| ArGen Software | — | 687738 | — | Dissolved | |
| ArGen Software Inc. | — | 743639 | — | Active | |
| ArLan Resource Solutions | — | 765432 | — | Active | |
| Arab Cultural Association of Saint John Region Inc. | — | 742751 | — | Pending | |
| Arab Culture Club-Club de culture Arabe Inc. | — | 736285 | — | Active | |
| Arabapp Equestrian Connections | — | 688908 | — | Dissolved | |
| Arabic Atlantic Media Inc. | — | 744609 | — | Active | |
| Arabic Cultural Community Inc. | — | 770737 | — | Active | |
| Arabic Culture Center Inc. | — | 703024 | — | Active | |
| Arabika Musical Band | — | 741204 | — | Dissolved | |
| Arabika Musical Band Inc. | — | 741517 | — | Active | |
| Araceli.fit | — | 740394 | — | Active | |
| Aral Hldgs Inc. | — | 614360 | — | Active | |
| Aramis Canadian Limited Partnership | — | 683859 | — | Dissolved | |
| Aran Builes Cleaning Services | — | 665819 | — | Dissolved | |
| Araucana Limited Partnership | — | 744140 | — | Active | |
| Araucaria Group, L.P. | — | 678823 | — | Active | |
| Arauco Canada Limited | — | 667781 | — | Active | |
| Arauco Canada Ltd. | — | 664276 | — | Dissolved | |
| Araume Essential Oils | — | 669840 | — | Dissolved | |
| Aray Counselling Therapy Ltd. | — | 742467 | — | Active | |
| Arbazar.com Internet Searching Inc. | — | 714693 | — | Active | |
| Arbeau & Ryder Positive Productions | — | 346177 | — | Dissolved | |
| Arbeau's Frame 2 Finish Ltd. | — | 732986 | — | Dissolved | |
| Arbing Enterprises Ltd. | — | 624540 | — | Dissolved | |
| Arbing Investments Ltd. | — | 624541 | — | Dissolved | |
| ArbiterSports (Canada) Inc. | — | 673915 | — | Active | |
| Arbitrages G.G.C. Inc./G.G.C. Arbitrations Inc. | — | 601251 | — | Active | |
| ArboDubé | — | 778421 | — | Active | |
| Arbonne International Canada | — | 623219 | — | Dissolved | |
| Arbonne International Canada Inc. | — | 623218 | — | Dissolved | |
| Arbonne International Distribution | — | 630882 | — | Active | |
| Arbonne International Distribution, Inc. | — | 630881 | — | Active | |
| Arbor Hill Business Services | — | 759968 | — | Active | |
| Arbor Homes & Gardens | — | 605399 | — | Dissolved | |
| Arbor Memorial Inc. Mémorial Arbor Inc. | — | 739849 | — | Active | |
| Arbor Memorial Inc. Mémorial Arbor Inc. | — | 666761 | — | Merged | |
| Arbor Memorial Inc. Mémorial Arbor Inc. | — | 693187 | — | Merged | |
| Arbor Residences | — | 764107 | — | Active | |
| Arbor Vitae Inc. | — | 620120 | — | Dissolved | |
| Arbor-Tech Tree Service Inc. | — | 626611 | — | Active | |
| ArborMetrics Solutions | — | 682733 | — | Active | |
| Arborifix | — | 351841 | — | Dissolved | |
| Arborvitae Tree of Life & Wellness | — | 701567 | — | Dissolved | |
| Arbos Global Inc. | — | 49245 | — | Merged | |
| Arbour Brook Counselling Inc. | — | 777618 | — | Active | |
| Arbre d'EXCELLENCE Tree, Success Coaching and Trainings | — | 687322 | — | Dissolved | |
| Arbres Eco Trees | — | 638480 | — | Dissolved | |
| Arc Exploration Inc. | — | 720515 | — | Active | |
| ArcTech Welding & Improvements | — | 614302 | — | Dissolved | |
| Arcacia Projects & Events Ltd. | — | 706569 | — | Pending | |
| Arcade Box | — | 675688 | — | Dissolved | |
| Arcadia Apparel | — | 729084 | — | Active | |
| Arcadia Communications Inc. | — | 617054 | — | Dissolved | |
| Arcadia Consolidated Services | — | 736529 | — | Active | |
| Arcadia Construction | — | 657939 | — | Dissolved | |
| Arcadia Construction Ltd. | — | 660285 | — | Dissolved | |
| Arcadia Consulting Inc. | — | 507934 | — | Dissolved | |
| Arcadia EcoEnergies Ltd. | — | 635588 | — | Active | |
| Arcadia Properties Inc. | — | 736649 | — | Active | |
| Arcadia Sites Limited | — | 641639 | — | Active | |
| Arcadia Worldwide, Limited | — | 668995 | — | Dissolved | |
| Arcadia video game/Jeux vidéo | — | 742773 | — | Active | |
| Arcan International Supply Canada Limited | — | 507979 | — | Dissolved | |
| Arcana Conception Graphique Inc. | — | 775712 | — | Active | |
| Arcana's Rest Pub Inc. | — | 509714 | — | Dissolved | |
