Co. Wicklow |
| O'Neill Amarach Consultants Limited | Kingswood Road, Citywest Business Campus, Dublin 24 |
| O'Neill And Brennan Limited | Lower Ballymount Road, Dublin 12 |
| O'Neill And Rock Associates Limited | Furze Road, Sandyford, Dublin 18 |
| O'Neill Architects Limited | Ballsbridge, Dublin 4 |
| O'Neill Beacon Consulting Limited | Barrack Square, Ballincollig, Co. Cork P31hw35 Ireland |
| O'Neill Bookmakers Limited | Newmarket-On-Fergus, Co. Clare |
| O'Neill Bros. (Ballindrait) Limited | Lifford, Co. Donegal. |
| O'Neill Bros. Sports Supplies Limited | Clonakilty, Co. Cork |
| O'Neill Brothers Fabrication Limited | Bagenalstown, Co. Carlow |
| O'Neill Brothers Glanworth Limited | Glanworth, Co. Cork |
| O'Neill Commodity Foods Limited | Callan Road, Kilkenny |
| O'Neill Court Management Company Limited By Guarantee | Carrickmacross, Co Monaghan |
| O'Neill Ctb Agri Limited | Lismore, Co. Waterford |
| O'Neill Dalton Limited | New Ross, Co. Wexford |
| O'Neill Deli & Carvery Supplies Limited | Clarina, Co. Limerick |
| O'Neill Document Control Limited | Swords, Co Dublin |
| O'Neill Engineering Limited | Enniscorthy, Co Wexford |
| O'Neill Farms Limited | Askamore, Gorey, Co. Wexford |
| O'Neill Film Productions Designated Activity Company | Dublin 2 |
| O'Neill Fine Food & Delicatessen Limited | Limerick |
| O'Neill Fishing Company Limited | Killybegs, Co. Donegal. |
| O'Neill Flooring Limited | Goresbridge, Co. Kilkenny |
| O'Neill Foley Unlimited Company | Patrick Street, Kilkenny |
| O'Neill Foods Limited | Ferns, Enniscorthy, Co. Wexford. |
| O'Neill Glass Limited | Timahoe Road, Portlaoise, Co Laoise |
| O'Neill Hearing Care Clinic Limited | Clybaun Road Lower, Knocknacarra, Galway. |
| O'Neill Hotel Limited | Clonakilty, Co Cork |
| O'Neill I.T. Limited | Airways Technology Park, Rathmacullig, Kinsale Road, Cork. |
| O'Neill I.T. Resources Limited | Swords, Co. Dublin |
| O'Neill Industrial Sales Limited | Ballysimon Road, Limerick |
| O'Neill Landscapes Limited | Clogherhead, Co. Louth |
| O'Neill Leisure Holdings Limited | Newmarket-On-Fergus, Co. Clare |
| O'Neill Limited | Neville Street, New Ross, Co. Wexford. |
| O'Neill Murphy Limited | Cappamore, Co Limerick |
| O'Neill O'Malley Limited | Technology House, Galway Technology Park, Parkmore Galway |
| O'Neill Physio Limited | Tralee, Co. Kerry |
| O'Neill Pm Engineering Limited | Beaumont, Dublin 9 |
| O'Neill Refrigeration Limited | Castlebellingham, Co. Louth |
| O'Neill Restaurants (Dublin) Limited | Blackrock, Co. Dublin. |
| O'Neill Retail Partnership Limited | Delgany, Co.Wicklow |
| O'Neill Stones Waterjet Cutting Limited | Sandyford, Dublin 18 |
| O'Neill Street Pharmacy Limited | Carrickmacross, Co. Monaghan |
| O'Neill Technical Services Limited | Dungourney, Midleton, Co. Cork |
| O'Neill Weighing Systems Limited | Graiguenamanagh, Co. Kilkenny |
| O'Neill'S Accommodation Limited | Dublin 1 |
| O'Neill'S Bakery (Annagassan) Limited | Co. Louth. |
| O'Neill'S Diesel & Hydraulic Repairs Limited | Co. Galway |
| O'Neill'S Electrical Limited | Airport Business Park, Old Swords Road, Swords, Co Dublin |
| O'Neill'S F & V Limited | Cork |
| O'Neill'S Fresh Produce Limited | Tralee, Co. Kerry |
| O'Neill'S Gifts Limited | Killarney, Co. Kerry |
| O'Neill'S Of Cashel Limited | Cashel, Co. Tipperary. |
