| Dundee Goodman Private Wealth | — | 668143 | — | Dissolved | — |
| DUNDEE INSURANCE AGENCY LTD./ ASSURANCES DUNDEE LTÉE. | — | 76839 | — | Merged | — |
| Dundee Insurance Agency Ltd./Assurances Dundee Ltee | — | 626079 | — | Merged | — |
| Dundee Insurance Agency Ltd./Assurances Dundee Ltee | — | 617034 | — | Merged | — |
| DUNDEE MUTUAL FUNDS | — | 345688 | — | Dissolved | — |
| DUNDEE PAVING LTD. | — | 30368 | — | Dissolved | — |
| DUNDEE PIZZA | — | 329672 | — | Dissolved | — |
| DUNDEE PRIVATE INVESTORS MANAGEMENT INC. | — | 76863 | — | Merged | — |
| Dundee Realty Management Inc. | — | 75520 | — | Dissolved | — |
| Dundee Securities | — | 351996 | — | Dissolved | — |
| Dundee Securities | — | 346502 | — | Dissolved | — |
| Dundee Securities Corporation | — | 76652 | — | Merged | — |
| Dundee Securities Corporation | — | 77746 | — | Merged | — |
| Dundee Securities Corporation/Corporation de Valeurs Mobilieres Dundee | — | 614281 | — | Merged | — |
| Dundee Securities Direct | — | 612748 | — | Dissolved | — |
| Dundee Securities Ltd./Valeurs Mobilieres Dundee Ltée | — | 654931 | — | Merged | — |
| Dundee Securities Ltd./Valeurs Mobilieres Dundee Ltée | — | 675783 | — | Merged | — |
| DUNDEE SERVICE STATION LTD. | — | 503426 | — | Dissolved | — |
| DUNDEE TAKE-OUT INC. | — | 42469 | — | Dissolved | — |
| DUNDEE WEALTH MANAGEMENT | — | 616263 | — | Dissolved | — |
| DUNDEE WEALTH MANAGEMENT | — | 616264 | — | Dissolved | — |
| DUNDEE'S ROADHOUSE | — | 314721 | — | Dissolved | — |
| DUNDEEWEALTH INC. | — | 76971 | — | Dissolved | — |
| DundeeWealth Investment Counsel | — | 653614 | — | Dissolved | — |
| Dunder Office Limited Partnership | — | 757735 | — | Active | — |
| Dundonald Street Afterhours Clinic | — | 651427 | — | Dissolved | — |
| DUNES ACTIVE WEAR INC./VETEMENTS DE SPORTS DUNES INC. | — | 500936 | — | Dissolved | — |
| DUNES SUBMARINE LTD. | — | 92214 | — | Dissolved | — |
| Dunfield Contracting | — | 627611 | — | Dissolved | — |
| Dunfield Medical Professional Corporation | — | 757394 | — | Active | — |
| Dunfield Real Estate Inc. | — | 729364 | — | Active | — |
| DUNGANNON EXPLORATIONS LTD. | — | 17563 | — | Dissolved | — |
| DUNGARVAN ENTERPRISES LTD. | — | 58036 | — | Dissolved | — |
| Dungarvon ATV Club Inc. | — | 657264 | — | Active | — |
| DUNGARVON CAMP ASSOCIATION LTD. | — | 503185 | — | Dissolved | — |
| DUNGARVON COUNTRY | — | 303815 | — | Dissolved | — |
| DUNGARVON FORESTRY PROJECT INC. | — | 92215 | — | Dissolved | — |
| Dungarvon Holdings Ltd. | — | 651575 | — | Active | — |
| DUNGARVON POWER TRACK | — | 332674 | — | Dissolved | — |
| Dungarvon Power Track Inc. | — | 725520 | — | Dissolved | — |
| DUNGARVON WHOOPER LTD. | — | 5319 | — | Active | — |
| Dungarvon Whooper Power Track | — | 604113 | — | Dissolved | — |
| Dungarvon Whooper Power Track | — | 605410 | — | Dissolved | — |
| DUNGARVON WHOOPER POWER TRACK INC. | — | 619202 | — | