| Blueprint Cabinets Inc. | — | 772921 | — | Active | — |
| Blueprint Cleaning & Maintenance | — | 676705 | — | Dissolved | — |
| Blueprint Genetics Canada | — | 724021 | — | Active | — |
| Blueprint Genetics Canada Inc. | — | 720222 | — | Merged | — |
| Blueprint Properties Inc. | — | 743030 | — | Active | — |
| Bluequest | — | 601970 | — | Dissolved | — |
| BLUERAIN AGRO SOLUTIONS | — | 767350 | — | Active | — |
| Blueribbon Seafoods Ltd. | — | 507750 | — | Dissolved | — |
| BLUERIDGE CONTRACTORS (2001) LTD. | — | 514123 | — | Dissolved | — |
| BLUES CENTRAL | — | 349379 | — | Dissolved | — |
| BLUES CENTRAL | — | 348742 | — | Dissolved | — |
| BLUES D'LA BAIE LTÉE | — | 688653 | — | Active | — |
| BlueSky Dentistry | — | 776812 | — | Active | — |
| BLUESTAR SYSTEMS CANADA CORP. | — | 75985 | — | Dissolved | — |
| BlueStone Airbnb | — | 735684 | — | Active | — |
| Bluestone Cleaning Services | — | 747123 | — | Active | — |
| BLUESTONE CONTRACTING LTD. | — | 47969 | — | Active | — |
| BLUESTONE ENTERPRISES LTD. | — | 2035 | — | Pending | — |
| Bluestone International LP | — | 632186 | — | Dissolved | — |
| BLUESTONE INVESTMENTS LTD. | — | 90843 | — | Dissolved | — |
| Bluesuit Business Solutions | — | 688402 | — | Dissolved | — |
| Bluewater ATU Atlantic Incorporated | — | 767073 | — | Active | — |
| Bluewater Builders | — | 656896 | — | Dissolved | — |
| BLUEWATER FISHERIES LIMITED | — | 41802 | — | Dissolved | — |
| BLUEWATER FISHERIES, LIMITED | — | 90844 | — | Dissolved | — |
| BLUEWATER GROUP LIMITED | — | 737734 | — | Active | — |
| BLUEWATER LUBRICANTS LIMITED | — | 737719 | — | Active | — |
| BLUEWATER SEAFOODS | — | 347552 | — | Dissolved | — |
| BlueWater Seafoods Inc. / Fruits de Mer BlueWater Inc. | — | 515262 | — | Active | — |
| BLUEWATER SPORTS LTD. | — | 43985 | — | Dissolved | — |
| BLUEWAVE ENERGY LIMITED PARTNERSHIP | — | 628328 | — | Dissolved | — |
| BLUEWAVE ENERGY LTD. | — | 648894 | — | Dissolved | — |
| BLUEWIDGETS.COM | — | 340065 | — | Dissolved | — |
| BLUFF ENTERPRISES INC. | — | 500411 | — | Dissolved | — |
| BLUFF HAVEN FARM LTD. | — | 2036 | — | Active | — |
| Bluff Hill Farm Ltd. | — | 609460 | — | Active | — |
| Bluff Hill Industries (2016) Inc. | — | 686862 | — | Dissolved | — |
| BLUFF HILL INDUSTRIES INC. | — | 510607 | — | Pending | — |
| Bluff Holdings Inc. | — | 765964 | — | Active | — |
| BLUFFERS LOUNGE | — | 314611 | — | Dissolved | — |
| Blugenics Innovations Inc. | — | 683929 | — | Dissolved | — |
| BLUM CANADA LIMITED | — | 763046 | — | Active | — |
| BLUME CREATIVE COMMUNICATIONS | — | 683677 | — | Dissolved | — |
| BLUMONT AUGEN LIMITED PARTNERSHIP 2007-1 | — | 634465 | — | Dissolved | — |
| BLUMONT AUGEN LIMITED PARTNERSHIP 2008 | — | 636028 | — | Dissolved | — |
| Blunston Clubhouse | — | 693556 | — | Dissolved | — |
| Blunston Clubhouse Inc. | — | 700318 | — | Dissolved | — |
| BLUSH | — | 626913 | — | Active | — |
| Blush Beauty Bar Inc. | — | 697054 | — | Active | — |
| BLUSH INTERIORS | — | 710823 | — | Dissolved | — |
| Blushing Beauties Cosmetics Ltd. | — | 655207 | — | Dissolved | — |
| Blushworthy Blossom Digital Media Inc. | — | 759558 | — | Active | — |
| BluSkies Aviation Consulting Ltd. | — | 652539 | — | Dissolved | — |
| BluSky Urban Living | — | 710970 | — | Dissolved | — |
| BLUSOWN | — | 319924 | — | Dissolved | — |
| BLUTO'S LOUNGE | — | 313417 | — | Dissolved | — |
