| Dr. W. Timothy F. Haswell, Professional Corp. | — | 510303 | — | Merged | |
| Dr. W. Wang M.D. Professional Corporation | — | 624920 | — | Active | |
| Dr. W.E. Merrithew P.C. Inc. | — | 59384 | — | Active | |
| Dr. Ward Murdock Professional Corporation | — | 623869 | — | Active | |
| Dr. Warren Davidson Consulting and Research | — | 602742 | — | Dissolved | |
| Dr. Warren Davidson P.C. Inc. | — | 505136 | — | Dissolved | |
| Dr. Warren Lyew Professional Corporation | — | 740238 | — | Active | |
| Dr. Wei Wei Lee Professional Corporation | — | 745612 | — | Active | |
| Dr. Wendy Stewart Professional Corporation | — | 672643 | — | Active | |
| Dr. William A. Cook Professional Corporation | — | 648417 | — | Active | |
| Dr. William Denovan Johnston Medical Professional Corporation | — | 702066 | — | Active | |
| Dr. William J. Corless Professional Corporation | — | 612751 | — | Active | |
| Dr. William M. Fitch Professional Corporation | — | 515835 | — | Active | |
| Dr. William O'Brien Medical Services | — | 672102 | — | Active | |
| Dr. William R. Henderson Prof. Corp. | — | 513530 | — | Active | |
| Dr. William R. Rector Professional Corporation Inc. | — | 664215 | — | Active | |
| Dr. William R. Rector Professional Corporation Inc. | — | 610787 | — | Merged | |
| Dr. William W. Allanach Professional Corporation | — | 623171 | — | Active | |
| Dr. Winston Lee Professional Corporation | — | 617780 | — | Active | |
| Dr. Wisam Menesi P.C. Inc. | — | 680037 | — | Active | |
| Dr. Yaniv Isaacs Professional Corporation | — | 736885 | — | Active | |
| Dr. Ying Tang Professional Corporation | — | 683680 | — | Withdrawn | |
| Dr. Yogi Sehgal Prof. Corp. | — | 674989 | — | Active | |
| Dr. Yoon Medical Professional Corporation | — | 757421 | — | Pending | |
| Dr. Young Investments Inc. | — | 751561 | — | Active | |
| Dr. Yu Chen Professional Corporation | — | 688145 | — | Active | |
| Dr. Yu Chen Yue P.C. Inc | — | 729842 | — | Active | |
| Dr. Yvan Lorquet corporation professionnelle inc. | — | 515281 | — | Pending | |
| Dr. Z. Cherri Professional Corporation | — | 769948 | — | Active | |
| Dr. Zachary Price Professional Corporation | — | 735445 | — | Active | |
| Dr. Zaki Professional Corporation | — | 654315 | — | Active | |
| Dr. Zlatko Pozeg Professional Corporation | — | 696483 | — | Active | |
| Dr. Zoe Doyle Professional Corporation | — | 688413 | — | Dissolved | |
| Dr. Ève Hébert C.P. Inc. | — | 776514 | — | Active | |
| Dr. Éric Martin C.P. Ltée | — | 740806 | — | Active | |
| Dr.Amos Adeniyi Abundant Life Counselling Center | — | 653150 | — | Dissolved | |
| Dr.M Khaleduzzaman Professional Corporation Inc | — | 688748 | — | Active | |
| Dr.Renju Kuriakose Prof. Corp. | — | 666542 | — | Active | |
| Dr.Shazmeen Ramzan Medicine Professional Corporation | — | 774482 | — | Active | |
| Dr.Snow Removal | — | 736127 | — | Active | |
| Drackmir Inc. | — | 698742 | — | Merged | |
| Draco Distribution & Sales | — | 627833 | — | Dissolved | |
| Draeger Safety Canada Limited/Appareils de Sécurité Draeger Canada Limitée | — | 637018 | — | Active | |
| Draeger Safety Systems Ltd./Systemes de Securities Draeger Ltee | — | 615255 | — | Merged | |
| Draft Guys Inc. | — | 668980 | — | Active | |
| Drafting and Design It All | — | 631472 | — | Dissolved | |
