| DU RÉEL AU MINIATURE (2022) INC. | — | 738877 | — | Dissolved | — |
| DU-ALL PLUMBING | — | 309696 | — | Dissolved | — |
| DU-BEAU CONSTRUCTION LTEE | — | 40266 | — | Dissolved | — |
| DU-BO MEUBLES LTEE | — | 41454 | — | Dissolved | — |
| DU-CON LUMBER LTD. | — | 54143 | — | Dissolved | — |
| DU-MAC LTD. | — | 30334 | — | Dissolved | — |
| DU-REP ENTERPRISES LTEE/LTD | — | 34831 | — | Active | — |
| DUAL Commercial (Canada) Inc. | — | 679346 | — | Dissolved | — |
| DUAL QUANT INFORMATICS | — | 649306 | — | Dissolved | — |
| DUAL QUANT INFORMATICS | — | 688296 | — | Pending | — |
| DUAL T Donuts Limited | — | 754331 | — | Active | — |
| Dual Ventures Inc. | — | 618823 | — | Dissolved | — |
| DUAL-LITE (CANADA) | — | 342291 | — | Dissolved | — |
| Duane Benson Consulting Inc. | — | 617990 | — | Dissolved | — |
| DUANE HOVEY MOTORS LTD. | — | 93443 | — | Dissolved | — |
| Duane M. McAfee Professional Corporation | — | 641952 | — | Active | — |
| DUANE'S AUTOMOTIVE REPAIR LTD. | — | 631556 | — | Dissolved | — |
| Duane's Delivery | — | 720285 | — | Pending | — |
| Duane's Furniture & Appliances | — | 350223 | — | Dissolved | — |
| Duane's Furniture & Appliances | — | 350092 | — | Dissolved | — |
| DUANE'S FURNITURE & APPLIANCES INC. | — | 611596 | — | Dissolved | — |
| DUANE'S PLACE (1974) LTD. | — | 5268 | — | Dissolved | — |
| DUANE'S PLACE LTD. | — | 92196 | — | Dissolved | — |
| DUANE'S RESTAURANT LTD. | — | 5269 | — | Active | — |
| DUANE'S UPHOLSTERY | — | 335493 | — | Dissolved | — |
| DUART INVESTMENTS LTD. | — | 92197 | — | Dissolved | — |
| Duart Mull Services | — | 715139 | — | Active | — |
| DUB ANTENNA MUSIC | — | 681599 | — | Dissolved | — |
| Dub.Flo Multi Services Inc. | — | 770417 | — | Active | — |
| Dubai Crown Barbershop | — | 777873 | — | Active | — |
| DUBBA PHOTO | — | 603683 | — | Dissolved | — |
| DUBBA PHOTOGRAPHY | — | 326995 | — | Dissolved | — |
| DUBBA STUDIO | — | 337436 | — | Dissolved | — |
| Dubba Studio | — | 697281 | — | Dissolved | — |
| DUBBA STUDIO | — | 612178 | — | Dissolved | — |
| Dubba Studio | — | 652960 | — | Dissolved | — |
| DubC Consulting Inc. | — | 694148 | — | Merged | — |
| Dube and Son Construction Ltd. | — | 734845 | — | Active | — |
| DUBE BROS. EQUIPMENT LTD. - EQUIPEMENT DUBE ET FRERES LTEE. | — | 33992 | — | Dissolved | — |
| DUBE CONSTRUCTION CO. LTD.-DUBE CONSTRUCTION CIE. LTEE. | — | 5271 | — | Dissolved | — |
| DUBE ENTERPRISES, LTD. | — | 5272 | — | Dissolved | — |
| DUBE ET ISABELLE INC. | — | 71765 | — | Dissolved | — |
| DUBE EXCAVATION INC. | — | 32184 | — | Dissolved | — |
| DUBE READY-MIX LTD. | — | 92199 | — | Merged | — |
| DUBE REALTY LTD. - IMMEUBLES DUBE LTEE | — | 5274 | — | Dissolved | — |
| DUBE SPORT LTEE. | — | 5275 | — | Dissolved | — |
| DUBE TRUCKING LTEE. | — | 20166 | — | Active | — |
| DUBE'S ENTERPRISES | — | 303805 | — | Dissolved | — |
| DUBE'S FURNITURE WAREHOUSE (1984) LTD. | — | 33218 | — | Dissolved | — |
| DUBE'S HOLDINGS LTD. | — | 5276 | — | Dissolved | — |
