| BMO Estate Insurance Advisory Services | — | 693136 | — | Active | |
| BMO Estate Insurance Advisory Services Inc. BMO Services Conseils en Assurances et Planification Successorales Inc. | — | 77994 | — | Active | |
| BMO GLOBAL ASSET MANAGEMENT | — | 705642 | — | Active | |
| BMO Harris Private Banking | — | 612794 | — | Dissolved | |
| BMO INVESTMENTS INC./BMO INVESTISSEMENTS INC. | — | 71282 | — | Merged | |
| BMO INVESTMENTS INC./BMO INVESTISSEMENTS INC. | — | 647949 | — | Active | |
| BMO INVESTORLINE INC./BMO LIGNE D'ACTION INC. | — | 72355 | — | Active | |
| BMO Insurance Solutions | — | 770169 | — | Active | |
| BMO Insurance Solutions Inc. BMO Solutions d’assurance Inc. | — | 768081 | — | Active | |
| BMO Life Assurance Company / BMO Société d'assurance-vie | — | 772643 | — | Active | |
| BMO Life Assurance Company/ BMO Société d'assurance-vie | — | 77007 | — | Merged | |
| BMO NESBITT BURNS | — | 347885 | — | Active | |
| BMO NESBITT BURNS | — | 348763 | — | Dissolved | |
| BMO NESBITT BURNS INC. | — | 666982 | — | Active | |
| BMO NESBITT BURNS MONEY MARKETS | — | 341122 | — | Dissolved | |
| BMO Nesbitt Burns Financial Services Inc. | — | 74982 | — | Merged | |
| BMO Nesbitt Burns Inc. | — | 76071 | — | Merged | |
| BMO Nesbitt Burns Securities Ltd. / BMO Nesbitt Burns Valeurs Mobilières Ltée | — | 717111 | — | Active | |
| BMO Nesbitt Burns Securities Ltd./ BMO Nesbitt Burns Valeurs Mobilières Ltée | — | 77311 | — | Dissolved | |
| BMO PRIVATE INVESTMENT COUNSEL INC. BMO GESTION PRIVÉE DE PLACEMENTS INC. | — | 75305 | — | Active | |
| BMO Services Conseils en Assurances et Planification Successorales | — | 693137 | — | Active | |
| BMO Services de fiducie et de succession | — | 684370 | — | Active | |
| BMO Solutions d'assurance | — | 770170 | — | Active | |
| BMO Trust and Estate Services | — | 684371 | — | Active | |
| BMP CLEANING LTD. | — | 514359 | — | Dissolved | |
| BMP Hydraulique ENR. | — | 701878 | — | Dissolved | |
| BMP Technical Personnel Services | — | 634569 | — | Dissolved | |
| BMR BUSINESS MANAGEMENT INC. | — | 771266 | — | Active | |
| BMR CONSULTING | — | 603991 | — | Dissolved | |
| BMR Consulting Ltd. | — | 511184 | — | Merged | |
| BMR INVESTMENTS LTD. | — | 50990 | — | Merged | |
| BMR LAND CO. LTD. | — | 20837 | — | Dissolved | |
| BMR OFFICE CENTRE | — | 605767 | — | Dissolved | |
| BMR22025 Contracting | — | 763310 | — | Active | |
| BMRH TRUCKING LIMITED | — | 502589 | — | Dissolved | |
| BMRS INDUSTRIAL CORP. | — | 759741 | — | Active | |
| BMRS TRANSPORT LTD. | — | 671395 | — | Dissolved | |
| BMS CANADA RISK SERVICES LTD. BMS CANADA SERVICES DE RISQUES LTEE | — | 657155 | — | Merged | |
| BMS Canada Risk Services Ltd. BMS Canada Services de Risques Ltée | — | 753511 | — | Active | |
| BMS Catastrophe International, LLC | — | 604894 | — | Active | |
| BMS DEVELOPMENTS INC. | — | 627424 | — | Dissolved | |
| BMS OPERATORS INC. | — | 675697 | — | Active | |
| BMS OPTILABS LTD. | — | 46922 | — | Dissolved | |
| BMS Trucking and Garage Ltd. | — | 745047 | — | Pending | |