| Dragage Océan DM Inc. Ocean Dredging DM Inc. | — | 716976 | — | Active | |
| Dragon & Beaver Investments, Inc. | — | 661397 | — | Dissolved | |
| Dragon Boat Restaurant | — | 611565 | — | Dissolved | |
| Dragon Designs | — | 708160 | — | Dissolved | |
| Dragon Horse Delivery | — | 759155 | — | Active | |
| Dragon Invest Ltd. | — | 660227 | — | Dissolved | |
| Dragon Manor Rentals | — | 678945 | — | Dissolved | |
| Dragon Martini Lounge | — | 664951 | — | Dissolved | |
| Dragon Mire Farm | — | 755278 | — | Active | |
| Dragon Pearl Dumpling House | — | 720272 | — | Active | |
| Dragon Phire Paintworks | — | 347630 | — | Dissolved | |
| Dragon Quantum Healing | — | 748993 | — | Active | |
| Dragon Rise Trading Ltd. | — | 771995 | — | Active | |
| Dragon Rolls | — | 345026 | — | Dissolved | |
| Dragon Vapes E-Cigarettes | — | 673013 | — | Dissolved | |
| Dragon-Fly Photography Studio | — | 643540 | — | Dissolved | |
| DragonFly PC | — | 667889 | — | Dissolved | |
| DragonLeaf Consulting Ltd. | — | 697873 | — | Dissolved | |
| Dragonfly Centre for Autism Inc. | — | 617392 | — | Active | |
| Dragonfly Crystals | — | 685700 | — | Dissolved | |
| Dragonfly Designs | — | 636867 | — | Dissolved | |
| Dragonfly End Of Life Doula Services Libellule services de doula en fin de vie | — | 726505 | — | Pending | |
| Dragonfly Fabrication | — | 766835 | — | Active | |
| Dragonfly Footballs Ltd. | — | 619949 | — | Active | |
| Dragonfly Glass | — | 696640 | — | Dissolved | |
| Dragonfly Henna | — | 709703 | — | Active | |
| Dragonfly Holdings Inc. | — | 640651 | — | Dissolved | |
| Dragonfly Investments Inc. | — | 686412 | — | Active | |
| Dragonfly Nail Studio | — | 637742 | — | Dissolved | |
| Dragonfly Outfitters | — | 736231 | — | Active | |
| Dragonfly Shipping | — | 761481 | — | Active | |
| Dragonfly Solutions | — | 615197 | — | Active | |
| Dragonfly Wings Reiki & Giftshop | — | 705582 | — | Dissolved | |
| Dragonhide Holdings Inc. | — | 772661 | — | Active | |
| Drain Doctor Drain Management | — | 708002 | — | Dissolved | |
| Drain Man | — | 757737 | — | Active | |
| Drain Waste Ventilation (DWV) Stockford Contaminate Pipeline Shell | — | 710458 | — | Dissolved | |
| Draka EHC | — | 729603 | — | Active | |
| Draka Elevator Products, Incorporated | — | 679106 | — | Active | |
| Drake & Parker Promotion Ltd. | — | 626530 | — | Dissolved | |
| Drake International Inc. | — | 618551 | — | Active | |
| Drake's Original Ginger Beef | — | 716291 | — | Dissolved | |
| Dram Consult Ltd. | — | 660270 | — | Dissolved | |
| Dramis Holdings Ltd. | — | 635367 | — | Dissolved | |
| Dramis Network Cabling (2009) Ltd. | — | 645983 | — | Merged | |
| Dramis Properties Ltd. | — | 44222 | — | Active | |
| Drane Construction | — | 346453 | — | Dissolved | |
| Drape Industry Ltd. | — | 660271 | — | Dissolved | |
| Drapeau Repair Services | — | 710745 | — | Dissolved | |
| Drapeau Tourism & Hospitality Consulting Services | — | 707385 | — | Dissolved | |
| Drapeaux Ross Flags | — | 676717 | — | Active | |
| Drapeaux Ross Flags | — | 608241 | — | Dissolved | |
| Drapery Concepts | — | 622060 | — | Dissolved | |
| Drastic Fisheries Holdings Ltd. | — | 743971 | — | Active | |
| Drastic Fisheries Ltd. | — | 664437 | — | Active | |
| Drastic Trade Ltd. | — | 660272 | — | Dissolved | |