| Arcanum Wholistic Clinic Inc. | — | 672872 | — | Active | |
| Arccos Design & Consulting | — | 684527 | — | Dissolved | |
| ArcelorMittal Montréal Inc. | — | 643665 | — | Dissolved | |
| Arcesi Consulting | — | 685372 | — | Dissolved | |
| Arch Design | — | 601840 | — | Dissolved | |
| Arch Street Holding Corp. | — | 718476 | — | Active | |
| Arch Street Servicing Corp. | — | 735037 | — | Pending | |
| Arch Ventures | — | 654986 | — | Dissolved | |
| Arch WinDoor Ltd. | — | 643707 | — | Withdrawn | |
| Arch Wood Millwork & Restoration Inc. | — | 742395 | — | Active | |
| ArchaeoSoft Inc. | — | 724249 | — | Active | |
| Archambault, Neathway & Rideout Approachable Accountants | — | 623813 | — | Active | |
| Archangel Leasing Ltd. | — | 47570 | — | Dissolved | |
| Archdiocese of Moncton Foundation Inc. Fondation de l'Archidiocèse de Moncton Inc. | — | 616496 | — | Active | |
| Arche Inclusive Consulting | — | 729181 | — | Active | |
| Arche Interiors | — | 754856 | — | Active | |
| Archengel Advisors Inc. | — | 733571 | — | Dissolved | |
| Archer | — | 758175 | — | Active | |
| Archer | — | 746911 | — | Active | |
| Archer Custom Woodwork Inc. | — | 671114 | — | Dissolved | |
| Archer Gestion de Portefeuille inc. Archer Portfolio Management inc. | — | 702725 | — | Active | |
| Archer Holdings Inc. | — | 658666 | — | Active | |
| Archer gestion privée inc. | — | 718943 | — | Active | |
| Archer's General Services | — | 607826 | — | Dissolved | |
| ArcherMD | — | 758177 | — | Active | |
| ArcherMD | — | 746910 | — | Active | |
| Archibald Candy (Canada) Corporation | — | 77766 | — | Dissolved | |
| Archie Colpitts | — | 676589 | — | Dissolved | |
| Archie's Bake Shoppe Ltd. | — | 672797 | — | Dissolved | |
| Archipelago Holdings Ltd. | — | 700217 | — | Merged | |
| Archistruct Design Build Inc. | — | 665131 | — | Dissolved | |
| Architects + Research + Knowledge Inc. | — | 76949 | — | Merged | |
| Architects Four Limited - Architectes Quatre Limitée | — | 622935 | — | Merged | |
| Architects Four Limited / Architectes Quatre Limitée | — | 699093 | — | Merged | |
| Architects Four Limited / Architectes Quatre Limitée | — | 720680 | — | Active | |
| Architectural Windows & Doors Inc. | — | 634768 | — | Dissolved | |
| Architectural Windows & Doors Inc. | — | 634093 | — | Merged | |
| Architecture 2000 Inc. | — | 614885 | — | Dissolved | |
| Architecture49 Inc. | — | 658493 | — | Active | |
| Archival Researchers | — | 603673 | — | Dissolved | |
| Archivero Investments Ltd. | — | 34951 | — | Merged | |
| Archmore International Infrastructure Fund | — | 640761 | — | Active | |
| Archmore International Infrastructure Fund II (A), L.P. | — | 670902 | — | Active | |
| Archstone Physiotherapy & Wellness Centre Inc. | — | 688977 | — | Active | |
| Archterra Consulting Inc. | — | 760886 | — | Active | |
| Archtop Studios | — | 702004 | — | Dissolved | |
| Archway Insurance Inc. | — | 692905 | — | Merged | |
| Archway Insurance Inc. | — | 679708 | — | Merged | |
| Archway Insurance Inc. | — | 667161 | — | Merged | |
| Archway Insurance Inc. | — | 720572 | — | Active | |
| Archway Insurance Inc. | — | 699591 | — | Merged | |
| Archway Insurance Inc. | — | 706013 | — | Merged | |
| Archway Insurance Inc. | — | 654430 | — | Merged | |
| Archway Insurance Inc. | — | 713652 | — | Merged | |
| Archway Insurance Inc. | — | 673663 | — | Merged | |
| Archway Insurance Inc. | — | 686194 | — | Merged | |
| Archway Marketing Services | — | 610400 | — | Dissolved | |
| Arco Equities Inc. | — | 3574 | — | Active | |
| Arcon Enterprises | — | 685038 | — | Active | |
| Arctic East Consulting Ltd | — | 510793 | — | Dissolved | |
| Arctic Energy Solutions Inc. | — | 740039 | — | Active | |
| Arctic Force Computers | — | 678988 | — | Dissolved | |
| Arctic Fox Construction | — | 753199 | — | Dissolved | |
| Arctic Fox Construction Inc. | — | 774327 | — | Active | |
| Arctic Fox Photography | — | 776927 | — | Active | |