| O'Neill'S Transport (Cork) Limited | Whitechurch, Co. Cork. |
| O'Neill-Chambers Security Limited | Belturbet, Co. Cavan |
| O'Neillces Limited | Main Street, Ratoath, Co Meath |
| O'Neills Bakery Limited | Annagassan, Co. Louth. |
| O'Neills Flowers Limited | Riverstown, Dundalk, Co. Louth |
| O'Neills Fuels (Ireland) Limited | Glaslough, County Monaghan |
| O'Neills Irish International Sports Company Limited | Walkinstown Avenue, Dublin 12 |
| O'Neills Power Equipment Limited | Milltown, Co. Kerry |
| O'Neills Shoes Limited | Dublin 1 |
| O'Neills Tramore Licensed Vintners Limited | Tramore, Co. Waterford |
| O.N Ruane Haulage Limited | Castleconnor, Co. Sligo |
| O.N.C. Freight Limited | Oranmore, Co. Galway |
| O.N.D. Limited | Copper Alley, Temple Bar, Dublin 8 |
| O.N.G. Automation Limited | Little Island, Co. Cork. |
| On And Off Road Repairs Limited | Glenaraneen, Brittas, Co. Dublin |
| On Call Security Limited | Duncairn Avenue, Bray, Co. Wicklow |
| On Cloud Nine Creche Limited | 10 Auburn Road, Mullingar, Co. Westmeath |
| On Consulting Limited | Rathgar, Dublin 6 |
| On Line Health Care Limited | Dublin 6 |
| On Optimum Nutrition Limited | Kilkenny |
| On Semiconductor Ireland Research And Design Limited | Loughmore Avenue, Raheen Business Park, Limerick |
| On Site Coating Services Limited | Malahide, Co. Dublin |
| On Site Construction Services Limited | Cavan, Co Cavan |
| On Site Information Systems Limited | Grange, Co. Sligo |
| On Site Power Generation Limited | Newtown Road, Wexford |
| On Site Tyre Services Limited | Coes Road, Dundalk, Co Louth |
| On Stream Publications Limited | Cloghroe, Blarney, Co Cork |
| On Terre Ferme Limited | Mallow, Co. Cork |
| On The Ball Personal Assistants Limited | Tramore, Co. Waterford |
| On The Corner Limited | Ballinteer, Dublin 16 |
| On The Edge Limited | Ballinahinch, Ashford, Co. Wicklow |
| On The Farm Series 2 Productions Designated Activity Company | Dublin 2 |
| On The Go (Otg) Haulage Limited | Carrig, Ballycommon, Nenagh Co. Tipperary |
| On The Go Tyres Limited | Drimoleague, Co. Cork |
| On The Grapevine Limited | Castle Yard, Patrick Street, Dalkey , Co Dublin |
| On The Pigs Back Eatery Limited | Dublin 1 |
| On The River Limited | Stillorgan, Co. Dublin |
| On The Ropes Limited | Ace Enterprise Centre, Bawnogue Road Clondalkin, Dublin 22 |
| On The Spot Therapy Services Limited | Unit 10, Kinsealy Business Park, Kinsealy, Co. Dublin |
| On The Spot Tyres Limited | Osberstown, Naas, Co. Kildare |
| On The Town Restaurant Limited | The Square, Roscommon, Co. Roscommon |
| On The Verge Productions Designated Activity Company | 10 South Anne Street, Dublin 2 |
| On The Wall Gallery (Dublin) Limited | South Anne Street, Dublin 2. |
| On Track Developments Limited | Terenure, Dublin 6w |
| On Voip Limited | National Technology Park, Plassey, Limerick |
| On Your Feet Limited | 7 Patrick Street, Dun Laoghaire, Co. Dublin |
| On&Mb Limited | 6/7 Marine Road, Dun Laoghaire, Co. Dublin |
| On-Line Agricultural Informational Services Limited | Clogheen, Co. Tipperary |
| On-Time Validation Limited | Stradbally Road, Portlaoise, Co Laois |
| On-Track Consulting Limited | Headfort Demesne, Kells, Co. Meath |
| Ona Care Limited | Dublin 12 |
| Ona Finance Limited | Dublin 12 |
