Ireland companies starting with O

O & I Motors (Donegal )	Oisin Gallery (Dublin 2 )
O Boyle & Associates (Galway )	OISÍN Irish Language Consultants (Macroom )
O Brien Web Design (Carlow )	OK computers (Tuam )
O' Connor & Co. (Gort )	OK Energy (Galway )
O Connor & Co., Chartered Certified Accountants (Cork )	OK Offaly Kildare Hygiene Supplies by "Selco" (Kildare )
O' Connor O' Dea Solicitors (Newcastlewest )	OKAY CARGO (DUBLIN 22 )
O Connor Roofing Supplies (Dundalk )	O'Keefe Dental Practice (Cork )
O' Connor Woodwork Solutions (Castleconnell )	O'Keefe's Garage (Thomastown )
O Donnabhains Kenmare (Kenmare )	O'Keeffe Auto Body Repairs Ltd (Kilbarry )
O Donnabhains Kenmare Accommodation (kerry )	O'Keeffes (Rathmore) Ltd, Oil Distributors & Hardware Suppliers (Rathmore )
O Donnabhain's Traditional Irish Music Radio Station (Kenmare )	O'Keeffe's Foodstore (Rathcoole )
O Donovan Productions (Limerick )	O'Keeffes Shop (Cork City )
O Dowd maintenance (longford )	OKeeffes Sports & Games (Dublin 6. )
O Dowd maintenance (longford )	O'Kelly Sutton (Kildare Town )
O Duill Digital Photographer (Celbridge )	OKM Architects (Sligo )
O FARRELL CATERING (Nenagh )	Olas (Stillorgan )
O Halloran Cycles (Tralee )	OlasIT Software Training & Development (Stillorgan )
O Hara Byrne Barbershop (Carlow )	Olcun Ltd \| Doors Manufacturers in Monaghan (Carrickmacross )
O Keeffes Country Home (Nenagh )	Old Abbey Dance Studios - Kidkast (Drogheda )
O' KEENEY COACHES (Killybegs )	Old Bakery, Ardee (Ardee )
O' Leary & Associates Training & Consultancy Ltd (Tralee )	Old Bar (Dublin 9 )
O Reilly and Sons (Longford )	Old Bawn Clinic (Tallaght, Dublin 24 )
O' Rourke Security (Carrick on Shannon )	Old Castle House (Glin )
O' SHEA INSURANCES LTD (Bantry )	Old Church Veterinary Hospital (XL Vets Ireland) (Ballyshannon )
O Sullivan Financial Consultants (Letterkenny )	Old Cottage Interiors (Duleek )
O Sullivan Ford (Kenmare )	Old Court Cottages (Terryglass )
O Tuairisg Associates (Galway )	Old Ground Hotel Ennis (Ennis )
O.K. Motors (Finglas )	Old Head Design (Drogheda )
O.K. Motors II (Howth )	old market yard shop (Kilkenny )
O`Brien Swaine Property Partners	Old Mellifont Abbey (Co. Louth )
O`Connor + Shanahan Architects (Limerick )	Old Navan Furniture (Navan )
O`Flynn Architects (Newbridge )	Old Parochial House (Kilmacduane 1,Cooraclare )
O`Neachtain Tours (Spiddal )	Old Parochial House (Kilrush, Co. Clare )
O’Callaghan Alexander Hotel	Old Philips Complex (Stillorgan )
O’Callaghan Mont Clare Hotel	Old Pier Guesthouse & Restaurant (Dingle )
O’Callaghan Stephen's Green Hotel	Old Quarter Dental Surgery (Limerick )
O2 Retail (Wexford )	Old Quarter Dental Surgery (Limerick )
O2 Retail Malahide (Malahide )	Old School House (Cashel )
O2 Store Mallow (Mallow Town )	Old School Of Holistic Therapies (Roscommon )
O-2-B Pain Free (Leixlip )	Old Schoolhouse Restaurant (Swords )
Oak Healthcare - Disabled Bathroom Design	Old Ship Inn (Castlegregory )
Oak Lodge Kitchens, Peter Geraghty (Naas )	Old Thort Self Catering & B&B (Portumna )
