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LMIA Approved Companies — O
All 379 employers on the ESDC positive-LMIA register whose name starts with O (decisions through June 2026, published October 30, 2026). Employers with at least 2 approvals or at least 5 approved positions link to a full profile.
| Employer | City | Province | Approvals | Approved positions |
|---|---|---|---|---|
| O & G Restaurants Inc. | Midland | Ontario | 1 | 8 |
| O & R Restaurants Inc. | Whistler | British Columbia | 2 | 5 |
| O Foods ltd | Rosser | Manitoba | 1 | 1 |
| O& B Edmonton Hotel Limited Partnership | Edmonton | Alberta | 1 | 1 |
| O&B Well Hospitality inc | Toronto | Ontario | 1 | 1 |
| O'Chiese Hospitality ltd Partnership | Red Deer | Alberta | 1 | 1 |
| O'Farrell's Sugary inc | Tétagouche Sud | New Brunswick | 2 | 7 |
| O'Neilland Farms | Chatham | Ontario | 1 | 24 |
| O'ROURKE FAMILY VINEYARDS LTD. | Edmonton | Alberta | 2 | 20 |
| O'SOMMET DONNACONA | Donnacona | Quebec | 2 | 3 |
| O-Net Technologies (Canada) Inc. | Kanata | Ontario | 1 | 1 |
| O. Hainault inc | Sherbrooke | Quebec | 1 | 2 |
| O. J. VENTURES LTD. | Abbotsford | British Columbia | 1 | 4 |
| O.K. Food Mart ltd | Okanagan Falls | British Columbia | 1 | 1 |
| O.Y. ADEBISI PROFESSIONAL CORPORATION | Wetaskiwin | Alberta | 1 | 1 |
| O2 Websolutions inc. | Québec | Quebec | 2 | 2 |
| OAK FOODS NORTH AMERICA LTD. | Vancouver | British Columbia | 1 | 1 |
| oak Haven Auto Renewal Limited | St Stephen | New Brunswick | 1 | 2 |
| oak Mount Homes ltd | Surrey | British Columbia | 1 | 1 |
| Oak-land Ford Lincoln Sales Limited | Oakville | Ontario | 1 | 1 |
| Oakel City Canada Ltd. | Mississauga | Ontario | 1 | 1 |
| Oakes Power Services Ltd. | North York | Ontario | 1 | 1 |
| Oakfield sei Ltd. | Markham | Ontario | 1 | 1 |
| Oakfield Service Station Corp | Calgary | Alberta | 1 | 1 |
| Oaklane Orchards Ltd. | Clarksburg | Ontario | 2 | 12 |
| Oakly Construction ltd | Oakville | Ontario | 1 | 2 |
| OAKNOOK Honey Products Ltd. | Ashville | Manitoba | 1 | 24 |
| Oakridge Group Inc. | Hamilton | Ontario | 1 | 5 |
| Oakroom Grill AND Food Ltd. | Prince George | British Columbia | 2 | 2 |
| OAKVILLE LEGACY BANQUET & CONVENTION CENTRE INC. | Oakville | Ontario | 1 | 2 |
| Oakwood Building Solutions Ltd. | Tagish | Yukon | 1 | 1 |
| Oalva Inc. | Mississauga | Ontario | 2 | 2 |
| Oasis des Pionniers | Baie Comeau | Quebec | 2 | 2 |
| Oasis du Repos | Val-d'Or | Quebec | 1 | 6 |
| Oasis Greenhouses Limited | Chatham | Ontario | 1 | 4 |
| Oasis Health System Airdrie Limited | NW Airdrie | Alberta | 1 | 1 |
| Oasis Sales & Service ltd | LAC LA BICHE | Alberta | 1 | 1 |
| OAW RESTAURANT LTD | EDMONTON | Alberta | 1 | 1 |
| Obayashi Canada Ltd. | Mississauga | Ontario | 4 | 5 |
| Obeid Farms 2014 Inc. | Vanessa | Ontario | 3 | 109 |
| Obeliks Inc. | Montréal | Quebec | 2 | 2 |
| Oberland Agriscience Inc. | Halifax | Nova Scotia | 1 | 1 |
| Obibox Logistique | Shefford | Quebec | 1 | 1 |