| BLUZSoft | — | 611601 | — | Dissolved | — |
| BLV HOLDINGS INC. | — | 634701 | — | Dissolved | — |
| BLVD. TEXACO | — | 302753 | — | Dissolved | — |
| BLYE'S ENTERPRISES CO. LTD. | — | 57971 | — | Dissolved | — |
| Blyssful Creations Crochet | — | 754578 | — | Active | — |
| BLYTHS CLEANING SERVICE | — | 316523 | — | Dissolved | — |
| Blü Nail Bar | — | 660989 | — | Dissolved | — |
| BM - Board Miniatures | — | 743198 | — | Dissolved | — |
| BM Assets Management Inc. | — | 725772 | — | Active | — |
| BM Bookkeeping Solutions | — | 764557 | — | Active | — |
| BM BOURQUE (CAMPBELLTON) LTEE | — | 51438 | — | Dissolved | — |
| BM Burns Renovations | — | 716545 | — | Active | — |
| BM Chaisson Contracting Services Ltd. | — | 660169 | — | Dissolved | — |
| BM Designs | — | 625660 | — | Dissolved | — |
| BM Lighting Ltd. | — | 635410 | — | Dissolved | — |
| BM Montreuil Logging Inc. | — | 692508 | — | Dissolved | — |
| BM Sporting Camps Ltd. | — | 667849 | — | Dissolved | — |
| BM Storage Inc. | — | 725826 | — | Active | — |
| BM TECHNICAL SERVICES LIMITED | — | 602663 | — | Dissolved | — |
| BM TRAILER SALES INC. | — | 728409 | — | Active | — |
| BM-Billy Auto Service | — | 767662 | — | Dissolved | — |
| BM-Billy Auto Service Inc. | — | 768636 | — | Active | — |
| BM-Board Miniatures Inc. | — | 751881 | — | Active | — |
| BM-NB-2 BLINDMASTERS | — | 677724 | — | Dissolved | — |
| BMA Amusements Ltd. | — | 509240 | — | Dissolved | — |
| BMA Consultation Inc. | — | 751548 | — | Active | — |
| BMA Diesel Service | — | 773744 | — | Active | — |
| BMA TAX Services | — | 727467 | — | Active | — |
| BMA Trucking Inc. | — | 514174 | — | Dissolved | — |
| Bmattech Logistics Inc. | — | 774657 | — | Active | — |
| BMAX ATLANTIC TRADING INC. | — | 703301 | — | Dissolved | — |
| BMB Farms Ltd. | — | 751915 | — | Pending | — |
| BMB FITNESS INC. | — | 669402 | — | Active | — |
| BMB PROPERTIES INC. | — | 38892 | — | Dissolved | — |
| BMB REALTY LTD. | — | 90594 | — | Dissolved | — |
| BMB TRANSPORT INC. | — | 511038 | — | Dissolved | — |
| BMB TRUCKING | — | 663454 | — | Dissolved | — |
| BMC GROUP | — | 629571 | — | Dissolved | — |
| BMC GROUP | — | 348404 | — | Dissolved | — |
| BMC HOLDINGS INC. | — | 49502 | — | Dissolved | — |
| BMC LIMITED | — | 1315 | — | Merged | — |
| BMC MINI EXCAVATING & SNOW REMOVAL | — | 646330 | — | Dissolved | — |
| BMC PHOTOGRAPHY INC. | — | 52867 | — | Dissolved | — |
| BMC Ventures | — | 755910 | — | Active | — |
| BMCTBG Canada Ltd. | — | 515475 | — | Dissolved | — |
| BMD Holdings Inc. | — | 778324 | — | Active | — |
| BMD PHARMACY LTD. | — | 35696 | — | Active | — |
| BME BEVATRON MARKETING ENTERPRISES LIMITED | — | 70007 | — | Dissolved | — |
| BME Nettoyage Résidentiel | — | 676813 | — | Dissolved | — |
| BMF Infinity Marketing | — | 631741 | — | Dissolved | — |
| BMF Repair | — | 649666 | — | Active | — |
| BMG CANADA INC. | — | 76523 | — | Merged | — |
| BMG CONSULTING INC. | — | 686834 | — | Dissolved | — |
| BMG DIRECT CANADA | — | 346579 | — | Dissolved | — |
| BMG DIRECT LTD. | — | 74790 | — | Merged | — |
| BMG Dynamics Group Inc. | — | 683384 | — | Active | — |
| BMG FARMING INC. | — | 55754 | — | Active | — |
| BMG Holdings Ltd. | — | 618040 | — | Merged | — |
| BMG MUSIC CANADA | — | 346580 | — | Dissolved | — |
| BMG MUSIC CANADA INC./MUSIQUE BMG DU CANADA INC. | — | 70894 | — | Merged | — |