Oakleaf Kitchens & Bedrooms (Ashbourne )	Oldcastle Chamber of Commerce: food, hotels, B&B, guest houses, Pubs and Barss (Oldcastle )
Oakline (Dublin 6 )	Oldcastle GFC (Oldcastle )
Oaktree Financial Services Limited (Fermoy )	Oldcastle House Hotel And Restaurant (Oldcastle )
Oakway Test Centre (Dublin 12 )	Oldcastle Motors (Oldcastle )
Oakwood Arms Hotel (Shannon )	OldCoachRoad Internet Sales (Boyle )
Oakwood Stables - http://www.irishponies.ie (Redcross )	Oldcourt Saddlery (Piltown )
OAS Accountants (Dublin 12 )	Olde Castle Bar & Red Hugh's Restaurant (Donegal )
Oasis Acupuncture Clinic (Malahide )	Oldfarm (Nenagh )
Oasis Beauty & Holistic Therapy (Kill )	O'Leary Architecture + Design (Cork )
Oasis Beauty Salon (Callan )	O'Leary Expert Electrical (Killarney )
Oasis Florist and Garden Centre (Terenure )	O'Learys (Enniscorthy )
Oasis Global Management Company (Ireland) Ltd (Dublin 2 )	O'Learys Garage Wexford (Enniscorthy )
Oasis Music (Collooney )	O'Leary's Lissarda (Cork )
Oasisbodymassage (Kilcoole )	O'Learys Patio and General Precast Ltd (Macroom )
Oates Breheny Group (Sligo )	O'Leary's Service Station (Caherdaniel )
OB Drive (Ashbourne )	O'Leary's Service Station (Rear Cross )
OB Plant (Fethard )	O'Leary's Volkswagen Garage (Wexford )
O'Beirn's Pharmacy Ltd (Galway )	Olesya's Wine Bar & Bistro (Dublin )
Obelisk Energy (Cavan )	Olhao Holidays (Dublin 18 )
OBM Oil Boiler Maintenance (Mountmellick )	Olhao Holidays (Dublin 18 )
OBN Financial Services (Carrick on Shannon )	Olimotion Ireland Ltd (Mohill )
Obosdirect \| Online Store (Cork )	Oli's Coffeehouse (Bray )
O'Brein Survey & Design Ltd. (Mountbellew Bridge )	Olive Green Espresso Bar (Dublin 2 )
O'Brien & Co - Accountants and Auditors (Longford )	Olive Murphy Designs
O'Brien Associates (Kilkenny )	Olive Safety (Dublin 22 )
O'Brien Autobody Ltd (Fethard )	Olive Tree Acupuncture and Massage (Dublin 8 )
O'Brien Chop House Restaurant (Lismore )	Oliver Callaghan Insurance (Castlebellingham )
O'Brien Computers (Dublin 15 )	Oliver Lynch Auctioneers (Galway )
OBrien Consulting (Greystones )	Oliver Niland & Co, Chartered Accountant, (Craughwell )
O'Brien Energy Consulting (Enniscorthy )	Oliver Niland and Co (Galway )
O'Brien Harnett & Associates (Dublin 4 )	Oliver P. Morahan & Son (Westport )
O'Brien Kelly's Garage (Limerick )	Oliver Plunketts GAA Club Louth (Drogheda )
O'Brien McBrierty Architects Ltd. (Dublin )	Oliver Sears Gallery (Dublin 2 )
O'Brien Office Systems Ltd (Cork )	Olivere's Health & Beauty (Dungarvan )
O'Brien Ronayne Solicitors (Dublin 24 )	Olivers Estate Agents (Sandyford Industrial Estate )
O'Brien's Garage (Midleton )	Olivia C. Bartlett Psychotherapist and Counselor (Dublin )
O'Brien's Garage (Athlone )	OLIVIA CAHILL INTERIORS (CHURCHTOWN ARDEE )
O'Brien's Garage (Mullingar )	Olivia Keenan Beauty Salon and School of Aesthetics (Monaghan )
O'Briens Holiday Lodge and Camping park (Cashel )	Olivia McCoy Counsellor (Ardee )
O'Briens Lighting (Castleisland )	Olivia Naughton Counselling and Psychotherapy (dublin 2 )
O'Brien's Menswear (Callan )	Olivia's Hair Salon (Ballycotton )