| Draught Pro NB | — | 686915 | — | Dissolved | |
| Draughtmaster Services | — | 620794 | — | Dissolved | |
| Draus Properties Inc. | — | 745832 | — | Active | |
| Draw Auto Cleaning Inc. | — | 768315 | — | Active | |
| Drawn To It Studios Inc. | — | 722285 | — | Dissolved | |
| Draximage, a division of DRAXIS Specialty Pharmaceuticals Inc. | — | 639475 | — | Dissolved | |
| Draximage, une division de Produits Pharmaceutiques Spécialisés DRAXIS Inc. | — | 639474 | — | Dissolved | |
| Dray's Variety | — | 646915 | — | Active | |
| Drayson Counselling Services | — | 675313 | — | Dissolved | |
| Drazen Studio Inc. | — | 634537 | — | Dissolved | |
| Dre Amila Landry-Darismé C.P. Inc. | — | 715022 | — | Active | |
| Dre Amélie Cyr C.P. Inc. | — | 677481 | — | Active | |
| Dre Andréa Robichaud-Galeano C.P. Inc. | — | 777844 | — | Active | |
| Dre Andrée Lirette Corporation Professionnelle Inc. | — | 604131 | — | Active | |
| Dre Anick Pelletier c.p. Inc | — | 632539 | — | Dissolved | |
| Dre Anik Lang C.P. Inc. | — | 690052 | — | Active | |
| Dre Anik LeBLanc P.C. Inc. | — | 690757 | — | Active | |
| Dre Anik Savoie C.P. Inc. | — | 626279 | — | Active | |
| Dre Anna Lexcellent C.P. Inc. | — | 780314 | — | Active | |
| Dre Anne Doiron Corporation Professionnelle | — | 514827 | — | Active | |
| Dre Anne T. Cyr C.P. Inc. | — | 659414 | — | Active | |
| Dre Anne-Marie Martin C.P. Inc | — | 656601 | — | Dissolved | |
| Dre Anne-Marie Ouellette, c.p. Inc. | — | 645418 | — | Active | |
| Dre Annick Murphy P.C. Inc. | — | 736238 | — | Active | |
| Dre Annie Laflamme-Fillion c.p. inc. | — | 659132 | — | Active | |
| Dre Ariane Hobbs c.p. inc. | — | 713937 | — | Active | |
| Dre Asunta Luyela C.P. Inc. | — | 667368 | — | Active | |
| Dre Audrey Bouffard-Cloutier, chirurgienne, C. P. Inc. | — | 693162 | — | Active | |
| Dre Audrey-Anne Gauvin C.P. Inc. | — | 727724 | — | Active | |
| Dre C. Maltais C.P. Inc. | — | 642445 | — | Active | |
| Dre C. St-Laurent et Dre C. Sivret C.P. Inc. | — | 720038 | — | Active | |
| Dre Carine Landry Dentisterie | — | 715079 | — | Active | |
| Dre Carole Ouellette P.C. Inc. | — | 662409 | — | Active | |
| Dre Carole Poirier C.P. Inc. | — | 630910 | — | Active | |
| Dre Carole S. LeBlanc C.P. Inc. | — | 654700 | — | Active | |
| Dre Caroline Couturier C.P. Inc. | — | 725530 | — | Active | |
| Dre Catherine David C.P. Inc. | — | 735722 | — | Active | |
| Dre Celeste Ferron C.P. Inc. | — | 745933 | — | Active | |
| Dre Clarita Pierre Louis c.p. inc. | — | 734446 | — | Active | |
| Dre Claudia R. Coimbra cp inc. | — | 644768 | — | Active | |
| Dre Cynthia Savoy C.P. Inc. | — | 614125 | — | Pending | |
| Dre Céline Finn C.P. Inc. | — | 628628 | — | Active | |
| Dre Danika Landry C.P. Inc. | — | 735914 | — | Active | |
| Dre Danièle Thibodeau C.P. Inc. | — | 623852 | — | Active | |
| Dre Dany Saucier C.P. Inc. | — | 717021 | — | Active | |
| Dre Edith Couturier Corporation Professionnelle | — | 691342 | — | Active | |
| Dre Edmonde Gionet Corporation Professionnelle Inc. | — | 629643 | — | Active | |
| Dre Emilie Bazinet C.P. Inc. | — | 678783 | — | Active | |
| Dre Emilie Corriveau C.P. Inc. | — | 703547 | — | Active | |
| Dre Eva Coulibaly Corporation Professionnelle Inc. | — | 678974 | — | Dissolved | |
| Dre Evelyn Hayes C.P. Inc. | — | 621939 | — | Withdrawn | |