| BMG MUSIC CANADA INC./MUSIQUE BMG DU CANADA INC. | — | 72330 | — | Merged | — |
| BMG MUSIC CANADA INC./MUSIQUE BMG DU CANADA INC. | — | 75073 | — | Dissolved | — |
| BMG Opérations Forestières Inc. | — | 601717 | — | Dissolved | — |
| BMG RIGHTS MANAGEMENT (Canada) Inc. | — | 666991 | — | Active | — |
| BMG Rights Management Canada A | — | 667821 | — | Active | — |
| BMG Rights Management Canada B | — | 667822 | — | Active | — |
| BMG Rights Management Canada S | — | 667823 | — | Active | — |
| BMG Woodstock Ltd. | — | 637719 | — | Dissolved | — |
| BMH ELECTRONIK INC. | — | 603693 | — | Dissolved | — |
| BMH INVESTMENTS LTD. | — | 515630 | — | Dissolved | — |
| BMI Advisory Services Ltd. | — | 716848 | — | Pending | — |
| BMI Solutions Inc. | — | 619701 | — | Dissolved | — |
| BMJ Auto | — | 627268 | — | Dissolved | — |
| BMJ Construction & Consulting Inc. | — | 669892 | — | Active | — |
| BMJ Mechanical Inc. | — | 674085 | — | Active | — |
| BMK Investments Inc. | — | 651760 | — | Active | — |
| BMK Logistics Corporation | — | 657529 | — | Dissolved | — |
| BML Cleanings | — | 775244 | — | Active | — |
| BML Inspection and Welding Services LTD. | — | 694331 | — | Active | — |
| BML LEASING LIMITED | — | 73154 | — | Merged | — |
| BML LEASING LIMITED/LOCATION BML LIMITEE | — | 74825 | — | Merged | — |
| BMLG EQUIPMENT LTD. | — | 506092 | — | Dissolved | — |
| BMLG Group Inc. | — | 776169 | — | Active | — |
| BMLG Property Inc. | — | 776173 | — | Active | — |
| BMLG Soldier Memorial Residence Inc. | — | 776170 | — | Active | — |
| BMM Compliance | — | 658053 | — | Dissolved | — |
| BMM North America, Inc. | — | 658176 | — | Active | — |
| BMM QA Canada Limited | — | 656568 | — | Active | — |
| BMM SPAIN TESTLABS, S.L. | — | 717016 | — | Active | — |
| BMM Testlabs Canada Limited | — | 690894 | — | Active | — |
| BMO Asset Management Inc. / BMO Gestion D'Actifs Inc. | — | 75466 | — | Active | — |
| BMO Blue Rewards, Inc. BMO Récompenses Bleu, Inc. | — | 744643 | — | Active | — |
| BMO Burgundy | — | 770195 | — | Active | — |
| BMO Burgundy Asset Management | — | 770196 | — | Active | — |
| BMO CAPITAL CORPORATION BMO CORPORATION D'INVESTISSEMENT EN CAPITAL | — | 75320 | — | Dissolved | — |
| BMO CAPITAL MARKETS/BMO MARCHÉS DES CAPITAUX | — | 625796 | — | Active | — |
| BMO Capital Partners Inc. BMO Partenaires en Capital Inc. | — | 744574 | — | Active | — |
| BMO COVERED BOND GP, INC. | — | 671883 | — | Active | — |
| BMO COVERED BOND GUARANTOR LIMITED PARTNERSHIP | — | 672136 | — | Active | — |
| BMO Employee Charitable Foundation/Fondation de bienfaisance des employés de BMO | — | 100120 | — | Dissolved | — |
| 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 Insurance Solutions | — | 770169 | — | Active | — |
| BMO Insurance Solutions Inc. BMO Solutions d’assurance Inc. | — | 768081 | — | Active | — |
| 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 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 Financial Services Inc. | — | 74982 | — | Merged | — |
| BMO NESBITT BURNS INC. | — | 666982 | — | Active | — |
| BMO Nesbitt Burns Inc. | — | 76071 | — | Merged | — |
| BMO NESBITT BURNS MONEY MARKETS | — | 341122 | — | Dissolved | — |
| 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 | — |
| Bmore Consulting | — | 687301 | — | Dissolved | — |
| 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 | — |