| OBN Consulting inc | Etobicoke | Ontario | 3 | 6 |
| Obo-look plus inc | Fermont | Quebec | 1 | 1 |
| OBRIANS AUTOMOTIVE INC | Saskatoon | Saskatchewan | 1 | 1 |
| Obstetrics & Gynaecology Associates | Toronto | Ontario | 1 | 1 |
| OC (Brightlight) Production Inc. | Burnaby | British Columbia | 3 | 4 |
| OC OPEN CONNECTION LTD | LADNER | British Columbia | 2 | 2 |
| Ocean Breeze Accounting Inc. | Sechelt | British Columbia | 1 | 1 |
| Ocean Choice International | St. John's | Newfoundland and Labrador | 1 | 120 |
| Ocean Crisp Apple Company | Kentville | Nova Scotia | 1 | 2 |
| Ocean Gate Fishery LTD. | Richmond | British Columbia | 1 | 1 |
| Ocean Palate inc | Mississauga | Ontario | 1 | 3 |
| Ocean Pier inc | Scoudouc | New Brunswick | 4 | 86 |
| Ocean Pier Medical Clinic | Sidney | British Columbia | 2 | 4 |
| Ocean Pride Fisheries Limited | Lower Wedgeport | Nova Scotia | 2 | 27 |
| Ocean Rain International Daycare Center Inc. | Victoria | British Columbia | 2 | 2 |
| Ocean Sushi | Rosedale | British Columbia | 1 | 2 |
| Ocean Village Beach Resort | Tofino | British Columbia | 1 | 2 |
| OCEANS EDGE SEAFOODS LTD. | SALMON RIVER | Nova Scotia | 1 | 15 |
| Oceans Retail Investments inc | Abbotsford | British Columbia | 1 | 2 |
| OCM Auto Financing Group LTD | Ottawa | Ontario | 1 | 1 |
| Octate Mcleod inc | Niagara Falls | Ontario | 1 | 1 |
| Octo Engineering Inc. | Williams Lake | British Columbia | 1 | 3 |
| Octopus Academy Inc. | Richmond | British Columbia | 2 | 5 |
| Octopus Academy Surrey Inc. | Surrey | British Columbia | 1 | 2 |
| OctoSafes Inc. | Lévis | Quebec | 1 | 1 |
| Océanos Immigration inc. | Québec | Quebec | 1 | 1 |
| Oddan Ranching ltd | Maidstone | Saskatchewan | 1 | 1 |
| Odyssey Auto Service Ltd. | Calgary | Alberta | 1 | 1 |
| Odyssey Interactive | Kitchener | Ontario | 2 | 2 |
| Odyssey Shipping Ltd. | Lachine | Quebec | 1 | 1 |
| Odyssey Ventures ltd | Oliver | British Columbia | 1 | 1 |
| Odyssée Aquatique Ltée | Laval | Quebec | 1 | 1 |
| OES GENERAL CONTRACTING INC. | Delta | British Columbia | 1 | 1 |
| off Road Auger ltd | Rimbey | Alberta | 1 | 1 |
| off the Grid Inc. | Maidstone | Saskatchewan | 1 | 1 |
| OFF THE HOOK SURF TURF SMOKERY LTD | Nanaimo | British Columbia | 4 | 5 |
| OGS Management Corp. | Toronto | Ontario | 1 | 1 |
| oh & lee Food Ltd. | Surrey | British Columbia | 1 | 1 |
| OH LA LA NAILS & SPA INC. | Calgary | Alberta | 1 | 1 |
| Ohana Poke Ltd. | Victoria | British Columbia | 3 | 3 |
| OHM CONVENIENCE INC | Blenheim | Ontario | 1 | 1 |
| OHM RETAILING INC | VANCOUVER | British Columbia | 1 | 1 |
| OHS Global Inc. | TORONTO | Ontario | 1 | 1 |
| oil City Machining Ltd. | Edmonton | Alberta | 1 | 1 |
| oil City Ready mix Ltd. | Nisku | Alberta | 2 | 3 |
| oil City Signs Inc. | St. Albert | Alberta | 1 | 1 |
| Oillink Trucking Ltd. | Edmonton | Alberta | 1 | 6 |
| Oishii Buffet Inc. | Calgary | Alberta | 1 | 1 |
