Business groups starting with "A"
- A - A-1 GTA Cab Inc
- A-1 Insurance Direct Inc - Abc Signs
- Abc Taxi - AccuSeal Roofing Ltd
- Ace Auto Group - Adi
- ADI-Ademco Distribution International - Advantage Plumbing & Drainage
- Advantage Relocation Systems - Agrium Inc
- Agropur - Alanic Global, One of the Best Kids Wear Manufacturers Has Amazing Collections
- Alano Club - Alcarb Resources Inc
- Alcatel Canada Inc - All the Way Personnel Inc
- All The Way Up Media - Alsco Uniform & Linen Svc
- Alstom Canada Inc - American Way Van
- American Wood Reface - Angel's Philly Gourmet Italian Ice
- Angela & Gabriel's Flowers Inc - Apollo Management Svc Ltd
- Apollo Muffler Ctr - Arcamm Roofing
- Archambault - Art Gallery Ontario
- Art Knapp's Plantland - Associated Engineering Alberta
- Associated Engineering Ltd - Atelier DE Debosselage
- Ateliers G Paquette Inc - Audio Warehouse
- Audio-Video Unlimited - Automotive Edge
- Automotive Parts Distributors - Avis Car Rental
- Avis Car Rental - Azure Lock & Key Shop,Co