| DUBE, WILSON & ASSOCIATES/DUBE, WILSON & ASSOCIES | — | 303804 | — | Dissolved | — |
| Dubee's Bookkeeping & Income Tax Services Inc. | — | 611832 | — | Dissolved | — |
| DUBEL PHOTO INC. | — | 515468 | — | Merged | — |
| DUBER PRODUCTS INC. | — | 611789 | — | Dissolved | — |
| Dublado-Roque Services Inc. | — | 762306 | — | Active | — |
| DUBLAR MANAGEMENT LTD. | — | 5277 | — | Dissolved | — |
| DUBOIS CHEMICALS CANADA INC. | — | 741519 | — | Merged | — |
| DuBois Chemicals Canada Inc. | — | 640981 | — | Merged | — |
| DUBOIS CHEMICALS CANADA INC. | — | 752321 | — | Merged | — |
| DUBOIS CHEMICALS CANADA INC. | — | 732274 | — | Merged | — |
| DUBOIS CHEMICALS CANADA INC. | — | 763161 | — | Active | — |
| DUBOIS CHEMICALS OF CANADA LIMITED/LES PRODUITS CHIMIQUES DUBOIS DU CANADA LIMITEE | — | 17558 | — | Dissolved | — |
| DUBONALA ENR. | — | 337548 | — | Dissolved | — |
| Dubroy Enterprises Ltd. | — | 691842 | — | Dissolved | — |
| DUBYA TRANSPORT | — | 676605 | — | Active | — |
| DUBÉ & FILS TRANSPORT INC. | — | 612145 | — | Dissolved | — |
| DUBÉ AMEUBLEMENT & MATÉRIEL DE BUREAU | — | 350652 | — | Dissolved | — |
| DUBÉ AUTO SALES LIMITED | — | 5270 | — | Dissolved | — |
| DUBÉ FARMS INC. | — | 604512 | — | Active | — |
| Dubé Techno Design | — | 645048 | — | Active | — |
| Dubé Towing | — | 668103 | — | Dissolved | — |
| Duc Hoo Duchesse Kids Boutique | — | 698698 | — | Dissolved | — |
| Duc Luong's Holdings Inc. | — | 695774 | — | Active | — |
| Duc Luong's Holdings Inc. | — | 661404 | — | Merged | — |
| DUC NGUYEN RESTAURANT INC. | — | 746501 | — | Active | — |
| DUCAL PROFESSIONAL SERVICES CORP. | — | 515171 | — | Active | — |
| DucatFlow Inc. | — | 676000 | — | Dissolved | — |
| Ducati Canada Inc. | — | 648238 | — | Active | — |
| Ducati Financial Services | — | 742983 | — | Active | — |
| Ducey & Demmings Construction Inc. | — | 703786 | — | Active | — |
| DUCEY CONTRACTING LTD. | — | 44928 | — | Dissolved | — |
| DUCEY LUMBER LTD. | — | 5278 | — | Dissolved | — |
| DUCEY'S WHARF REPAIR | — | 320658 | — | Dissolved | — |
| DUCHARME, MCMILLEN & ASSOCIATES CANADA, LTD. | — | 616602 | — | Active | — |
| Duchem Innovations | — | 608283 | — | Dissolved | — |
| DUCK COVE ENTERPRISES LIMITED | — | 5279 | — | Dissolved | — |
| Duck Cove Photography | — | 347166 | — | Dissolved | — |
| DUCK COVE REALTIES, LIMITED | — | 92200 | — | Dissolved | — |
| DUCK COVE RECREATION & HERITAGE ASSOCIATION INC. | — | 23752 | — | Active | — |
| DUCK COVE TENNIS CLUB | — | 774130 | — | Active | — |
| Duck Duck Bike | — | 662944 | — | Dissolved | — |
| Duck Duck Coffee Roasters | — | 734919 | — | Active | — |
| Duck Goose Farm | — | 764506 | — | Active | — |
| Duck Head Developments Inc. | — | 723397 | — | Active | — |
| DUCK HEAD HOLDINGS INC. | — | 504852 | — | Merged | — |
| DUCK HEAD OUTLET | — | 335342 | — | Dissolved | — |
| DUCK HEAD RETAIL | — | 335343 | — | Dissolved | — |
| DUCK IMPORT | — | 322623 | — | Dissolved | — |
