| Athena Beyond E-Commerce | — | 735987 | — | Active | — |
| Athena Beyond Inc. | — | 743604 | — | Dissolved | — |
| Athena Designs | — | 623513 | — | Dissolved | — |
| ATHENA FITNESS CENTRE INC. - CENTRE DE CONDITIONNEMENT ATHENA INC. | — | 638329 | — | Merged | — |
| ATHENA HOMES | — | 774753 | — | Active | — |
| Athena Investments LP | — | 710982 | — | Active | — |
| ATHENA PIZZA | — | 336171 | — | Dissolved | — |
| Athene North Employment Service Corporation | — | 709690 | — | Active | — |
| ATHENS REALTY LTD. | — | 90412 | — | Dissolved | — |
| Athens Spa MOBILE Services | — | 734856 | — | Active | — |
| ATHERTON BUSINESS MACHINES LTD. | — | 935 | — | Dissolved | — |
| ATHERTON MARINA, LTD. | — | 936 | — | Dissolved | — |
| ATHERTON PRINTING LIMITED | — | 937 | — | Dissolved | — |
| Atherton Trucking Ltd. | — | 687089 | — | Dissolved | — |
| ATHERTON'S AUTO BODY REPAIR LTD. | — | 938 | — | Dissolved | — |
| Atherton's Business Services Ltd. | — | 617215 | — | Dissolved | — |
| Athleen Athletics | — | 727466 | — | Active | — |
| Athleta - Athleisure Wear | — | 725538 | — | Active | — |
| Athlete Aid Inc. | — | 759467 | — | Active | — |
| ATHLETE CENTERED ENTERPRISES | — | 338914 | — | Dissolved | — |
| Athlete Complete Inc. | — | 673612 | — | Active | — |
| ATHLETES WORLD LIMITED | — | 17160 | — | Merged | — |
| ATHLETIC ACTIVITIES LIMITED | — | 90414 | — | Dissolved | — |
| ATHLETIC DEPOT LTD. | — | 50699 | — | Dissolved | — |
| Athletic One Health & Performance Inc. | — | 651852 | — | Active | — |
| ATHLETICA SPORT SYSTEMS INC. | — | 715635 | — | Active | — |
| ATHLETICS NEW BRUNSWICK INC./ATHLETISME NOUVEAU-BRUNSWICK INC. | — | 24512 | — | Active | — |
| ATHLONE HOLDINGS LTD. | — | 939 | — | Dissolved | — |
| ATHLÉTISME PÉNINSULE ACADIENNE INC. | — | 659279 | — | Active | — |
| Athlétisme Sud-Est Inc./South-East Athletics Inc. | — | 637550 | — | Dissolved | — |
| ATHOL BUILDINGS SYSTEMS INC. | — | 56258 | — | Active | — |
| ATHOLFOOD LTD. | — | 940 | — | Dissolved | — |
| Atholville Accommodation Store | — | 348889 | — | Dissolved | — |
| Atholville Accomodation Store | — | 351999 | — | Dissolved | — |
| ATHOLVILLE BOAT CLUB | — | 310224 | — | Dissolved | — |
| ATHOLVILLE FOREST PRODUCTS INC. | — | 506568 | — | Merged | — |
| ATHOLVILLE FURNITURE COMPANY, LIMITED | — | 90415 | — | Dissolved | — |
| ATHOLVILLE PIANO BAR LTD. | — | 941 | — | Merged | — |
| ATHOLVILLE PLAYGROUND ASSOCIATION, LTD. | — | 90416 | — | Dissolved | — |
| ATHOLVILLE PULP INC./ATHOLVILLE PÂTE INC. | — | 38344 | — | Dissolved | — |
| ATHOLVILLE RADIO TAXI | — | 302288 | — | Dissolved | — |
| ATHOLVILLE SPORT ASSOCIATION INC. - L'ASSOCIATION SPORTIVE D'ATHOLVILLE INC. | — | 942 | — | Dissolved | — |
| Athome Pharmacy Inc. | — | 620139 | — | Active | — |
| ATHSONS INVESTMENTS LTD. | — | 943 | — | Dissolved | — |
| ATI TELECOM INTERNATIONAL, LTD. | — | 53965 | — | Withdrawn | — |
| Atia Holdings Inc. | — | 698472 | — | Merged | — |
| Atia Holdings Inc. | — | 762353 | — | Active | — |
| ATIG INC. | — | 23601 | — | Dissolved | — |
| ATINUKE AFRICAN / CARIBBEAN FOODS | — | 691125 | — | Dissolved | — |
| ATIS GROUP INC. GROUPE ATIS INC. | — | 651684 | — | Dissolved | — |
| Atis LP | — | 699066 | — | Active | — |
