| A S M Performing Arts Inc | Art Schools | asmstudio.net |
| A S T Inc | Business & Trade Organizations | — |
| A Sa | sa | — |
| A Sketch | Architectural Technologists | asketch.ca |
| A Super Prix | Kitchen Cabinets | armoiresasuperprix.com |
| A V Solutions | Audiovisual Equipment & Supplies, Audiovisual Equipment & Supplies Rental | av-solutions.net |
| A Votre Sante HB | Medical Clinics | — |
| A Votre Service Transport Et Livraison | Car & Truck Transporting Companies | facebook.com |
| A Way of Life , CDL centre Sportif | Fitness Gyms | — |
| A Z Creation | Candles | a-zcreations.ca |
| A&C American Chemicals | Life Sciences and Health Technologies (LSHT) | acamchem.com |
| A+ Bookkeeping | Bookkeeping Software & Accounting Systems | — |
| A+ Products Canada Inc | Buckles | facebook.com |
| A+ Produits de Beauté | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| A+ Produits De Beauté | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| A+Quick Socal Media Business | Advertising Agencies | facebook.com |
| A-1 R P T Entreprises | Roofing | facebook.com |
| A-1 Remorquage Transport | Car Repair | — |
| A-1 Sablage de Planchers Inc | Flooring | a1sablagedeplancher.com |
| A-Plus Nettoyage | Cleaning Services, Cleaning Service | aplusnettoyage.qc.ca |
| A. Bruneau Canada | Tout Entreprises et services | abruneau-canada.com |
| A. D. Entretien Ménager | Cleaning Services, Cleaning Service | adentretienmenager.com |
| A. E. Blake Sales Ltd. | Tout Entreprises et services | aeblake.com |
| A. Et G. Granata Paysagiste 2645-1021 Québec Inc . | Landscaping | — |
| A. Lassonde Inc | Agri-food | lassonde.com |
| A.B.C Sols Inc. | Flooring | — |
| A.D.A.M | Information Technologies (IT) | ebix.com |
| A.E. Blake Sales | Adhesives & Glues | aeblake.ca |
| A.J Fashion | Bridal Shops | facebook.com |
| A.J.M. International Sports Promoti... | Tout Entreprises et services | ajmintl.com |
| A.L Service Entretien Résidentiel Et Commercial | Cleaning Services, Cleaning Service | — |
| A.P. Reid Insurance Stores | Car Insurance | apreid.com |
| A.V.S. Transport Inc | Car & Truck Transporting Companies | — |
| A/Z Atlas | Mecanique Auto | az.co.uk |
| A1 Agences Techniques Inc. | Tout Entreprises et services | agences-techniques.com |
| A1 Agencies Techniques | Air Conditioning Contractors | agences-techniques.com |
| A1 Bookkeeping | Bookkeeping | facebook.com |
| A1 Tires 514 | Balancing Service | — |
| AA Electroménagers | Appliance Repair | aaelectromenagers.ca |
| Aa Rr | rr | — |
| AA Studios | Information Technologies (IT) | aastudios.ca |
| AAA Canada | Aerospace, Aircraft Maintenance, Service & Storage | aaa-canada.ca |
| AAA Electrique/Electric Inc | Electricians | aaaelectrique.com |
| AAA Vitre Auto | Auto Glass & Windshields | — |
| AAF International | Life Sciences and Health Technologies (LSHT) | aafintl.com |
| AAJO Services de Toiture | Roofing | — |
| Aaron Balaban Leasing Enr | Car Leasing | — |
| Aarten | Community Service & Charitable Organizations | aarten.org |
| Ab Yz | ab | — |
| Abacus Michel L'Italien | Antique Dealers | facebook.com |