| Arctic Light Construction Ltd. | — | 643184 | — | Dissolved | |
| Arctic Owl Homes Inc. | — | 740913 | — | Active | |
| Arctic Owl Property Management | — | 747392 | — | Active | |
| Arctic Owl Renovations | — | 747394 | — | Active | |
| Arctic Springs Hatchery Ltd. | — | 727091 | — | Active | |
| Arctic Supply Centre | — | 714315 | — | Dissolved | |
| Arctic Trade Ltd. | — | 625825 | — | Dissolved | |
| Arcticold Refrigeration | — | 638743 | — | Dissolved | |
| Arcticold Refrigeration Ltd. | — | 661393 | — | Pending | |
| Arcturus Realty | — | 697419 | — | Dissolved | |
| Arden Professional Client Care Inc. | — | 751821 | — | Active | |
| Arden Professional Client Care Inc. | — | 698785 | — | Merged | |
| Ardent Credit Services | — | 765795 | — | Active | |
| Ardex Canada Inc. | — | 661425 | — | Active | |
| Ardian Canada Inc. | — | 737457 | — | Active | |
| Ardiles Financial Services Inc. | — | 759695 | — | Pending | |
| Ardith's Hair Loft | — | 616273 | — | Dissolved | |
| Area 375 Market & Music Yard | — | 777757 | — | Active | |
| Area 506 Festival | — | 694959 | — | Active | |
| Area 506 Festival | — | 688017 | — | Dissolved | |
| Area 506 Festival Ltd. | — | 694958 | — | Active | |
| Area 506 Precision Contracting Inc. | — | 705929 | — | Active | |
| Area 506 Ventures Ltd. | — | 726352 | — | Active | |
| Area Cab Ltd. | — | 752085 | — | Active | |
| Arena Bar & Grill Ltd. | — | 515274 | — | Dissolved | |
| Arepa Ventures LP | — | 734199 | — | Active | |
| Arequipa Minerals Ltd. | — | 656177 | — | Dissolved | |
| Aretha Chevarie Holdings Inc. | — | 671355 | — | Dissolved | |
| Areum's Sweet Recipes | — | 744507 | — | Active | |
| Arewa Beauty | — | 779665 | — | Active | |
| Argenbright, Inc. | — | 610399 | — | Dissolved | |
| Argent Canada | — | 659949 | — | Dissolved | |
| Argentic Creations | — | 725658 | — | Pending | |
| Argo Adventure | — | 346012 | — | Dissolved | |
| Argo Adventure Ltd. | — | 508713 | — | Dissolved | |
| Argus Blackhawk Ltd. | — | 627235 | — | Dissolved | |
| Argus Hearing Center / Centre Auditif | — | 697595 | — | Dissolved | |
| Argus Hearing Center / Centre auditif | — | 666488 | — | Dissolved | |
| Argus Hearing Center / Centre auditif | — | 665265 | — | Dissolved | |
| Argyl Web Development | — | 761902 | — | Active | |
| Argyle Building and Construction Products Limited | — | 677689 | — | Active | |
| Argyll Custom Tile Limited | — | 747431 | — | Active | |
| Argyll Foods | — | 636070 | — | Dissolved | |
| Arhi Logistics Ltd. | — | 760963 | — | Active | |
| Ariel Electrical Services Ltd. | — | 610206 | — | Active | |
| Ariel's Hair Studio | — | 663642 | — | Dissolved | |
| Arielle Girouard P.C. Inc. | — | 768943 | — | Active | |
| Aries Holdings Inc. | — | 620189 | — | Active | |
| Aries Investments Limited Partnership | — | 706110 | — | Active | |
| Ariete Investments LP | — | 715518 | — | Dissolved | |
| Arif Rafiq, MD, FRCPC, Prof. Corp. | — | 636673 | — | Withdrawn | |
| Arikara Limited Partnership | — | 699745 | — | Active | |
| Arim Holdings Ltd. | — | 686030 | — | Merged | |
| Arima - Heart of Healing | — | 670628 | — | Dissolved | |
| Arion Esthetics | — | 655459 | — | Dissolved | |
| Arise Worker Inc. | — | 742339 | — | Dissolved | |
| Arista Farm | — | 353281 | — | Dissolved | |
| Aristide Toys & Games | — | 675485 | — | Dissolved | |
| Aristobulus Limited Partnership | — | 750705 | — | Active | |
| Ariston (Canada) Limited | — | 671832 | — | Dissolved | |
| Ariston Canada Inc. | — | 730019 | — | Active | |
| Ariston Thermo Canada Ltd. | — | 690829 | — | Merged | |
| Aristotle Real Marketing Group Ltd. | — | 694207 | — | Dissolved | |
| Arisz Lawn & Garden | — | 688881 | — | Dissolved | |
| Arjo Canada Inc. | — | 75217 | — | Active | |
| ArjoHuntleigh Magog Inc. | — | 626505 | — | Active | |
| Arjoon Immigration Services Ltd. | — | 736146 | — | Dissolved | |
| Ark Alcohol Services Ltd. | — | 732024 | — | Dissolved | |
| Ark Health Collective Inc. | — | 736056 | — | Active | |