| DUCK INVESTMENTS LIMITED | — | 39290 | — | Active | — |
| DUCK OR DYE PAINTBALL GAMES | — | 336070 | — | Dissolved | — |
| Duck personalized gifts | — | 772192 | — | Active | — |
| Duck Pond Enterprises Inc. | — | 774429 | — | Active | — |
| DUCK SHORE RESIDENTS ASSOCIATION, INC. | — | 603227 | — | Active | — |
| Ducks Are Real Pub Ltd. | — | 752640 | — | Active | — |
| DUCKS FOR BUCKS | — | 323611 | — | Dissolved | — |
| Ducks in a Row | — | 633562 | — | Dissolved | — |
| Ducks in a Row | — | 696367 | — | Dissolved | — |
| Ducks in a Row Corp. | — | 650633 | — | Dissolved | — |
| DUCKS UNLIMITED CANADA CANARDS ILLIMITES CANADA | — | 100009 | — | Active | — |
| Ducky Developments Ltd. | — | 745381 | — | Active | — |
| DUCKY'S | — | 344547 | — | Dissolved | — |
| Ducky's | — | 752920 | — | Active | — |
| DUCKY'S | — | 340189 | — | Dissolved | — |
| Ducky's | — | 732061 | — | Dissolved | — |
| DUCKY'S BAR | — | 321332 | — | Dissolved | — |
| Duclernier Web Development Studio | — | 687118 | — | Dissolved | — |
| DUCLOS & FILS LTEE | — | 33843 | — | Active | — |
| DUCLOS HOLDINGS INC. | — | 33954 | — | Dissolved | — |
| DUCO FERME LTEE. | — | 5282 | — | Dissolved | — |
| DUCO LTD. | — | 5281 | — | Dissolved | — |
| DUCO. VENTURES LTD. | — | 59687 | — | Dissolved | — |
| DUCOR INSTALLATIONS LTD. | — | 58736 | — | Dissolved | — |
| Duct & Mist Cleaning Services Inc. | — | 719546 | — | Dissolved | — |
| DUCTAL | — | 730443 | — | Active | — |
| DuctRon Solutions Inc. | — | 771895 | — | Active | — |
| DUDE ENTERPRISES INC. | — | 505844 | — | Dissolved | — |
| Dudeskin North America Inc. | — | 625516 | — | Dissolved | — |
| DUDLEY'S ENTERPRISES INC. | — | 43572 | — | Dissolved | — |
| DUDON LTD. | — | 32944 | — | Dissolved | — |
| DUDS FOR SPUDS | — | 344796 | — | Dissolved | — |
| DUDS FOR U INC. | — | 56988 | — | Dissolved | — |
| Due Diligence Food and Beverage Consulting | — | 694629 | — | Dissolved | — |
| Due North Carpentry & Construction | — | 760349 | — | Dissolved | — |
| DUE SOUTH STRATEGIES | — | 338092 | — | Dissolved | — |
| Dueler's Pizza | — | 603225 | — | Dissolved | — |
| Dueling Pianos | — | 605779 | — | Dissolved | — |
| DUET CAFÉ | — | 609293 | — | Dissolved | — |
| DUET CAFÉ INC. | — | 614803 | — | Dissolved | — |
| DUFCO INVESTMENTS LTD. | — | 2360 | — | Dissolved | — |
| Dufden Holdings Inc. | — | 669301 | — | Merged | — |
| DUFF & PHELPS CANADA LIMITED | — | 694290 | — | Merged | — |
| DUFF CONSTRUCTION | — | 345459 | — | Dissolved | — |
| DUFF MOTORS LTD. | — | 509377 | — | Dissolved | — |
| DUFFER ENTERPRISES LTD. | — | 500823 | — | Dissolved | — |
| DUFFERIN CONSULTANTS | — | 318304 | — | Inactive | — |
| DUFFERIN CUE LTD. | — | 75500 | — | Dissolved | — |
| DUFFERIN DEVELOPMENTS INC. | — | 631403 | — | Active | — |
| DUFFERIN ENTERPRISES LIMITED | — | 502099 | — | Active | — |
| DUFFERIN ENTERPRISES LIMITED | — | 41609 | — | Merged | — |
| DUFFERIN ENTERPRISES LIMITED | — | 5284 | — | Merged | — |