| OISHII LTD | beaumont | Alberta | 1 | 1 |
| OJ's Duncan Restaurant Inc. | DUNCAN | British Columbia | 1 | 7 |
| OK LIFT LTD | MISSISSAUGA | Ontario | 1 | 1 |
| OK Pneus Charest | Québec | Quebec | 1 | 1 |
| OK TOUR COMPANY LTD | Burnaby | British Columbia | 1 | 1 |
| OKANAGAN FROZEN DOUGH ULC | ARMSTRONG | British Columbia | 1 | 3 |
| Okanagan Hospitality LTD | Vernon | British Columbia | 1 | 1 |
| Okanagan Parasail Company Ltd. | Kelowna | British Columbia | 1 | 2 |
| Okanagan Premium Produce Ltd. | Oliver | British Columbia | 1 | 1 |
| OKANAGAN SUNSHINE FRUIT PACKER LTD. | Oliver | British Columbia | 2 | 152 |
| Okanagan TH Holdings Ltd. | Oliver | British Columbia | 2 | 2 |
| Okanagan Valley Bottle & Recycling Ltd. | Penticton | British Columbia | 1 | 1 |
| Okanagan Valley Produce | OLIVER | British Columbia | 1 | 5 |
| OKANAGAN WASH ZONE CORPORATION | Kelowna | British Columbia | 1 | 2 |
| Okane Sushi bar Restaurant Inc. | Brossard | Quebec | 1 | 1 |
| OKIOK | LAVAL | Quebec | 1 | 1 |
| Okotoks Burns Investments inc | Okotoks | Alberta | 1 | 1 |
| Okotoks Daycare Inc. | Okotoks | Alberta | 1 | 1 |
| Okta | Toronto | Ontario | 1 | 2 |
| Okyere CPA Professional Corporation | mississauga | Ontario | 1 | 1 |
| Olayemi law Professional Corporation | Regina | Saskatchewan | 1 | 1 |
| old Faithful Shop Ltd. | Vancouver | British Columbia | 1 | 1 |
| old gate farm | Mountainview County | Alberta | 3 | 8 |
| old Orchard inn | Greenwich | Nova Scotia | 1 | 1 |
| old World Flooring Ltd. | Calgary | Alberta | 1 | 1 |
| Oldham Batteries Canada Inc. | Montréal | Quebec | 1 | 1 |
| olds agtech industries ltd. | Olds | Alberta | 1 | 1 |
| Olds Hotel Investments Limited | Olds | Alberta | 1 | 1 |
| ole Farms ltd | Athabasca | Alberta | 1 | 2 |
| Oliméga Inc. | SAINT-EDOUARD-DE-NAPIERVILLE | Quebec | 2 | 2 |
| Olios Pizza ltd | Fort St. John | British Columbia | 1 | 1 |
| Olive Bistro & Lounge Inc. | Jasper | Alberta | 1 | 1 |
| Olive Grove West Childcare Ltd. | West Vancouver | British Columbia | 1 | 1 |
| OLIVE TREE GREEK RESTAURANT LTD o/a YIANNIS TAVERNA | EDMONTON | Alberta | 1 | 1 |
| Olive Tree Wellness Clinic LTD | Burnaby | British Columbia | 1 | 1 |
| Oliver's Coffee Corporation | Bracebridge | Ontario | 1 | 1 |
| Olivier Chrysler Baie-Comeau | Baie-Comeau | Quebec | 2 | 2 |
| OLIVIER NISSAN SEPT-ÎLES INC. | Sept-Îles | Quebec | 1 | 1 |
| Olivier Sept-Îles Chrysler Dodge Jeep ram Inc. | Sept-Îles | Quebec | 2 | 3 |
| Olszowka Poultry Inc. | Simcoe | Ontario | 3 | 11 |
| Olusegun Ajayi Professional Corporation | Edmonton | Alberta | 1 | 1 |
| OlyM s.e.c | Boucherville | Quebec | 4 | 49 |
| Olymel s.e.c / l.p | Boucherville | Quebec | 22 | 279 |
| Olymel S.E.C/L.P | Boucherville | Quebec | 1 | 3 |
| Olympic Roofing ltd | Coquitlam | British Columbia | 1 | 4 |
| Olynorth Farms LP | Humboldt | Saskatchewan | 1 | 5 |
| Olypork Limited Partnership | HUMBOLDT | Saskatchewan | 2 | 6 |
| OM Accounting Professional Corporation | Mississauga | Ontario | 2 | 3 |