| BMS Underground Technologies Inc. | — | 644435 | — | Dissolved | |
| BMT HOLDINGS 2003 INC. | — | 605729 | — | Dissolved | |
| BMT VENTURES | — | 339697 | — | Dissolved | |
| BMT VIDEO & SERVICES INC. | — | 683085 | — | Dissolved | |
| BMT VIDEO & SERVICES INC. | — | 512028 | — | Merged | |
| BMW CANADA INC. | — | 75968 | — | Active | |
| BMW ENTERPRISES INC. | — | 500916 | — | Dissolved | |
| BMW Eats Inc. | — | 631716 | — | Dissolved | |
| BMW FINANCE | — | 334397 | — | Active | |
| BMW FINANCIAL SERVICE | — | 334396 | — | Dissolved | |
| BMW FINANCIAL SERVICES | — | 342260 | — | Active | |
| BMW FINANCIAL SERVICES (CANADA) INC./SERVICES FINANCIERS BMW (CANADA) INC. | — | 74584 | — | Merged | |
| BMW FINANCIAL SERVICES CANADA | — | 342258 | — | Active | |
| BMW GROUP CANADA | — | 352772 | — | Active | |
| BMW GROUP FINANCE | — | 352775 | — | Active | |
| BMW GROUP FINANCIAL SERVICES | — | 352774 | — | Active | |
| BMW GROUP FINANCIAL SERVICES CANADA | — | 352773 | — | Active | |
| BMW Group Services financiers | — | 728586 | — | Active | |
| BMW MOTORRAD | — | 606398 | — | Active | |
| BMW MOTORRAD CANADA | — | 606397 | — | Active | |
| BMW Moncton/Mini Moncton | — | 745168 | — | Active | |
| BMW Moncton/Mini Moncton | — | 637805 | — | Dissolved | |
| BMW Receivables Limited Partnership | — | 647041 | — | Active | |
| BMX Canada Inc. | — | 665117 | — | Active | |
| BN Consulting | — | 663938 | — | Dissolved | |
| BN Consulting Solutions | — | 623378 | — | Dissolved | |
| BN Consulting Solutions | — | 631291 | — | Dissolved | |
| BN EATON HOLDINGS INC. | — | 673406 | — | Dissolved | |
| BN Fruit Spot | — | 775877 | — | Active | |
| BNA REALTY INC. | — | 17146 | — | Dissolved | |
| BNB BOOKS-ON-TAPE | — | 335107 | — | Dissolved | |
| BNB EDUCATION INC. | — | 515373 | — | Active | |
| BNB Invest Ltd. | — | 726147 | — | Dissolved | |
| BNB PRODUCTIONS INC. | — | 505918 | — | Dissolved | |
| BNG GLOBAL FOODS | — | 675155 | — | Dissolved | |
| BNG GLOBAL SEAFOOD | — | 674945 | — | Dissolved | |
| BNH HOME HEALTH BOUTIQUE LTD. | — | 58528 | — | Active | |
| BNL Mechanical/Electrical Services | — | 768953 | — | Active | |
| BNN | — | 631034 | — | Active | |
| BNN-BUSINESS NEWS NETWORK | — | 631037 | — | Active | |
| BNP (Canada) Valeurs Mobilières Inc. BNP (Canada) Securities Inc. | — | 619634 | — | Dissolved | |
| BNP CANADA INC. | — | 17147 | — | Dissolved | |
| BNP HOLDING INC. | — | 605401 | — | Withdrawn | |
| BNP PARIBAS INVESTMENT PARTNERS CANADA LTD. | — | 77566 | — | Dissolved | |
| BNP Paribas (Canada) Valeurs Mobilières Inc. BNP Paribas (Canada) Securities Inc. | — | 627083 | — | Active | |
| BNP Stratégies Gestion philanthropique Atlantique Inc. BNP Strategies Philanthropic Management Atlantic Inc. | — | 674294 | — | Dissolved | |
| BNR Electrical | — | 704553 | — | Dissolved | |
| BNRI SERVICES FINANCIERS | — | 705344 | — | Active | |
| BNRS Property Corp. | — | 701364 | — | Active | |
| BNS AUTO SALES & SERVICE | — | 666775 | — | Dissolved | |
| BNS AUTO SALES & SERVICE | — | 710856 | — | Dissolved | |
| BNS CLEANING EQUIPMENT INC. | — | 622376 | — | Dissolved | |