| DUFFERIN FUNERAL SERVICE LTD. | — | 41669 | — | Dissolved | — |
| DUFFERIN GAMES LTD. | — | 75502 | — | Dissolved | — |
| DUFFERIN HALL HERITAGE INN | — | 320828 | — | Dissolved | — |
| DUFFERIN HOLDINGS LTD | — | 20517 | — | Dissolved | — |
| DUFFERIN LEISURE LTD. | — | 75501 | — | Dissolved | — |
| DUFFERIN LOGGING LTD. | — | 57326 | — | Active | — |
| DUFFERIN MINING LIMITED | — | 92202 | — | Dissolved | — |
| DUFFERIN MORTGAGE CORPORATION LIMITED | — | 70417 | — | Inactive | — |
| DUFFERIN POINT INC. | — | 640227 | — | Dissolved | — |
| DUFFERIN REALTY | — | 318303 | — | Inactive | — |
| DUFFERIN REALTY LTD. | — | 92203 | — | Dissolved | — |
| Dufferin Solar Power Inc. | — | 685309 | — | Active | — |
| Dufferin Wind Power Inc. | — | 657593 | — | Active | — |
| DUFFERIN-DUPONT ALIGNMENT CENTRE LIMITED | — | 740455 | — | Active | — |
| DUFFERN LEASING | — | 318302 | — | Inactive | — |
| DUFFEY FINANCIAL SOLUTIONS INC. | — | 679748 | — | Dissolved | — |
| Duffey's Three Dolphins | — | 350165 | — | Dissolved | — |
| DUFFLEY ENTERPRISES LTD. | — | 31506 | — | Dissolved | — |
| Duffney Jewellers | — | 620362 | — | Dissolved | — |
| Duffy Construction Ltd | — | 650814 | — | Dissolved | — |
| DUFFY COTTAGE HOLDINGS INC. | — | 607452 | — | Active | — |
| DUFFY DRYDEN HOLDINGS INC. | — | 625675 | — | Active | — |
| Duffy trucking | — | 626859 | — | Active | — |
| Duffy Water Treatment | — | 737506 | — | Dissolved | — |
| Duffy Water Treatment Inc. | — | 752867 | — | Active | — |
| Duffy's Corner Clothing | — | 617559 | — | Dissolved | — |
| Duffy's Custom Cuts | — | 725258 | — | Pending | — |
| DUFFY'S DUDS | — | 318174 | — | Dissolved | — |
| Duffy's Enterprises | — | 625502 | — | Dissolved | — |
| DUFFY'S HOLDINGS LTD. | — | 49795 | — | Dissolved | — |
| DUFFY'S HOME MAINTENANCE SERVICE | — | 303807 | — | Dissolved | — |
| DUFFY'S LOUNGE LTD. | — | 49796 | — | Dissolved | — |
| DUFFY'S PLACE | — | 333112 | — | Dissolved | — |
| DUFFY'S TAVERN | — | 607162 | — | Dissolved | — |
| Dufour Cedar Products | — | 641170 | — | Dissolved | — |
| DUFOUR ENTERPRISES LIMITED | — | 40473 | — | Dissolved | — |
| Dufour Property Services Ltd. | — | 692775 | — | Dissolved | — |
| Dufour Small Engine Repair | — | 345610 | — | Dissolved | — |
| Dufour's Taxi | — | 660840 | — | Dissolved | — |
| Dufourz Designz | — | 695612 | — | Active | — |
| DUFRESNE (MARITIME) COMPANY LIMITED | — | 92205 | — | Dissolved | — |
| Dufresne Retail Solutions Group Inc. | — | 624659 | — | Merged | — |
| Dufresne Retail Solutions Group Inc. | — | 700279 | — | Active | — |
| DUGAS & DUGAS ENRG. | — | 303808 | — | Dissolved | — |
| DUGAS & FRERES (1994) LTEE | — | 57065 | — | Dissolved | — |
| DUGAS & FRERES LTEE | — | 5286 | — | Merged | — |
| DUGAS & HACHE LTEE | — | 5287 | — | Dissolved | — |
| DUGAS & ROUSSEL LTEE | — | 5290 | — | Dissolved | — |
| DUGAS AQUACULTURE LTEE | — | 605227 | — | Dissolved | — |
| Dugas Construction | — | 614041 | — | Dissolved | — |