| om Canpacific International Inc. | ETOBICOKE | Ontario | 2 | 2 |
| OM FOODS SAINT JOHN INC. | St. John | New Brunswick | 1 | 1 |
| om Ganesha Enterprises inc | Didsbury | Alberta | 1 | 1 |
| om india food centre toronto ltd | toronto | Ontario | 1 | 1 |
| om Krishna Inc. | Saint Stephen | New Brunswick | 1 | 1 |
| om Maruti inc | Fredericton | New Brunswick | 1 | 1 |
| om namah shivay food inc. | saskatoon | Saskatchewan | 1 | 1 |
| OM PAVAK inc | Fredericton | New Brunswick | 1 | 1 |
| OM SHIV SHAKTI INC. | SAINT JOHN | New Brunswick | 1 | 1 |
| OM SHIVAY SAI ENTERPRISE INC. BarBurrito | Thunder Bay | Ontario | 1 | 1 |
| OM SND LTD. | SHERWOOD PARK | Alberta | 1 | 1 |
| om Vishvam Enterprise limited | Vernon | British Columbia | 1 | 1 |
| Omega 2000 Cribbing Inc. | Calgary | Alberta | 1 | 10 |
| Omega Flooring ltd | Lethbridge | Alberta | 1 | 1 |
| Omega Formwork Inc. | Mount Uniacke | Nova Scotia | 1 | 3 |
| OMEGA SOFTWARE SERVICES LTD. | SCARBOROUGH | Ontario | 1 | 1 |
| Omfal Inc. | Mississauga | Ontario | 1 | 1 |
| OMG NailSpa ltd | Edmonton | Alberta | 1 | 2 |
| OMID PJ19 FOODS LTD | West Vancouver | British Columbia | 2 | 2 |
| Omkar Inc. | Oromocto | New Brunswick | 1 | 1 |
| OML Residences Limited Partnership | Ottawa | Ontario | 1 | 1 |
| Omni Biotech Innovations ltd | RICHMOND | British Columbia | 1 | 1 |
| Omni Drywall ltd | Surrey | British Columbia | 1 | 4 |
| Omni Quality Living (East) Limited Partnership | Aurora | Ontario | 3 | 3 |
| Omnidigi Inc. | Burnaby | British Columbia | 1 | 1 |
| Omnifission inc | BRAMPTON | Ontario | 1 | 1 |
| OmniLyte Enviro Inc. | Wawanesa | Manitoba | 1 | 1 |
| OmniPet Nutrition Inc. | Abbotsford | British Columbia | 2 | 3 |
| OMO Teppan & Kitchen Inc. | CALGARY | Alberta | 2 | 6 |
| OMSAI PICTON INC. | Prince Edward | Ontario | 1 | 2 |
| ON POINT HYDROVAC SERVICES LTD | BOLTON | Ontario | 1 | 1 |
| on tea rio Bubble tea and Bites | WOODSTOCK | Ontario | 1 | 1 |
| On-time Freight inc | Calgary | Alberta | 1 | 2 |
| Ondrejicka Elevators Limited | Exeter | Ontario | 1 | 2 |
| one Call Drywall Solutions ltd | Surrey | British Columbia | 1 | 1 |
| ONE EMPIRE INCORPORATED | Mississauga | Ontario | 1 | 1 |
| one Floral Group | Jordan Station | Ontario | 3 | 125 |
| one Horn Developments Ltd. | Calgary | Alberta | 1 | 1 |
| ONE NATION LOGISTICS LTD | Edmonton | Alberta | 1 | 3 |
| one Plus one Construction ltd | Surrey | British Columbia | 1 | 2 |
| one River Solutions Inc. | Hanover | Ontario | 1 | 1 |
| one stop collision centre | Mississauga | Ontario | 1 | 1 |
| one Stop Legal Services Ltd. | Calgary | Alberta | 1 | 1 |
| one Stop Mechanical Ltd. | Vancouver | British Columbia | 1 | 1 |
| ONE TOUCH CONTRACTING LTD. | Surrey | British Columbia | 1 | 1 |
| one Touch Heat and Cool inc | Moncton | New Brunswick | 2 | 2 |
| ONE WEST AUTO LTD. | VANCOUVER | British Columbia | 2 | 2 |
| One10 Spice inc | Mississauga | Ontario | 1 | 1 |