| Onagh Consulting Limited | Taughmaconnell, Ballinasloe, Co. Roscommon |
| Onaver Limited | Claremorris, Co. Mayo |
| Onaware Limited | Rockville House, Newtown Road, Waterford |
| Onboard Ireland Relocation Services Limited | Enterprise Centre, Bunratty Drive, Dublin 17, D17 Pd77 |
| Onboard Logistics Limited | Santry, Dublin 9 |
| Oncahu Properties Limited | Newmount House, 22-24 Lower Mount Street, Dublin 2 |
| Once Aviation 2017 Limited | 17-19 Sir John Rogerson'S Quay, Dublin 2 |
| Once Civil & Structural Limited | Kiltipper Road, Tallaght, Dublin 24 |
| Once Upon A Dinner Limited | Rathdrum Enterprise Centre, Corballis Upper, Rathdrum, Co. Wicklow |
| Once Upon A Time... Childcare Limited | Milltown Road, Tuam, County Galway |
| Once Upon Design Limited | Drogheda, Co. Louth |
| Onchan Settlements Limited | Drumcondra, Dublin 9 |
| Onchanton Limited | Citywest Business Campus, Dublin 24 |
| Oncidium Limited | Dublin 2 |
| Oncilla Limited | Dundalk, Co. Louth |
| Oncologica Pm Limited | Northwest Business Park, Blanchardstown, Dublin 15 |
| Oncomark Limited | Dublin 6 |
| Onda Coffee Break International Limited | Dublin 2 |
| Onda Technical Solutions Limited | Stillorgan, Co Dublin, A94f660 |
| Ondot Medical Services Limited | Newcastle, Dublin 22 |
| Ondra Partners Ireland Limited | Dublin 1 |
| One & All Media Network Communications Limited | 9 Cherrywood, Tallanstown, Co. Louth |
| One 2 One Cellular Limited | Kilkenny |
| One 2 One Exclusive Hair Salon Limited | Longford |
| One And Zero It Services Limited | Dublin Road, Drogheda, Co. Meath |
| One Box Vision Limited | Ballingarane Technology Park, Clonmel, Co. Tipperary |
| One Cafe Shankill Limited | Main Street, Shankill, Dublin 18 |
| One Call Limited | Lower Ballymount Road, Walkinstown, Dublin 12 |
| One Contact Dataflow Limited | Parkwest Enterprise Centre, Parkwest, Dublin 12. |
| One Cs Investments Limited | Cork Road, Waterford |
| One Direct (Ireland) Limited | O'Connell Street Lower, Dublin 1 |
| One Eye Golf Limited | Emmet House, Barrack Square, Ballincollig Co. Cork. |
| One Fifty One Capital Limited | 35-38 Saint Stephen'S Green, Dublin 2 |
| One Fifty One Group Ebt Trustees Limited | 35-38 Saint Stephen'S Green, Dublin 2 |
| One Fifty One Treasury Services Unlimited Company | 35-38 Saint Stephen'S Green, Dublin 2 |
| One Focus Business Consultants Limited | Dublin 2 |
| One Foot Abroad Limited | Dublin 2 |
| One For All Hire Limited | Culloville, Co. Monaghan |
| One Foundation Books Company Limited By Guarantee | Dublin 4 |
| One Grand Parade Dublin Real Estate Limited | The Atrium, Blackthorn Road, Sandyford, Dublin 18, D18 F5x2 |
| One Hit Productions Limited | Dublin 2 |
| One Hour Delivery Ireland Limited | Swords, Co. Dublin |
| One Hour For Me Limited | Curragha Road, Ratoath, Co Meath |
| One Identity Seahawk International Holdings Designated Activity Company | Dublin 2 |
| One Identity Seahawk Ireland Limited | Dublin 2 |
| One Identity Software International Limited | Dublin 2 |
| One In Four (Ireland) Company Limited By Guarantee | Dublin 2 |
| One Inn All Inns Limited | Northwest Business Park, Blanchardstown, Dublin 15 |
| One Lemon Street Marketplace Limited | Ballsbridge, Dublin 4 |
| One Little Brick Limited | Seatown Road, Swords, Co Dublin |