| ATJ Holdings Ltd. | — | 635767 | — | Active | — |
| ATJK properties Inc. | — | 724482 | — | Active | — |
| ATK Construction and Renovations | — | 665810 | — | Active | — |
| ATK Developments Inc. | — | 758934 | — | Pending | — |
| ATKIN'S L.A. LIMITED | — | 9946 | — | Dissolved | — |
| ATKINS & DURBROW (N.B.) LTD. | — | 945 | — | Dissolved | — |
| ATKINS BROS., LIMITED | — | 90417 | — | Dissolved | — |
| Atkins Coins & Collectibles | — | 679812 | — | Dissolved | — |
| ATKINS CONSTRUCTION LTD. | — | 944 | — | Dissolved | — |
| ATKINS PRIME PROPERTIES INC. | — | 727787 | — | Dissolved | — |
| ATKINSON MOTORS LTD. | — | 948 | — | Dissolved | — |
| ATKINSRÉALIS ARCHITECTURE & DESIGN CANADA INC. | — | 759347 | — | Active | — |
| ATKINSRÉALIS CANADA INC. | — | 741719 | — | Active | — |
| ATKINSRÉALIS CAPITAL INC. | — | 669693 | — | Active | — |
| ATKINSRÉALIS CONSTRUCTION (ATLANTIC) INC. | — | 649211 | — | Active | — |
| ATKINSRÉALIS CONSTRUCTION (PACIFIC) INC. | — | 732355 | — | Active | — |
| ATKINSRÉALIS OPERATIONS & MAINTENANCE INC. | — | 76309 | — | Active | — |
| AtkinsRéalis O&M | — | 763143 | — | Active | — |
| Atkinz Music Group | — | 660511 | — | Dissolved | — |
| ATKO INSURANCE APPRAISAL REG'D | — | 300638 | — | Dissolved | — |
| ATL Detailing & Services Inc. | — | 746395 | — | Pending | — |
| ATL DEVELOPMENT LTD. | — | 48332 | — | Withdrawn | — |
| ATL Diecast | — | 675929 | — | Dissolved | — |
| ATL Filtration | — | 751411 | — | Active | — |
| ATL MANAGEMENT CORPORATION | — | 48146 | — | Dissolved | — |
| ATL Paper Products | — | 610785 | — | Dissolved | — |
| ATL PLUMBING & GAS FITTING INC. | — | 515726 | — | Dissolved | — |
| ATL. Airport Car Service | — | 654958 | — | Dissolved | — |
| ATL.-MAR DISTRIBUTION INC./LES DISTRIBUTIONS ATL.-MAR INC. | — | 40798 | — | Dissolved | — |
| ATLAN CHEMICALS & EQUIPMENT (1995) LTD. | — | 59202 | — | Dissolved | — |
| ATLAN COMPANY LTD. | — | 90419 | — | Dissolved | — |
| ATLAN FAST FOODS LTD. | — | 40733 | — | Dissolved | — |
| ATLAN INDUSTRIES LTD. | — | 949 | — | Dissolved | — |
| ATLAN POOL PRO | — | 317029 | — | Dissolved | — |
| ATLANDING INC. | — | 702831 | — | Active | — |
| ATLANTA CHEMICAL CONSULTANTS LTD. | — | 90421 | — | Dissolved | — |
| ATLANTA ENTERPRISES LTD. | — | 950 | — | Dissolved | — |
| ATLANTA II LTD. | — | 90420 | — | Dissolved | — |
| ATLANTAGREX LTD. | — | 33097 | — | Dissolved | — |
| ATLANTAIR | — | 301572 | — | Dissolved | — |
| ATLANTAIR (1981) LTD. | — | 951 | — | Dissolved | — |
| ATLANTAIR LTD. - ATLANTAIR LTEE. | — | 90422 | — | Dissolved | — |
| Atlantcare Cleaning services Inc. | — | 753779 | — | Active | — |
| ATLANTCO CONTRACTORS LTD. | — | 34845 | — | Dissolved | — |
| Atlantech Consulting Ltd. | — | 616512 | — | Dissolved | — |
| Atlantech Gas Appliance Maintenance & Servicing | — | 679394 | — | Dissolved | — |
| ATLANTECH SATELLITE TECHNOLOGY LTD. | — | 34852 | — | Dissolved | — |
| ATLANTEK E-STORE | — | 661451 | — | Dissolved | — |
| ATLANTEK T.V. REPAIR | — | 334322 | — | Dissolved | — |
| ATLANTEL COMMUNICATIONS LTD. | — | 511707 | — | Dissolved | — |
| ATLANTEQUIP | — | 332053 | — | Dissolved | — |
| ATLANTEQUIP INC. | — | 58431 | — | Dissolved | — |