O'Briens mini coach hire (Clonee )	Olivia's School of Motoring (Longford )
O'Briens Renault Garage & Showroom (Mullingar )	Olivier Longuet (Kinvarra )
O'Briens Renault Kilkenny (Kilkenny )	Ollas Design (Dublin 8 )
O'Briens Sandwich Bar Finglas (Dublin 11 )	Ollie's Petcare, Dublin - Pet Sitting, Dog Walking & Taxi (Dublin 1 )
O'Brien's Stores and Filling Station (Screggan )	OLMI Sliding Wardrobes, Stretch Ceilings (Galway )
O'Briens Woodcraft (wiklow )	OLMI Sliding Wardrobes, Stretch Ceilings (Collooney )
O'Briens Woodcraft (wiklow )	Olmi Stretch Ceiling, Komandor Sliding Wardrobes (Castlebar )
OBS BOILER SERVICES	O'Loughlin Insurance Group (Swords )
OBS Storage Systems Ltd (Dublin )	O'loughlin's Bar & Lounge (Enniscorthy )
ObsessionSalsa (Check details below )	O'Loughlin's Hotel (Portlaoise )
OC Design & Print (Dublin )	OLS Architects (Wexford )
OC Digital (Dublin 12 )	Olympia Theatre (Dublin 2 )
OC Engineering (Lixnaw )	Olympic Car Sales (Maynooth )
OCAD (Dundalk )	Olympic Foods Ltd (Maynooth )
O'Callaghan Alexander Hotel (Dublin 2 )	OM Ireland (Rahara )
O'Callaghan Davenport Hotel (Dublin 2 )	O'Mahoney's Service Station (Bennettsbridge )
O'Callaghan Stephens Green Hotel (Dublin )	O'Mahony Donnelly Accountants & Online Marketing (Clonakilty )
O'Callaghan Stephen's Green Hotel (Dublin 2 )	O'Mahony Donnelly Accountants & Online Marketing (Cork )
O'Callaghan's Service Station (Cork )	O'Mahony Pike Architects (Dublin 6 )
O'Carroll's Pharmacy MPSI (Kerry )	O'Mahonys B&B (Killarney )
OCBs Sandwich/Salad Bar (Dublin 2 )	O'Mahony's Booksellers (Limerick )
Occasions Hairdressing - Lucan (Lucan )	O'Mahony's Petrol Station (Enniskean )
Occasions Hairdressing - Maynooth (Maynooth )	O'Mahonys Saddlery & Country Clothing (Fermoy )
Occasions Hairdressing - Sallins (Sallins )	omahonytexturedwalls (Limerick )
Occasions Royale (Ballyhaunis )	O'Malley & Co. Solicitors (Nenagh )
OCCE Architectural & Engineering Services (Milltown Malbay )	O'Malley Ferries (Clare Island) Ltd (Westport )
Occupational Health and Safety Services (Galway )	O'Malley InterSearch (Cork )
Occupational Health Service - The Well at Work (Dundrum, Dublin 16 )	O'Malley InterSearch (Athlone )
Occupational Health Service - The Well at Work (Sandyford, Dublin 18 )	O'Malley InterSearch (Dublin )
Occupational Physiotherapy Solutions Ltd (Dublin )	o'malley transport (Newport )
Océ Dublin (Saggart )	OMAR Consulting Engineers (Clondalkin, Dublin 12 )
Ocean Bay Holiday home (Malin )	O'Mara Motors (Limerick )
Ocean Bliss B&B (Cahersiveen )	Ombudsman for Children's Office (Dublin 1 )
Ocean Fitness Leisure Club (Galway )	OMD (Dublin )
Ocean Harvest Technology (Tuam )	O'Mearas (Athlone )
Ocean Hotel Ltd (Dunmore East )	O'Mearas Pharmacy (Arklow )
Ocean Island (Fethard on Sea )	Omega Diagnostics Ltd (Kilcoole )
Ocean Lodge Hotel (Louisburgh )	Omega Pest Control Services (Drogheda )
Ocean Sands Hotel (Inishcrone )	Omega Pest Control Services (Drogheda )
Ocean Sound (Easkey )	Omegaweb Solutions (Rhode )
Ocean to City (Cork )	OMGroup (Cork )