| One Little Studio Limited | Old Limerick Road, Killaloe, Co Clare |
| One Living Limited | Dun Laoghaire, Co. Dublin |
| One Louder Sound Limited | Merrywell Business Park, Ballymount Road Lower, Dublin 12 |
| One Many Any Limited | Griffith Avenue, Dublin 9 |
| One Media Online Technologies Limited | Ardee, Co. Louth |
| One Mini World Vision Limited | Laurel Lodge, Castleknock, Dublin 15 |
| One Of A Kind Limited | Donnybrook, Dublin 4 |
| One Piece Sushi Limited | 18 Grand Canal Street Lower, Dublin 2 |
| One Plus One Chinese Restaurant & Takeaway Limited | New Ross, Co. Wexford |
| One Pot Still Distillers Limited | Cork |
| One Premium Fitness Limited | The Kingsley Hotel, Victoria Cross, Cork |
| One Quote Financial Brokers Limited | Malahide, Co. Dublin |
| One Resolve Company Limited By Guarantee | Clonskeagh, Dublin 14 |
| One Ring Consulting Limited | Sixmilebridge, Co Clare |
| One Small Step One Giant Leap Limited | Dundrum Town Centre, Dublin 16 |
| One Solution For Everyone Limited | Market Square, Longford |
| One Source Facility Services Limited | Athenry, Co. Galway |
| One Source Heating Limited | Santry Business Park, Santry, Dublin 9 |
| One Source Innovations Limited | South Strand, Skerries, Co Dublin |
| One Step Clinic Limited | Ridge House, Shanganagh Road, Ballybrack, Dublin |
| One Stop Cabins Limited | Malahide, Co. Dublin |
| One Stop Car Parts Limited | John F Kennedy Road, Dublin 12 |
| One Stop Computer Supplies Limited | Kilcoole, Co Wicklow |
| One Stop Data Ireland Limited | Malahide, Co. Dublin |
| One Stop Delivery Services Limited | Tallaght, Dublin 24 |
| One Stop Engineering Solutions Limited | Knockduff, Kinsale, Co.Cork |
| One Stop Handling Ireland Limited | Dunboyne, Co. Meath |
| One Stop Maintenance Limited | Clondalkin, Dublin 22. |
| One Stop Motor Components Limited | Dry Arch Business Park, Dromore Letterkenny, Co Donegal |
| One Stop Motor Shop (Sligo) Limited | Dry Arch Business Park, Dromore, Letterkenny, Co. Donegal |
| One Stop Motor Shop Limited | Dry Arch Business Park, Dromore, Letterkenny, Donegal |
| One Stop Pc Repairs Limited | 1 Bray Road, Cabinteely, Dublin 18 |
| One Stop Properties Limited | 33 Ballybricken, Waterford. |
| One Story High Limited | Loughlinstown, Co Dublin |
| One Technic Mobile Limited | Dublin 1 |
| One Ten Electrical Limited | Tara, Co. Meath. |
| One To One Computing Limited | Dun Laoghaire, Co. Dublin. |
| One To One Expert Healthcare Limited | Kimmage, Dublin 12 |
| One To Three Nightlife Investments Limited | Academy Street, Cork City, Cork |
| One Touch Automation Limited | Newcastle, Co. Galway |
| One Touch Mobile Engineering Limited | Cratloe, Co. Clare |
| One Tree Studio Limited | Bredagh Glen, Moville, Co. Donegal |
| One Trustee Limited | Dublin 4 |
| One Two One Construction Limited | Ballyorney, Enniskerry, Co. Wicklow |
| One Two Three Esta Designs Limited | Beaufort, Co. Kerry |
| One Way Street Limited | Mountain Bay, Arklow, Co. Wicklow |
| One World Learning Limited | Sallybrook, Glanmire, Co. Cork |
| One World Resourcing Limited | Mountpleasant Avenue, Ranelagh, Dublin 6 |
| One-Pop Consulting Designated Activity Company | Stillorgan, Co. Dublin |
| One-Stop Marketing Solutions Limited | Gort, Co. Galway |
| One15 Digital Xventures Limited | Lower Main Street, Lucan, Co. Dublin |