| One80 Construction Inc. | EDMONTON | Alberta | 1 | 1 |
| ONEJC SUSHI&KOREAN | Vancouver | British Columbia | 1 | 1 |
| OneOcean (Canada) inc | Montréal | Quebec | 1 | 1 |
| OnePlace Company Inc. | Toronto | Ontario | 1 | 1 |
| Onepoint développement inc. | Montréal | Quebec | 1 | 1 |
| OneSky Community Resources | Penticton | British Columbia | 4 | 4 |
| ONESUBSEA PROCESSING AS | SANDSLI | Employers carrying on business in Canada with Head Office outside of Canada | 1 | 1 |
| Ongjake Inc. | Mississauga | Ontario | 1 | 1 |
| Ongles Lachenaie | Terrebonne | Quebec | 1 | 1 |
| Ongles Rivières (2024) Inc. | Trois Rivieres | Quebec | 1 | 1 |
| ONIKON Creative Inc. | Surrey | British Columbia | 3 | 3 |
| Onipro inc. | Sherrington | Quebec | 3 | 34 |
| ONIT Construction Inc. | Burlington | Ontario | 1 | 1 |
| ONKAR INSURANCE BROKERS LTD | edmonton | Alberta | 1 | 1 |
| ono Cannabis inc | Lévis | Quebec | 1 | 9 |
| Ono's Sushi Ltd. | Abbotsford | British Columbia | 1 | 1 |
| Onos Greenhouses ltd | Rosedale | British Columbia | 2 | 24 |
| Onsem Food Ltd. | Campbell River | British Columbia | 1 | 2 |
| Onsite HQ Inc. | Vancouver | British Columbia | 1 | 1 |
| Onsite Machining Inc. | Alma | Employers carrying on business in Canada with Head Office outside of Canada | 1 | 4 |
| Onsite Treatment Services AS | Tananger | Employers carrying on business in Canada with Head Office outside of Canada | 1 | 1 |
| Ontario Badminton Academy Crop. | Markham | Ontario | 1 | 2 |
| ONTARIO CAMERA CORP. | Etobicoke | Ontario | 1 | 1 |
| Ontario Chrome inc | Oakville | Ontario | 1 | 1 |
| Ontario College of art and Design University | Toronto | Ontario | 1 | 1 |
| ONTARIO GM CONSTRUCTION SERVICES INC | TORONTO | Ontario | 1 | 1 |
| Ontario Golden Chefs ltd | Woodbridge | Ontario | 1 | 1 |
| ONTARIO HALAL MEAT FARMS INC. | Hamilton | Ontario | 1 | 1 |
| Ontario Impex of Canada Inc. | Mississauga | Ontario | 1 | 1 |
| Ontario Judo Black Belt Association | Scarborough | Ontario | 1 | 1 |
| Ontario Limited 1970142 | Niagara Falls | Ontario | 1 | 1 |
| Ontario Medical Reporting inc | Toronto | Ontario | 1 | 1 |
| Ontario Mushroom Farms Inc. | Ashburn | Ontario | 2 | 12 |
| Ontario Pickle Corporation | Chatham | Ontario | 3 | 47 |
| Ontario Plants Propagation Limited | St. Thomas | Ontario | 6 | 205 |
| ontario Popping corn company | Walsingham | Ontario | 1 | 1 |
| Ontario Potato Dist. (Alliston) Inc. 1991 | Alliston | Ontario | 2 | 3 |
| Ontario Shipyards Inc. | Hamilton | Ontario | 1 | 10 |
| Ontario Tarp & Trailer Systems Inc. | Milton | Ontario | 3 | 4 |
| Ontario Teachers' Pension Plan | Toronto | Ontario | 1 | 1 |
| Ontime Construction & Electrical Inc. | Brampton | Ontario | 1 | 1 |
| Onway Transport inc | Calgary | Alberta | 1 | 6 |
| onx Enterprise Solutions Ltd. | Toronto | Ontario | 1 | 1 |
| Onyx-Fire Protection Services Inc. | Mississauga | Ontario | 2 | 2 |
| Onésime Pouliot AgriPlant inc | Saint-Jean-de-l'Ile-d'Orléans | Quebec | 2 | 39 |