| BNS Enterprises | — | 649725 | — | Dissolved | |
| BNS INSURANCE AGENCY INC. AGENCE D'ASSURANCES BNE INC. | — | 645433 | — | Active | |
| BNY MELLON PERFORMANCE & RISK ANALYTICS, INC. | — | 607905 | — | Active | |
| BNY Mellon Asset Management Canada Ltd. | — | 652899 | — | Active | |
| BNY Mellon Wealth Management | — | 668298 | — | Dissolved | |
| BNY Mellon Wealth Management's Advisory Services | — | 668079 | — | Dissolved | |
| BNY Mellon Wealth Management, Advisory Services | — | 668081 | — | Dissolved | |
| BNY/CAFCO FINANCIAL CORPORATION/CORPORATION FINANCIERE BNY/CAFCO | — | 74531 | — | Dissolved | |
| BO BAS BASQUE ENR | — | 318734 | — | Dissolved | |
| BO BIJOUX LTEE | — | 2037 | — | Dissolved | |
| BO CHIGNON | — | 317562 | — | Dissolved | |
| BO NEON LTEE/LTD. | — | 46594 | — | Dissolved | |
| BO PEEP HOLDINGS INC. | — | 752788 | — | Merged | |
| BO Self Storage-Entrepot Inc. | — | 652763 | — | Dissolved | |
| BO Shipping Company Limited | — | 631978 | — | Dissolved | |
| BO'S COMMERCIAL PAINTING & DECORATING | — | 631685 | — | Active | |
| BO'S LOUNTE | — | 322940 | — | Dissolved | |
| BO'S SPORTS SHOP | — | 341108 | — | Dissolved | |
| BO'S SPORTS SHOP LTD. | — | 510035 | — | Dissolved | |
| BO'TISSUS ENRG. | — | 330873 | — | Dissolved | |
| BO-BAG INC. / BO-SAC INC. | — | 513078 | — | Dissolved | |
| BO-BO RESTAURANT (1978) LTD. | — | 2041 | — | Dissolved | |
| BO-BO RESTAURANT LTD. | — | 2040 | — | Dissolved | |
| BO-HAWK CORPORATION LTD. | — | 2048 | — | Dissolved | |
| BO-PEEP DIAPER SERVICE | — | 302735 | — | Dissolved | |
| BO-PLASTIK INC. | — | 47028 | — | Dissolved | |
| BO-STYLE Decor Inc. | — | 684322 | — | Active | |
| BO-STYLE MEUBLES ET DÉCO | — | 680405 | — | Dissolved | |
| BO-STYLE Meubles et Déco | — | 681640 | — | Dissolved | |
| BO-TISSUS | — | 301305 | — | Dissolved | |
| BO-TRONIC | — | 335675 | — | Dissolved | |
| BOA - Builders of Atlantic | — | 720776 | — | Dissolved | |
| BOA - Builders of Atlantic Inc. | — | 721719 | — | Active | |
| BOAR REALTY LTD. | — | 2038 | — | Dissolved | |
| BOARATONE INC. | — | 606219 | — | Dissolved | |
| BOARD BAND-IT EAST | — | 323527 | — | Dissolved | |
| BOARD MACHINERY LTD. | — | 512640 | — | Dissolved | |
| BOARD OF TRUSTEES OF THE LORD BEAVERBROOK RINK AT SAINT JOHN, INC. | — | 22109 | — | Active | |
| BOARDLAB | — | 613191 | — | Dissolved | |
| BOARDMAN, JONES & ASSOCIATES LTD. | — | 502500 | — | Dissolved | |
| BOARDS ARE US | — | 342191 | — | Dissolved | |
| BOARDWALK ADVISORY INC. | — | 774307 | — | Active | |
| BOARDWALK CAFE | — | 623117 | — | Dissolved | |
| BOARDWALK CAFE & TEA ROOM | — | 342185 | — | Dissolved | |
| BOARDWALK CAFÉ & TEA ROOM | — | 349550 | — | Dissolved | |
| BOARDWALK INVESTMENT CORPORATION | — | 511503 | — | Dissolved | |
| BOARDWALK PRODUCTIONS | — | 327330 | — | Dissolved | |
| BOARDWALK PROPERTY MANAGEMENT | — | 324086 | — | Dissolved | |
| BOARDWALK PROPERTY MANAGEMENT INC. | — | 50240 | — | Dissolved | |
| BOARDWALK RESTAURANT & LOUNGE LTD. | — | 52780 | — | Dissolved | |
| BOARDWALK VENTURES | — | 322944 | — | Dissolved | |