| One2fifty Euro Gift Shop Limited | Dublin 1 |
| One51 Es Finance Limited | 35-38 Saint Stephen'S Green, Dublin 2 |
| One51 Es Hazardous (Ireland) Limited | 35-38 Saint Stephen'S Green, Dublin 2 |
| One51 Es Hazardous Limited | 35-38 Saint Stephen'S Green, Dublin 2 |
| One51 Es Leasing Limited | 35-38 Saint Stephen'S Green, Dublin 2 |
| One51 Es Metals Limited | 35-38 Saint Stephen'S Green, Dublin 2 |
| One51 Es Plastics (Ireland) Limited | 35-38 Saint Stephen'S Green, Dublin 2 |
| One51 Es Plastics Limited | 35-38 Saint Stephen'S Green, Dublin 2 |
| One51 Group Services Limited | 35-38 Saint Stephen'S Green, Dublin 2 |
| One51 Holdings Limited | 35-38 Saint Stephen'S Green, Dublin 2 |
| One51 Renewable Energy Holdings Limited | 35-38 Saint Stephen'S Green, Dublin 2 |
| One9 Jd Mcgovern Investment Holdings Limited | Station House, Railway Square, Waterford City |
| Oneadvent Limited | Dublin 2 |
| Onebe Hair Salon Limited | Cork City Cork |
| Onebigweb Limited | Pelletstown Manor, Royal Canal Park, Dublin |
| Onecard Total Solutions Limited | Six Cross Roads Business Park, Kilbarry, Waterford |
| Onecare Vision Limited | Dublin 2 |
| Oneclickaccounts Limited | Raheen, Limerick |
| Onedot Developers Limited | Kilgobbin Road, Sandyford, Dublin 18 |
| Onefam Company Limited | Athlone, Co. Westmeath |
| Oneida International Limited | Kildare Village, Nurney Road, Kildare Town, Co.Kildare |
| Oneills Coaches Limited | Greenhills, Bluetown, Allenwood North, Naas, Co. Kildare |
| Oneka Aircraft Leasing Limited | Sutton, Dublin 13 |
| Onelingo Limited | Rushbrook, Cobh, Co Cork |
| Onelink4travel Limited | Lower Baggot Street, Dublin 2 |
| Onelook Systems Limited | Carrigtwohill, Co. Cork |
| Onemile Studio Limited | No.9 Lower Abbey Street, Dublin 1 |
| Oneoff Design Furniture Limited | 32 North Brunswick Street, Stoneybatter, Dublin 7 |
| Onepiece Medical Limited | 6-9 Trinity Street, Dublin 2 |
| Oneplace It Solutions Limited | Naas, Co Kildare |
| Oneplus Accountancy Limited | Raheny, Dublin 5 |
| Oneshare Public Limited Company | Block E Iveagh Court, Harcourt Road, Dublin 2 |
| Onespot Technology Investment Limited | Suite 106, 77 Sir John Rogerson'S Quay, Dublin 2 |
| Onestepcloserto Limited | Crane Street, Dublin 8 |
| Onestop Tavern Limited | Cavan |
| Onestream Webcast Limited | Howth, Co. Dublin |
| Onesubsea Capital Ireland Holding Limited | Haddington Road, Dublin 4, D04 Xn32, Ireland |
| Onet Biz Limited | Leixlip Road, Leixlip, Co. Kildare |
| Onetouchtelecare Limited | Manorhamiliton, Co. Leitrim |
| Onetrue Support Limited | Dublin 7 |
| Onetwofour Capel Street Management Company Company Limited By Guarantee | Dublin 1 |
| Oneview Healthcare Public Limited Company | Carysfort Avenue, Blackrock, Co. Dublin. |
| Oneview Ksa Limited | Blackrock Business Park, Carysfort Avenue, Blackrock, Co. Dublin |
| Oneview Limited | Blackrock Business Park, Carysfort Avenue, Blackrock, Co. Dublin |
| Onevision Multimedia Limited | Rockboro Avenue, Old Blackrock Road, Cork |
| Oneworld Institute Limited | Rivervalley, Swords, Co. Dublin |
| Onex Atr Seven Limited | Dun Laoghaire, Co. Dublin |
| Onex Credit Lending Finance I Designated Activity Company | Kilmore House, Park Lane, Spencer Dock, Dublin 1 |
| Oneybeg Limited | Clonmel, Co. Tipperary |