| Dre F. LeBlanc C.P. Inc. | — | 760169 | — | Pending | |
| Dre Francesca Duguay C.P. Inc. | — | 702057 | — | Active | |
| Dre Geneviève Aubé C.P. Inc. | — | 741504 | — | Active | |
| Dre Geneviève Levesque Corporation Professionnelle | — | 515007 | — | Merged | |
| Dre Geneviève Mallet C.P. Inc. | — | 676691 | — | Dissolved | |
| Dre Ghyda Luttfy corporation professionnelle inc. | — | 637650 | — | Active | |
| Dre Guylaine Beaulieu C.P. Inc. | — | 659434 | — | Dissolved | |
| Dre Guylaine M. Chiasson Corporation Professionnelle Inc. | — | 642686 | — | Active | |
| Dre Hélène Faucher c.p. inc. | — | 654552 | — | Active | |
| Dre Hélène LeBreton C.P. Inc. | — | 723702 | — | Active | |
| Dre Hélène Thibault C.P. Inc. | — | 672715 | — | Active | |
| Dre ISABELLE BUJOLD CORPORATION PROFESSIONNELLE INC. | — | 658356 | — | Active | |
| Dre Isabella Duguay, optométriste C.P. Inc. | — | 773874 | — | Active | |
| Dre Isabelle Cormier C.P. Inc. | — | 734531 | — | Active | |
| Dre Isabelle Jean Corporation Professionnelle Inc. | — | 610068 | — | Active | |
| Dre Janik Côté Bérubé C.P. Inc. | — | 648773 | — | Active | |
| Dre Janique Allain C.P. Inc. | — | 717220 | — | Active | |
| Dre Jenna Belliveau C.P. Inc. | — | 767701 | — | Active | |
| Dre Jenny-Lee Albert C.P. Inc. | — | 729805 | — | Active | |
| Dre Jessica Pelletier C.P. Inc | — | 733034 | — | Active | |
| Dre Jessica Pelletier C.P. Inc. | — | 727823 | — | Merged | |
| Dre Jessie Turcotte C.P. Inc. | — | 652386 | — | Active | |
| Dre Jessy Phillips CP Inc. | — | 686000 | — | Active | |
| Dre Joanne Breau Corporation Professionnelle Inc. | — | 630863 | — | Active | |
| Dre Joanne Breau et Dr. François Dupont Corporation Professionelle Inc. | — | 632123 | — | Active | |
| Dre Joanne Breau et Dr. François Dupont Corporation Professionnelle Inc. | — | 631227 | — | Merged | |
| Dre Joanne LeBlanc C.P. Inc. | — | 658048 | — | Pending | |
| Dre Joceline Maillet-Boudreau c.p. Inc. | — | 667739 | — | Merged | |
| Dre Joceline Maillet-Boudreau c.p. Inc. | — | 668937 | — | Active | |
| Dre Jolyane Chamberlain c.p. Inc. | — | 741190 | — | Active | |
| Dre Josette Vautour C.P. Inc. | — | 622767 | — | Active | |
| Dre Josée Martin Corporation Professionnelle Inc. | — | 651469 | — | Active | |
| Dre Josée Melanson C.P. Inc. | — | 672211 | — | Pending | |
| Dre Joyce Laplante Corporation Professionnelle Inc. | — | 605092 | — | Active | |
| Dre Julie Arseneault C.P. Inc. | — | 778533 | — | Active | |
| Dre Julie LeBouthillier c.p. Inc. | — | 670724 | — | Active | |
| Dre Julie Moffitt C.P. Inc. | — | 670721 | — | Active | |
| Dre Julie Ouellette C.P. Inc. | — | 772342 | — | Active | |
| Dre Julie Whalen Corporation Professionnelle Inc. | — | 635531 | — | Active | |
| Dre Justine Mallet C.P. Inc. | — | 728887 | — | Active | |
| Dre Karine Arseneault C.P. Inc. | — | 673152 | — | Active | |
| Dre Karine Bouchard Gestion Inc. | — | 714103 | — | Dissolved | |
| Dre Karine Boulay C.P. Inc. | — | 727870 | — | Active | |
| Dre Karine LeBlanc corporation professionnelle Inc. | — | 627005 | — | Active | |
| Dre Karine Thiboutot C.P. Inc. | — | 717003 | — | Active | |
| Dre Karine Thériault Corporation Professionnelle Inc. | — | 688317 | — | Active | |
| Dre Karolyn Cloutier Psychologie | — | 778261 | — | Active | |