| Oostdale Farm | Antigonish | Nova Scotia | 1 | 1 |
| Oosthuysen AG co | Rm of Sliding Hills | Saskatchewan | 2 | 4 |
| opa Sushi Limited | Prince Rupert | British Columbia | 3 | 3 |
| OPAL-RT TECHNOLOGIES | Montréal | Quebec | 7 | 10 |
| opale net inc. | Montréal | Quebec | 1 | 1 |
| OPC.TV INC | Toronto | Ontario | 3 | 9 |
| Open Farm Inc. | Toronto | Ontario | 1 | 1 |
| Open jaw Network Ltd. | Toronto | Ontario | 1 | 1 |
| Open Windows Inc. | Richmond | British Columbia | 1 | 2 |
| OPENLANE CANADA INC. | Toronto | Ontario | 1 | 1 |
| OpenRoad Auto Group Limited | Richmond | British Columbia | 1 | 1 |
| OpenRoad Auto Group Ltd. | Richmond | British Columbia | 1 | 1 |
| Operational Geotechs Canada | Vancouver | British Columbia | 1 | 1 |
| Opex Foods ltd | London | Ontario | 1 | 3 |
| Opex Restaurants (1997) Ltd. | London | Ontario | 1 | 2 |
| Opex Restaurants Ltd. | London | Ontario | 1 | 1 |
| Opsia Inc. | Montreal | Quebec | 1 | 1 |
| Optable Technologies Inc. | Montréal | Quebec | 1 | 1 |
| Opti2020 inc. | St-Lazare-de-Bellechasse | Quebec | 1 | 1 |
| Optical Center | Montréal | Quebec | 1 | 2 |
| Optima Drywall & Acoustics ltd | Thornhill | Ontario | 1 | 1 |
| Optimal Irrigation Corp. | Vaughan | Ontario | 1 | 2 |
| Optimal Structural Formwork | Grand-Barachois | New Brunswick | 1 | 13 |
| Optimetal 360 inc. | Montmagny | Quebec | 1 | 1 |
| Optimil Machinery Inc. | DELTA | British Columbia | 1 | 1 |
| Optimize Global Asset Management Inc. | Toronto | Ontario | 2 | 2 |
| OPTIMUM GÉNÉTIQUE, S.E.C. | Saint-Isidore | Quebec | 1 | 1 |
| Optimum Informatique inc. | MONTRÉAL | Quebec | 1 | 1 |
| Option Métal Recyclé du Québec, Coopérative de Solidarité | Québec | Quebec | 1 | 1 |
| OPTIONS MANAGEMENT GROUP INC. | Vancouver | British Columbia | 1 | 1 |
| Optis Consulting | Vancouver | British Columbia | 1 | 1 |
| Optisurfaces inc. | Québec | Quebec | 1 | 1 |
| OPTITUBE 360 INC | LÉVIS | Quebec | 1 | 1 |
| Optométrie Montracton inc. | Montreal | Quebec | 1 | 1 |
| Opus Clip Inc. | Burnaby | British Columbia | 1 | 1 |
| OPUS FORMING INC. | SURREY | British Columbia | 2 | 2 |
| Opus Restaurant and bar o/a 1344864 Alberta Ltd. | Edmonton | Alberta | 1 | 2 |
| Opérations OpenAirlines Canada Inc. | Montréal | Quebec | 1 | 1 |
| ora Graphene Audio Inc. | Montréal | Quebec | 1 | 1 |
| Orange Paysagement inc | Saint-Charles Borromée | Quebec | 1 | 18 |
| Orangeline Farms Limited | Leamington | Ontario | 5 | 37 |
| ORANYA FARMS II HOLDINGS INC | Aldergrove | British Columbia | 1 | 6 |
| Orbis Express Ltd. | Richmond | British Columbia | 1 | 1 |
| Orbit Garant Drilling | Garson | Ontario | 1 | 1 |
| ORBIT MOTOR CARRIERS INC | Steinbach | Manitoba | 2 | 12 |
| ORCA Global Express Ltd. | ABBOTSFORD | British Columbia | 1 | 5 |
| Orca Realty Inc. | West Vancouver | British Columbia | 1 | 1 |
| ORCAFY INC. | Etobicoke | Ontario | 1 | 1 |
| Orchard Home Farm | ST GEORGE BRANT | Ontario | 1 | 1 |