| Onfcloud Accountant Limited | Patricks Court, Patrick Street, Kilkenny |
| Onformonics Limited | Firhouse Road, Dublin 24 |
| Ongar Catering Limited | Fairview, Dublin 3. |
| Ongar Community Centre Company Limited By Guarantee | Ongar Road, Dublin 15 |
| Ongar Green Property Management Company Limited By Guarantee | 36/41 Dunboyne Business Park, Dunboyne, Co. Meath |
| Ongar International Property Advisory Services Limited | Naas Town Centre, Sallins Road, Naas, Co. Kildare |
| Ongar Lodge Owners Management Company Limited By Guarantee | Main Street, Lucan, Co. Dublin |
| Ongar Restaurant Limited | Ongar, Dublin 15 |
| Ongar Wood Management Company Limited By Guarantee | Ongar Village, Dublin 15 |
| Ongrow Shellfish Limited | Ballisodare, Co. Sligo |
| Onhand Booking And Events Limited | John Street, Pimlico, Dublin 8 |
| Onigiri Design Limited | Knocklyon, Dublin 16 |
| Onionsack Limited | Dublin 2, Co Dublin |
| Onit Solutions Limited | Kilcock, Co. Kildare |
| Onixon Limited | Parnell Road, Dublin 12 |
| Onixpedition Limited | Dublin 6w |
| Onkil Creative Solutions Limited | Naas Road, Blessington, Co. Wicklow |
| Onkimmune Limited | M7 Business Park, Newhall, Naas, Co. Kildare, W91 Hd85 |
| Onkocellular Limited | M7 Business Park, Newhall, Naas, Co. Kildare, W91 Hd85 |
| Online Accommodation Systems Limited | Dublin 2 |
| Online Betting Limited | Kells Road, Navan, Co Meath |
| Online Central Reservations Limited | 120/121 Baggot Street Lower, Dublin 2 |
| Online Charity Games Limited | Ballsbridge, Dublin 4 |
| Online Corner Shop Limited | Tandy'S Lane, Lucan, Co. Dublin |
| Online Furniture Limited | Dun Laoghaire, Co. Dublin |
| Online Gas Applications Limited | Riverview Business Park, Nangor Road, Dublin 12 |
| Online Holiday Cottages To Rent Limited | Henry Street, Limerick |
| Online Information And Training Resource Limited | 10 Pembroke Place, Dublin 2 |
| Online Interiors & Design Limited | Midleton, Co. Cork |
| Online International Transport Limited | Park Manor, Upper Mallow Street, Limerick |
| Online Labels Holdings Limited | Ballycoolin, Dublin 15 |
| Online Labels Limited | Ballycoolin, Dublin 15 |
| Online Liftoff Limited | Co. Monaghan |
| Online Logistics Limited | Northwest Business Park, Ballycoolin, Dublin 15 |
| Online Mussels Limited | Lettergesh West, Renvyle, Co. Galway. |
| Online Oil Limited | Kylemore Road, Dublin 12 |
| Online Payroll Management Limited | South Terrace, Cork, Co. Cork |
| Online Print Marketing Limited | Park Lane, Spencer Dock, Dublin 1 |
| Online Reputation Limited | Kimmage, Dublin 12 |
| Online Sports Courses Limited | Naas, Co. Kildare |
| Online Teetimes Limited | Shankill, Co. Dublin |
| Online Thought Leaders Limited | Beechill, Donnybrook, Dublin 4 |
| Online Training & Subsidary Holdings Limited | Midleton, Co. Cork |
| Online Ventures Hospitality Limited | Docks Road, Galway |
| Online Voucher Shop Limited | Clonakilty, Co. Cork |
| Online Wine Express Limited | Dundalk, Co. Louth |
| Online-Verkauf Limited | 26/27 Upper Pembroke Street, Dublin 2 |
| Onlinehub Limited | Crumlin, Dublin D12 Y8c2 |
| Onlineink Limited | Cleaboy Road, Waterford |
| Only Ahead Consultancy Limited | Swords Enterprise Park, Feltrim Road, Swords Co. Dublin |
| Only Audit Limited | Ballsbridge, Dublin 4 |
| Only Marketing Limited | Upper O'Connell Street, Ennis, Co Clare |