Ocean View B & B - Guest House Accommodation as Bed and Breakfast in Kerry (Ballydavid Tralee )	Omiel Laundrette ltd (Monasterevin )
Ocean View Cottage	Omni Business Solutions (Tobercurry )
Ocean View Cottage Glenties Donegal (Glenties )	Omni Centre (Dublin )
Ocean Wave Bed & Breakfast (Cleggan )	Omni Park Shopping & Leisure (Dublin 9 )
Ocean Wave Lodge (Sligo )	OmniPro (Dublin 2 )
Oceana Day Spa (Dungarvan )	OmniPro (Carlow )
Oceandivers (Dun Laoghaire )	OmniSys Ltd (Finglas, Dublin 11 )
Oceanic - Virtual Office Group Dublin (Dublin 3 )	Omnivend Systems Ltd (Waterford )
Oceanics Surf School (Tramore )	Omos (Naas )
OceanModus Ltd (Cork )	Omos Ltd. (Naas )
Oceanwide Marketing Ltd (Waterford )	ON Semiconductor (Limerick )
Ochos (Dublin )	On The Edge Ltd. (Ashford )
Ochsner Ireland (Monaghan )	On The Pig's Back (Cork )
OCK Insurance (Swords )	On the Pigs Back Cafe Deli (Cork )
Ocon Chemicals Ltd. (Cork )	On The Spot Tyres (Naas )
O'Connell Architects (Blarney )	On Track Dublin (Dublin )
O'Connell Architects (Corcaigh )	On Yer Bike Tours \| Bike Rental in Cavan (Belturbet )
O'Connell Containers (Cork )	On Your Bike (Baily )
O'Connell St. Dental Practice (Waterford )	On your feet (Dublin 2 )
O'Connell Transport (Cork )	OnandGone.ie (Ballybrittas )
O'Connells (Galway )	OnandGone.ie (Ballybrittas )
O'Connell's Bar Annacotty (Limerick )	Onboard (Dun Laoghaire )
O'Connell's Pharmacy (Kilkenny )	Onboard Surf Snow Sail (Dublin )
O'Connells Restaurant Ballsbridge is now located in Donnybrook (Dublin 4 )	Once Photography (Dublin 7 )
OCONNELLS SHOE SHOP (Arklow )	Onceoffdeliveries.ie (Dublin 2 )
O'Connor & Julian Cashel Vets (XL Vets Ireland) (Cashel )	One 2 One Dogs (Sligo )
O'Connor and Associates (Swords )	One 2 One Driving School (Charlestown )
O'Connor Auctioneers (Tipperary )	ONE 2 ONE MAYOFITNESS (Castlebar )
O'Connor Autotours - Ring of Kerry Tour (Killarney )	One Call Energy (Dubln 2 )
O'Connor Brothers Electrical Tipperary (Tipperary )	One Family (Dublin 2 )
O'Connor Carpentry (Balbriggan )	One Finance (Dundalk )
O'Connor Carroll Bathrooms & Stairlifts Ireland (Dublin )	One Hour For Me (Ratoath )
O'Connor Design Consulting Engineers (Delgany )	One In Four (Dublin )
O'Connor Drain & Sewer Cleaning Services (Athlone )	One Little Studio (Killaloe )
O'Connor Kenneth (Cork )	One Man And His Van (Westport )
O'Connor Kitchens (Mullingar )	One Pico (Dublin )
O'Connor Moore Dentist (Sligo )	One Productions (DUBLIN 2 )
O'Connor Network Services Limited (O'Briensbridge )	One Quote Financial Ltd (Malahide )
O'Connor Opticians (Cork )	One Source Computer Services Ltd. (One-Source.ie) (Dublin 8 )
O'Connor Park (Tullamore )	One Step Ahead (Gents Hairdresser) (Tuam )
O'Connor Quantity Surveyors (Tralee )	One Stop Financial Services (Waterford )
O'Connor Sutton Cronin (Galway )	One Stop Handling Ireland Ltd. (Dublin 15 )
O'Connor Sutton Cronin Consultant Engineers (Dublin )	One Stop Tyres Ltd (Mohill )
O'CONNORS FAMOUS PUB (Galway )	One Stop Wedding Shop (Ballincollig )
O'Connor's Filling Station (Tralee )	ONE Systems (Cork )