| Orchard Park Growers Ltd. | St. Catharines | Ontario | 4 | 46 |
| Orchard Shade Farms Ltd. | NORTHAMPTON | New Brunswick | 1 | 8 |
| Orchestre symphonique de Montréal | Montréal | Quebec | 1 | 1 |
| Ordre des architectes du Québec | Montréal | Quebec | 1 | 1 |
| Oretta Hospitality Inc. | Toronto | Ontario | 1 | 2 |
| Oretta Midtown inc | Toronto | Ontario | 2 | 3 |
| Organic Wave Orchard inc | Waterloo | Ontario | 1 | 10 |
| ORGANICTHAISPA LTD. | Vancouver | British Columbia | 2 | 2 |
| Organigram inc | Moncton | New Brunswick | 2 | 3 |
| Organisme EXMURO art public | Québec | Quebec | 1 | 1 |
| Oriental Development Ltd. | Victoria | British Columbia | 1 | 2 |
| Origen RV Accessories ltd | Calgary | Alberta | 1 | 1 |
| Origin at Spring Creek Inc. | Canmore | Alberta | 6 | 8 |
| Origin Organic Farms Inc. | Delta | British Columbia | 2 | 14 |
| Original Foods Limited | Dunnville | Ontario | 2 | 16 |
| Original Joe's Franchise Group Inc. | Calgary | Alberta | 5 | 53 |
| Original Roof Maintainer Inc. | Delta | British Columbia | 1 | 1 |
| Original Tandoori Kitchen | Vancouver | British Columbia | 1 | 2 |
| Originality.AI inc | Collingwood | Ontario | 1 | 1 |
| Origineer Consulting Inc. | Burnaby | British Columbia | 1 | 1 |
| Orillia Drywall ltd | Orillia | Ontario | 1 | 1 |
| Orin Contracting Services Inc. | CONCORD | Ontario | 1 | 3 |
| Oriole Landscaping Ltd. | Toronto | Ontario | 1 | 1 |
| ORION PLASTICS INC. | St. Albert | Alberta | 1 | 1 |
| Orlick Industries Limited | Hamilton | Ontario | 2 | 2 |
| Ormuco inc | Westmount | Quebec | 1 | 1 |
| Ornelas farms inc | Niagara on the lake | Ontario | 1 | 2 |
| Ornge Global air Inc. | Mississauga | Ontario | 2 | 4 |
| Orrett Music inc | Etobicoke | Ontario | 1 | 1 |
| ORSAINVILLE AUTOS LTÉE | Québec | Quebec | 2 | 3 |
| Orthogone Technologies Inc. | Saint-Laurent | Quebec | 1 | 1 |
| Orzech eye T (2014) Consulting | Montreal | Quebec | 1 | 1 |
| OSCAL.AI Inc. | Montreal | Quebec | 1 | 1 |
| Oscar Freightways inc | Abbotsford | British Columbia | 3 | 3 |
| Osedea Inc. | Montreal | Quebec | 1 | 1 |
| OSGOODE PHARMACY LTD | OSGOODE | Ontario | 1 | 1 |
| OSI Précision inc | Saint-Georges | Quebec | 1 | 1 |
| Ositech Communications Inc. | GUELPH | Ontario | 1 | 1 |
| OSM CONSTRUCTION LTD | BRAMPTON | Ontario | 1 | 1 |
| OSM Maritime Crew Ltd. | Limassol | Employers carrying on business in Canada with Head Office outside of Canada | 6 | 40 |
| Osmow's Commissary Ltd. | Mississauga | Ontario | 1 | 1 |
| OSMOW'S INC. | Mississauga | Ontario | 2 | 3 |
| oso Berry Farms Inc. | Qualicum Beach | British Columbia | 4 | 180 |
| Osoyoos Larose Estate Winery ltd | Osoyoos | British Columbia | 1 | 5 |
| OSP Restaurant Group Inc. | Stellarton | Nova Scotia | 1 | 1 |
| Osprey Valley Orchards Ltd. | Oliver | British Columbia | 1 | 3 |
| Ostéo Médica Inc. | Laval | Quebec | 1 | 1 |
| OTF AFFILIATES CANADA INC. | Vancouver | British Columbia | 1 | 1 |
| oto Hearing Products LTD | SURREY | British Columbia | 1 | 1 |