| ATLANTEX PUBLISHERS | — | 314590 | — | Dissolved | — |
| ATLANTI-CRAFT | — | 302375 | — | Dissolved | — |
| Atlantia Housing Solutions Inc. | — | 727098 | — | Active | — |
| ATLANTIA TRANSPORT & DISPATCH INC. | — | 700764 | — | Dissolved | — |
| ATLANTIC "3D" CHAMPIONSHIP | — | 334798 | — | Dissolved | — |
| ATLANTIC & GULF STEVEDORES, LIMITED | — | 90478 | — | Dissolved | — |
| Atlantic (Atlantique) Premier Books | — | 617607 | — | Dissolved | — |
| ATLANTIC (EAST COAST) MOBILE HOMES LIMITED | — | 90456 | — | Dissolved | — |
| ATLANTIC 3-RING BINDER CORP. | — | 38360 | — | Dissolved | — |
| Atlantic 911 Supply Inc. | — | 635101 | — | Dissolved | — |
| ATLANTIC ABORIGINAL FIREFIGHTERS ASSOCIATION INC. | — | 665941 | — | Dissolved | — |
| ATLANTIC ABSTRACTORS LTD. | — | 46807 | — | Dissolved | — |
| Atlantic Academic Press | — | 653033 | — | Dissolved | — |
| Atlantic Academic Press | — | 616831 | — | Dissolved | — |
| ATLANTIC ACCEPTANCE COMPANY, LTD. | — | 37540 | — | Dissolved | — |
| ATLANTIC ACCESS INC. | — | 19727 | — | Dissolved | — |
| ATLANTIC ACCOUNTING SERVICES | — | 302290 | — | Dissolved | — |
| Atlantic Accounting Solutions Ltd | — | 752098 | — | Active | — |
| Atlantic Acoustic Works Inc. | — | 768866 | — | Active | — |
| Atlantic Acro Yoga Inc. | — | 778891 | — | Active | — |
| Atlantic Acupuncture Association/Association D'Acupuncture de l'Atlantique | — | 635229 | — | Dissolved | — |
| ATLANTIC ADJUSTERS LIMITED | — | 90423 | — | Dissolved | — |
| Atlantic Adjusting and Appraisals Ltd. | — | 76937 | — | Dissolved | — |
| Atlantic Adjusting NB Ltd. | — | 510295 | — | Dissolved | — |
| ATLANTIC ADVANTAGE PROMOTIONS INC. / PROMOTIONS AVANTAGE ATLANTIQUE INC. | — | 600157 | — | Dissolved | — |
| Atlantic Advantage Supplies Inc. | — | 676256 | — | Active | — |
| Atlantic Adventures Outfitters | — | 631592 | — | Dissolved | — |
| ATLANTIC ADVERTISING AGENCY, LIMITED | — | 90424 | — | Dissolved | — |
| ATLANTIC ADVERTISING DISTRIBUTION | — | 341599 | — | Dissolved | — |
| ATLANTIC ADVERTISING SPECIALTIES | — | 309089 | — | Dissolved | — |
| ATLANTIC ADVISORY GROUP (CANADA) LTD. | — | 627430 | — | Dissolved | — |
| ATLANTIC ADVISORY PARTNERS | — | 696672 | — | Dissolved | — |
| Atlantic Aerospace Appraisals | — | 659671 | — | Dissolved | — |
| ATLANTIC AFFORDABLE HOUSING INC. | — | 646753 | — | Dissolved | — |
| Atlantic Afro-Caribbeans Market Ltd. | — | 770205 | — | Active | — |
| ATLANTIC AGENCIES | — | 302291 | — | Dissolved | — |
| ATLANTIC AGENCIES (MONCTON), LIMITED | — | 90426 | — | Dissolved | — |
| ATLANTIC AGENCIES LIMITED | — | 90425 | — | Dissolved | — |
| Atlantic Agri Nature Corp. | — | 711665 | — | Active | — |
| ATLANTIC AGRI-FOOD ASSOCIATES INC. | — | 42946 | — | Dissolved | — |
| ATLANTIC AGRICULTURAL AGENCY | — | 300439 | — | Dissolved | — |
| ATLANTIC AGRICULTURAL EQUIPMENT LTD. | — | 51855 | — | Merged | — |
| Atlantic Agricultural Leadership Program Inc. | — | 25663 | — | Dissolved | — |
| ATLANTIC AIR AMBULANCE | — | 646968 | — | Dissolved | — |
| Atlantic Air Ambulance | — | 352856 | — | Dissolved | — |
| ATLANTIC AIR CALL LIMITED | — | 19450 | — | Dissolved | — |
| ATLANTIC AIR CLEANING SPECIALISTS LTD | — | 43163 | — | Merged | — |