| Only Natural Limited | Wexford |
| Only Sharepoint Limited | Carmanhall Road, Sandyford, Dublin 18 |
| Only Stores Ireland Limited | Dublin 2 |
| Only Three Euro Limited | Ballsbridge, Dublin 4 |
| Onlyone Invest Limited | North Point Business Park, New Mallow Road, Cork |
| Onlypadel Limited | Dublin 2 |
| Onm Consultants Limited | Tullamore, Co. Offaly |
| Onm Systems Limited | Loughrea, Co. Galway |
| Onmerglass Limited | Castleblayney, Co Monaghan |
| Onn Platform Limited | St. Gall Gardens South, Milltown, Dublin 4 |
| Onnad Limited | Dingle, Co. Kerry. |
| Onnat Limited | Malahide Road, Coolock, Dublin 17 |
| Onomah Limited | Portgloriam, Kilcock, Co. Kildare |
| Onomy Holdings Limited | Main Street, Castleblayney, Co Monaghan |
| Onorach Limited | Corrandulla, Co. Galway |
| Onp Entertainment Limited | Price Edward Terrace, Blackrock, Dublin |
| Onpoint Consulting Limited | Horse And Jockey, Thurles, Co. Tipperary |
| Onq Limited | Brennanstown, Old Bray Rd, Cabinteely, Dublin 18 |
| Onsalenow Limited | Vevay Road, Bray, Co.Wickllow |
| Onscreeen Interactive Limited | Custom House Quay, Dublin 1. |
| Onscreen Extras Limited | Dock Road, Galway |
| Onside Marketing Limited | 56 Lansdowne Road, Dublin 4 |
| Onsight Climbing Limited | Finglas, Dublin 11 |
| Onsight Designs Limited | Ballysheedy, Co. Limerick |
| Onsite Consulting Limited | 28 Fitzwilliam Place, Dublin 2 |
| Onsite Facilities Management Limited | Abbeydorney, Tralee, Co Kerry |
| Onsite Investments Limited | An Chuig, Sundrive Road, Rush, Co. Dublin |
| Onsite Maintenance Limited | Fairyhouse Road, Ratoath, Co. Meath |
| Onsite Orthotics Limited | Church Hill, Wicklow, Co. Wicklow |
| Onsite Security Management Limited | Ballymacelligott, Tralee, Co Kerry |
| Onsite Techsolutions Limited | Clonsilla, Dublin 15 |
| Onsite Treat Services Limited | Dublin 2 |
| Onso Limited | Ratoath, Co. Meath |
| Ontario Recruitment Limited | Dublin 4 |
| Ontheqt Limited | Carhoo, Rathpeacon, Co. Cork |
| Ontic - It Limited | Santry, Dublin 9 |
| Ontime Travel Limited | 113 Lower Rathmines Road, Rathmines, Dublin 6 |
| Ontrac Service Station Limited | Clonhenritt, Camolin, Co. Wexford |
| Onward Brewing Company Limited | Ballindoon, Riverstown, Co. Sligo |
| Onwards Learning Limited | Dublin 2 |
| Onwec Limited | Dublin 2 |
| Onyourbike Motorcycle Training Limited | Inch, Killeagh, Co. Cork |
| Onyx Aviation Limited | Swords Enterprise Park, Feltrim Road, Swords, Co. Dublin |
| Onyx Blaze Limited | Herbert Road, Bray, Co. Wicklow |
| Onyx Consulting Limited | Parcnagowan, Kilkenny, Co Kilkenny |
| Onyx Hairdressing Limited | Lavitts Quay, Cork |
| Onyx Haulage Limited | Yellow Walls, Malahide, Co. Dublin |
| Onyx Homes Limited | Greenvalley, Castleknock, Dublin 15 |
| Onyx Infrastructure Investments Designated Activity Company | 76 Baggot Street Lower, Dublin 2, D02 Ek81 |
| Onyx It Solutions Limited | Limerick, Co. Limerick |
| Onyx Marketing Limited | Delgany, Co. Wicklow |
| Onyx Medical Unlimited Company | Block A, Westpoint Business Park, Link Road, Ballincollig, Cork |
| Onyx Onsite Limited | 26/27 Pembroke Street Upper, Dublin 2 |
| Onyx Properties Limited | Greenvalley, Castleknock, Dublin 15 |
| Onze Private Equity Public Limited Company | 30 Herbert Street, Dublin 2 |