O'Connor's Guesthouse (Cloghane )	ONE TO ONE COMPUTER TRAINING (Dublin )
O'Connor's Pharmacy (Dublin 4 )	One Touch Ireland (Ardara )
O'Connor's Post Office and Filling Station (Ballymurn )	One Wedding Centre (Shannon )
O'Connors Seafood Restaurant (Bantry )	One2One Fitness (Cork )
O'Connors Service Centre (Galway )	OneHourTranslation (Dublin )
O'Crualaoi Butchers Fermoy (Fermoy )	O'Neil Electrical (Kilmallock )
O'Crualaoi Butchers, Delicatessen and Party Food (Ballincollig )	O'Neill Clifford Solicitors (Dublin 4 )
Octagon Health and Safety (Clonmel )	O'Neill Consulting, Architecture, Planning (Nenagh )
Ocuco Ltd (Dublin )	O'Neill Dental Care (Swords )
Odd Job Solutions (Ballyhaunis )	Oneill Fitzpatrick Londis (Caherciveen )
Oddbins Churchtown (Dublin )	O'Neill Glass Ltd (Portlaoise )
Oddbins Clontarf (Dublin )	O'Neill Mushrooms (Carrickmacross )
OddjobGiant (Castlebar )	O'Neill Quigley & Associates (Dublin )
ODE SYSTEMS (Tipperary )	O'Neill Quinn Solicitors (Dublin )
O'Deas De Bucket Bar (Limerick )	O'NeillMcHugh Auctioneers (Edgeworthstown )
Odenberg Engineering Ltd - Optical Sorter & Graders (Dublin )	O'NEILL'S FOOD FAIR (Limerick )
Odeon (Dublin 2 )	O'Neills Victorian Pub and Townhouse (Dublin )
Odin Consultants Ltd (Dublin )	OnePageCRM.com (Galway )
O'Doherty Denis \| Builders Providers in Tipperary (Tipperary )	OnePlus Accountants (Dublin 5 )
O'Donnell & Co.Chartered Accountants Limerick (Limerick )	Oneshop Property services (Dublin )
O'Donnell Architects (Galway )	One-Stop Marketing Solutions (Gort )
O'Donnell McKenna Solicitors Donegal (Donegal )	One-Stop Printing (Salthill Galway )
O'Donnell Motors (Dunkineely )	onestopautostop
O'Donnell School of Motoring (Letterkenny )	Onevision Multimedia Ltd. Web Design DVD Production (Carrigaline )
O'Donnell Solon & Co. Solicitors (Dublin 24 )	Ongar Dental Surgery (Dublin 15 )
O'Donnell's Garage (Doonbeg )	Online Business Solutions (Mullingar )
O'Donnell's Pharmacy (Ashbourne )	Online Company & Tax Registration in Ireland (Dublin )
odonnellsdecor.com (Altnaderry )	Online Flowers Limerick - Flowers Forever (Limerick )
O'Donoghue Painting (Craughwell )	Online Golf Travel (Dublin )
O'Donoghues Bar (Dublin )	Online Life Cover Ltd (Cork )
O'Donoghue's Garage (Castletownbere )	Online Marketing and SEO Training Course - eBusinessMatters.com (Dublin 4 )
O'Donohoe Travel (Wexford )	Online Marketing Waterford \| Cian Murphy (Waterford )
O'Donovan Engineering LTD (Coachford )	Online Visibility Solutions (Drucmdondra )
O'Donovan Marquees (Tipperary )	OnlineAdvertising.ie (Dun Laoghaire )
O'Donovan Marquees (Tipperary )	Onlinetradesmen (Dun Laoghaire )
O'Donovan's Hotel (Clonakilty )	Only 100 Made Shoes (Dublin )
O'Donovan's Pharmacy (Tullamore )	Only Foals and Horses (Naas )
O'donovan's Restaurant (Ballina )	Onslow gardens Dental Practice (Cork )
O'Donovan's Service Station (Oola )	OnTime HR & Attendance Systems (Longford )
ODOS Architects (Dublin 2 )	ontraz ireland (Letterkenny )
Odourkill Ireland (Mullingar )	onTraz.ie (Convoy )
O'Dowd Veterinary (Dunleer )	O'Nuaills Bistro (Barntown )