| OTT Financial Inc. | North York | Ontario | 1 | 1 |
| OTT pay Inc. | Toronto | Ontario | 4 | 4 |
| Ottawa Animal Emergency & Specialty Hospital | Ottawa | Ontario | 1 | 2 |
| Ottawa Belting inc | Prescott | Ontario | 1 | 1 |
| Ottawa Goodtime Centre | Nepean | Ontario | 1 | 1 |
| Ottawa Hospital and Region Imaging Associates | Ottawa | Ontario | 2 | 5 |
| Ottawa Hospital Dept of Obstetrics, Gynecology and Newborn Care | Ottawa | Ontario | 1 | 1 |
| OTTAWA SWISS WATCH SERVICES INC. | OTTAWA | Ontario | 1 | 1 |
| Ottawa Valley Coffee Company | Kanata | Ontario | 1 | 1 |
| Ottenbreit Sanitation Services (2002) ltd | Yorkton | Saskatchewan | 1 | 1 |
| Otter Creek Farms Limited | TILLSONBURG | Ontario | 1 | 3 |
| Otter Valley Construction Inc. | Norwich | Ontario | 1 | 6 |
| Ottewell Medical Clinic Ltd. | Edmonton | Alberta | 1 | 2 |
| OUALI ENTRETIEN MÉNAGER | LAVAL | Quebec | 1 | 1 |
| Ouellet Canada Inc. | L'Islet | Quebec | 1 | 2 |
| out of the box engineering inc. | Brampton | Ontario | 1 | 1 |
| out of the box Packaging Inc. | North York | Ontario | 1 | 1 |
| Outback Oasis Contracting inc | Saskatoon | Saskatchewan | 2 | 2 |
| Outibo inc | Trois-Rivières | Quebec | 1 | 1 |
| OUTIL-PAC INC | Mont-Royal | Quebec | 1 | 1 |
| Outillage de précision Drummond Inc. | Drummonville | Quebec | 4 | 7 |
| OUTILLAGES AVITEC INC. | Montréal | Quebec | 1 | 1 |
| OUTSIDER EDITORIAL INC. | Toronto | Ontario | 1 | 1 |
| Ovac inc. | Wickham | Quebec | 1 | 5 |
| Overholt Orchards inc | St. Catharines | Ontario | 1 | 2 |
| OVHcloud | Montréal | Quebec | 3 | 4 |
| ovo Fertilité inc | Montréal | Quebec | 1 | 1 |
| OWAIS INC | Mississauga | Ontario | 2 | 2 |
| owen hvac corp. | bedford | Nova Scotia | 1 | 1 |
| Owens & Sweitzer (1972) Ltd. | Eston | Saskatchewan | 2 | 3 |
| Oxbow Orchards Ltd. | Lakeville | Nova Scotia | 1 | 7 |
| Oxford Berry Farm | Oxford | Nova Scotia | 2 | 23 |
| Oxford Cattle Company Ltd. | Woodstock | Ontario | 4 | 67 |
| Oxford Elginstead Farms Inc. | Mt.Elgin | Ontario | 1 | 1 |
| Oxford Frozen Foods | OXFORD | Nova Scotia | 1 | 25 |
| Oxford House Education Authority | Oxford House | Manitoba | 3 | 5 |
| Oxley Wridge Farms Ltd. | Harrow | Ontario | 1 | 4 |
| Oxygen8 Solutions inc | Vancouver | British Columbia | 1 | 1 |
| Oxygène Dolbeau | Dolbeau-Mistassini | Quebec | 4 | 5 |
| oya medical centre inc | Winnipeg | Manitoba | 1 | 1 |
| Oyen Greenhouses ltd | Oyen | Alberta | 1 | 19 |
| OYSA MAINTENANCE INC | Charlemagne | Quebec | 1 | 1 |
| Oyster Freight Services Inc. | Georgetown | Ontario | 1 | 13 |
| OZ Optics Ltd. | Ottawa | Ontario | 1 | 1 |
| OZDEN & CHEUNG CPA PROFESSIONAL CORPORATION | North York | Ontario | 1 | 1 |
| OZONE WEST WELLNESS LIMITED | Cobourg | Ontario | 2 | 2 |
| Ô Jardin de M. Plante | Saint-Édouard-de-Lotbinière | Quebec | 1 | 12 |
| Ô mets Chinois (2016) inc | Mont-Saint-Hilaire | Quebec | 1 | 2 |
| Ô Petit Paris | Montréal | Quebec | 1 | 1 |