| BOARDWALK VIDEO | — | 340220 | — | Dissolved | |
| BOART CANADA INC. | — | 17199 | — | Merged | |
| BOART LONGYEAR | — | 631619 | — | Active | |
| BOART LONGYEAR ALBERTA LIMITED | — | 631033 | — | Merged | |
| BOART LONGYEAR CANADA | — | 631618 | — | Active | |
| BOART LONGYEAR INC. | — | 74756 | — | Merged | |
| BOART LONGYEAR INC. | — | 74936 | — | Merged | |
| BOART LONGYEAR INCORPORATED | — | 766784 | — | Active | |
| BOAT OWNERS ATLANTIC ASSOCIATION | — | 316480 | — | Dissolved | |
| BOAT TRADER | — | 300727 | — | Dissolved | |
| BOATCLUB SEAFOOD RESTAURANT & OYSTER BAR | — | 329347 | — | Dissolved | |
| BOATEL CATERERS LTD. | — | 17200 | — | Dissolved | |
| BOATHOUSE BREWS | — | 717519 | — | Dissolved | |
| BOATS 'N THINGS | — | 302712 | — | Dissolved | |
| BOAZ JAPANESE & KOREAN RESTAURANT | — | 657316 | — | Dissolved | |
| BOB "N" BARRIE LTD., | — | 90846 | — | Dissolved | |
| BOB & SON ENTERPRISE | — | 639072 | — | Active | |
| BOB ADAIR LTD. | — | 59563 | — | Dissolved | |
| BOB BOYD FARRIER SERVICE | — | 330392 | — | Dissolved | |
| BOB D. HOUSE, INC. | — | 71882 | — | Dissolved | |
| BOB DALY & ASSOCIATES | — | 309764 | — | Dissolved | |
| BOB DALY INC. | — | 33309 | — | Dissolved | |
| BOB DAVIS CONSTRUCTION | — | 638824 | — | Dissolved | |
| BOB DEVOST PAINTING | — | 301033 | — | Dissolved | |
| BOB DUNPHY LTD. | — | 5331 | — | Dissolved | |
| BOB EDGETT MEMORIAL BOXING CLUB INC. | — | 665548 | — | Active | |
| BOB EDGETT'S BOY'S CLUB INC. | — | 92372 | — | Dissolved | |
| BOB FLEMMING'S SERVICE CENTER (2025) LTD. | — | 768710 | — | Merged | |
| BOB FLEMMING'S SERVICE CENTER (2025) LTD. | — | 768996 | — | Active | |
| BOB FLEMMING'S SERVICE CENTER LTD. | — | 511182 | — | Merged | |
| BOB GIONET TOOLS LTD. | — | 708654 | — | Active | |
| BOB GRAY AUCTIONEER | — | 329410 | — | Dissolved | |
| BOB GRIMMER'S VAC. SERVICE | — | 326368 | — | Dissolved | |
| BOB HENRY LTD. | — | 93327 | — | Dissolved | |
| BOB JEFFREY ELECTRICAL LTD. | — | 34098 | — | Dissolved | |
| BOB JOHNSTON'S SIGN SHOP LTD. | — | 8872 | — | Dissolved | |
| BOB KENNY'S SERVICE STATION LTD. | — | 31799 | — | Dissolved | |
| BOB KING ENTERPRISES LTD. | — | 36070 | — | Dissolved | |
| BOB LEE PRODUCTIONS LTD. | — | 30885 | — | Active | |
| BOB LINDSAYS LIMITED | — | 36054 | — | Dissolved | |
| BOB LOVETT TOYOTA | — | 318850 | — | Dissolved | |
| BOB MCHARG DATSUN LTD. | — | 11687 | — | Dissolved | |
| BOB METHOT TRAVEL CORRESPONDENT | — | 338533 | — | Dissolved | |
| BOB MITTON ENTERPRISES | — | 663942 | — | Dissolved | |
| BOB STEVENSON CONSTRUCTION EQUIPMENT | — | 614211 | — | Dissolved | |
| BOB THOMSON MOVING AND STORAGE LIMITED | — | 19165 | — | Dissolved | |
| BOB WHITE LTD. | — | 31852 | — | Dissolved | |
| BOB'S AUCTION SERVICE | — | 302713 | — | Dissolved | |
| BOB'S AUTO RESTORE & RESELL | — | 606270 | — | Dissolved | |
| BOB'S BACKHOE SERVICE LTD. | — | 2042 | — | Dissolved | |
| BOB'S BACKHOE SERVICE, 1998 LTD. | — | 507704 | — | Dissolved | |
| BOB'S BARBER SHOP | — | 311513 | — | Dissolved | |
| BOB'S BARGAIN BIN LTD. | — | 2043 | — | Dissolved | |