O'Dowds (Carrick on Shannon )	Oona Conroy Shoes (Carlow )
O'Dowd's Seafood Restaurant and Bar (Roundstone )	Oorla Rafter Speech and Drama School (Stillorgan )
O'Driscoll O'Neil Ltd (Dublin 2 )	Open Arms Church (Newbridge )
O'Dwyer Property Management (Dublin 18 )	Open Circle Hypnotherapy (Waterford )
O'Dwyer Safety Services Ltd (Doon )	Open Door (Carrigaline )
O'Dwyer's Foodstore (Newcastle )	Open Ear Productions (Gaillimh )
O'Dwyer's Golf Store (Clonmel )	Open Financial Services (Clontarf, Dublin 3 )
O'Dwyer's Golf Store (Kilkenny )	Open Mind Yoga Dublin (Dublin 2 )
Odwyers Londis (Farranfore )	OPEN OFFICE ARCHITECTS (Dublin )
Odyssey School of Motoring (Newmarket on Fergus )	Open Sky Data Systems (Naas )
Odyssey School of Motoring (Newmarket on Fergus )	Open Source Solutions Ltd (Stillorgan )
O'Farrell Auctioneers (Carlow )	Open Training College (Goatstown )
O'Farrell's Service Station (Galway )	Openet Telecom (Ireland) (Dublin12 )
Off the rails (Ennistimon )	Openeye television (Ballyvourney )
Offaly County Council (Tullamore )	OpenJaw Technologies (Dublin 9 )
Offaly County Enterprise Board (Tullamore )	Openmind Networks (Dublin 2 )
Offaly Solicitors DA Houlihan & Sons (Birr )	Openplain (Dublin )
Offaly Volunteer Centre (Tullamore )	Openplan Architectural Design (Tralee )
Office / DomesticCleaning Dublin (Dublin 13 )	Openreel Entertainment (Dublin )
Office / DomesticCleaning Dublin (Dublin 13 )	Opera Lane Shopping District (Cork )
Office 1 / PC Clinic (Fermoy )	Operations, Productivity, Systems (Youghal )
Office And Ink (Tralee )	Operative Plasterers and Allied Trades Society of Ireland (OPATSI) (Dublin 9 )
Office Cleaners in Ireland \| Jan-Pro Cleaning Services (Dublin )	Ophelia Bridal (Drogheda )
Office Cleaning ACMS (Dublin 1 )	Oplan Office Furniture (Rathcoole )
Office Desks (Dublin )	Optical Express (Dublin )
Office Genies (Co Meath )	Optical Express (Cork )
Office Interiors - Tony O'Donovan (Ballincollig )	Optical Express (Dublin )
Office Ireland-Meeting Rooms	Optical Express (Newbridge )
Office Mutation (Maynooth )	Opticians, Medical Eye Centre in Dublin & Children Eye Testing in Dublin - Dubli (East Dublin 6 )
Office of the Chief Scientific Adviser to the Government (Dublin 2 )	Opticks (Dublin 2 )
Office of the Revenue Commissioners (Dublin 2 )	Optilase eye laser Cork (Cork )
Office Shoes (Dublin 2 )	Optilase Opticians (Dublin )
Office Shoes (Dublin 16 )	Optimal Chiropractic (Cork )
Office Shoes (Dublin )	Optimal Chiropractic (Ballincollig )
Office Shoes (Dublin 2 )	Optimise Design (Dublin 4 )
Office Supplies, Coffee Tea and Sugar at SELCO.ie (Dublin )	Optimize Recruitment (Kilkenny )
Office Support Express (Rathkeale )	Optimum Electrical (Newbridge )
Office Works (Ashbourne )	OPTIMUM MANAGEMENT (Drogheda )
Office World (Clonmel )	Optimum Results Ltd (Dundalk )
Office1web Limited (Citywest Business campus, Saggart )	Optimumscan (Sligo )
OfficeDirect.ie (Leixlip )	Optimus clothing (Killarney )
Officekey.ie (Waterford )	Option Electronics (Dublin )
Officemate (Dublin 11 )	Option1, The Good Food Company (Ballybofey )