| ATLANTIC AIR CLEANING SPECIALISTS LTD. | — | 773746 | — | Active | — |
| ATLANTIC AIR CONDITIONING COMPANY | — | 302292 | — | Dissolved | — |
| ATLANTIC AIR FILTER LTD. | — | 41785 | — | Merged | — |
| ATLANTIC AIR LEAKAGE CONTROL LTD. | — | 953 | — | Dissolved | — |
| ATLANTIC AIR LEASING LTD. | — | 90427 | — | Dissolved | — |
| ATLANTIC AIR SHOWS (1971) INC. | — | 90428 | — | Dissolved | — |
| ATLANTIC AIR-CARE LTD. | — | 952 | — | Dissolved | — |
| ATLANTIC AIR-COOLED ENGINES | — | 330408 | — | Dissolved | — |
| ATLANTIC AIR-COOLED ENGINES | — | 302293 | — | Dissolved | — |
| ATLANTIC AIR-COOLED ENGINES | — | 618253 | — | Active | — |
| Atlantic Airports Facilities Corporation | — | 708302 | — | Active | — |
| ATLANTIC AIRSEAL (FREDERICTON) LTD. | — | 955 | — | Dissolved | — |
| ATLANTIC AIRSEAL LTD. | — | 954 | — | Dissolved | — |
| ATLANTIC AIRWAYS, LIMITED | — | 90429 | — | Dissolved | — |
| Atlantic Alarm & Electric Ltd. | — | 600981 | — | Dissolved | — |
| ATLANTIC ALARM & SOUND INC. | — | 40357 | — | Merged | — |
| Atlantic Alarm & Sound Ltd. | — | 514698 | — | Active | — |
| ATLANTIC ALARM SERVICES LTD. | — | 21720 | — | Merged | — |
| ATLANTIC ALARM SERVICES LTD. | — | 956 | — | Merged | — |
| ATLANTIC ALE LTD | — | 38477 | — | Dissolved | — |
| Atlantic Algae Energy Inc. | — | 664640 | — | Dissolved | — |
| Atlantic All Be Clean | — | 350901 | — | Dissolved | — |
| ATLANTIC ALL-CLEAN | — | 680992 | — | Dissolved | — |
| ATLANTIC ALL-WEATHER WINDOWS LTD. | — | 31747 | — | Active | — |
| Atlantic Alliance Elevators | — | 735394 | — | Active | — |
| ATLANTIC ALLIANCE OF AEROSPACE & DEFENCE ASSOCIATIONS INC. | — | 613931 | — | Dissolved | — |
| Atlantic Allied Health Institute | — | 771516 | — | Active | — |
| Atlantic Alloy Wheel Inc. | — | 636113 | — | Dissolved | — |
| ATLANTIC ALTERNATE ENERGY CO. LTD. | — | 957 | — | Dissolved | — |
| Atlantic Alternatives/Caskets & Urns | — | 701875 | — | Dissolved | — |
| Atlantic Alternator & Starter | — | 347967 | — | Dissolved | — |
| ATLANTIC ALTITUDE | — | 639273 | — | Dissolved | — |
| ATLANTIC ALUMINUM & GLASS LTD. | — | 43819 | — | Dissolved | — |
| ATLANTIC ALUMINUM AWNINGS LTD. | — | 958 | — | Dissolved | — |
| ATLANTIC ALUMINUM PRODUCTS LIMITED | — | 90430 | — | Dissolved | — |
| ATLANTIC AMATEUR GOLF ASSOCIATION | — | 349955 | — | Dissolved | — |
| Atlantic Ambika Group Inc. | — | 733236 | — | Active | — |
| ATLANTIC AMERICAN EXPRESS TRAVEL | — | 610695 | — | Dissolved | — |
| ATLANTIC AND CENTRAL AUTO PARTS | — | 301746 | — | Dissolved | — |
| Atlantic Animal Pharmacy | — | 656233 | — | Dissolved | — |
| ATLANTIC APPAREL & SPORTS | — | 313715 | — | Dissolved | — |
| ATLANTIC APPLICATORS LTD. | — | 960 | — | Dissolved | — |
| ATLANTIC APPRAISALS | — | 314506 | — | Dissolved | — |
| ATLANTIC APPRAISALS & INVESTIGATIONS LTD. | — | 961 | — | Merged | — |
| Atlantic Apprenticeship Agency | — | 660326 | — | Dissolved | — |
| ATLANTIC AQUA MARINE LTD. | — | 53192 | — | Dissolved | — |
| ATLANTIC AQUA PRODUCTS LTD. | — | 39312 | — | Dissolved | — |
| ATLANTIC AQUA-CAGE SYSTEMS LTD. | — | 33239 | — | Dissolved | — |
| ATLANTIC AQUACULTURE (1990) LTD. | — | 48389 | — | Dissolved | — |
| Atlantic Arabic Travel | — | 772096 | — | Active | — |