Officepods (Dalkey )	Optipharm (Limerick )
OfficeShop.ie (Banchardstown )	Optophonic (Dublin 1 )
officesuites.ie (Dublin )	Opus Cafe Athlone (Athlone )
OfficeThings.ie (Dublin )	Opus Print & Promotions Ltd (Dublin 24 )
OFFSET Events Ltd (Dublin 7 )	OR Concrete Products (Cork )
Offshore Surf Shop (Kinsale )	Or Design Jewellers (Rush )
Offshore Training (Ringaskiddy )	Ora Kitchens Dublin (Carrickmines )
Offshore Waterspors (Sligo )	Oramnews (Castleblayney )
O'Flaherty & Brown Solicitors (Carlow )	Oran Precast Ltd (Oranmore )
O'Flaherty's Bar (Buncrana )	Orange Recruitment Ltd (Dublin 2 )
O'Flaherty's Bar (Dingle )	Oranhill Lodge (Oranmore )
O'Flynn Architectural Design Services (Riverstick )	Oranmore Castle (Oranmore )
O'Flynns Hardwood Flooring Douglas Cork (Cork )	Oranmore Opticians (Oranmore )
OG Consultancy (Blackrock )	Oranmore Service Station (Oranmore )
O'Gara's Filling Station (Kilcar )	ORB Architecture (Castlemartyr )
Ogham Engineering Ltd. (Grange )	Orb Computers (Gort )
OghamTech (Clonakilty )	ORBIS Ireland (Dublin )
Ogogo Limited (Douglas, Cork )	Orbisol (Dublin 2 )
O'Gorman Cunningham Solicitors (Letterkenny )	Orbit Alarms Ltd (Tara )
O'Gorman Meats (Kildare )	Orbit Marketing (Cork )
O'Gorman Solicitors (Limerick )	Orc Breaks Ltd (Hacketstown )
O'Gormans (Kilkenny )	Orchard Cottage (Ballinskelligs )
O'Grady Coaches (Dublin 9 )	Orchard Framing (Killarney )
O'Gradys on the Pier (Barna )	Orchard Grove Holiday Home Malin (Malin )
O'Gradys Service Station (Coolaney )	Orchard Landscapes (Dun Laoghaire )
O'Grady's Townhouse Bed & Breakfast (Waterville )	Orchid Beauty Salon (Newtown Cunningham )
O'Hagan and Company Chartered Accountants and Auditors (Dun Laoghaire )	Orchid Thai Massage (Dublin 2 )
O'Hagan Home (Dublin 4 )	Order of Malta Ireland - Crumlin Unit (Crumlin, Dublin 12 )
O'Hagan Ward & Co., Solicitors (Dublin 6 )	Order of Malta Ireland (Wexford Unit) (Wexford )
O'Halloran's Garage (Carlow )	Orega Systems Ltd (Midleton )
O'HANRAHAN AND COMPANY	Oregan Financial limited (Sandyford, Dublin 18 )
O'Hanrahan Travel (Carrickmacross )	O'REGANS PHARMACY (Carrigaline )
O'Hara Gutters (Tobercurry )	O'Reilly Alarm Systems Ltd (Ashbourne )
O'Hara Solicitors (Athenry )	O'Reilly Car & Metal Disposal (Dublin 11 )
O'Hara's Garage (Freshford )	O'Reilly Doherty Solicitors (Dublin 11 )
O'Hara's Holiday Cottage - Fanad, Donegal (Fanad )	O'Reilly Electrical (Bailieborough )
O'Hara's SPAR (Dublin )	O'Reilly Nurseries
OHB Consulting Ltd (Limerick )	O'Reilly Orna Interior Designer (Kinvarra )
O'Hea PR (Dublin )	O'Reilly Timber Frame (Wexford )
Oideas Gael (Glencolumbkille )	O'Reilly's Auction Rooms (Dublin 8 )
Oidhreacht Chorca Dhuibhne (Trá Lí )	O'Reilly's Filling Station (Cork )
OIL BOILER ENGINEER (Ballyfoyle )	O'Reilly's Garage (Carlow )
Oil Boiler Servicing (Kilkenny )	O'Reillys Newsagents (Oldcastle )
OIL BURNER SERVICE (TIPPERARY TOWN )	O'Reillys Pharmacy (Clonmel )
OIL PAINT MY PET (Killiney )	O'Reilly's Tara St. Station (Dublin )
Oil Rig Training (Ringaskiddy )	Organic Delights (Baltinglass )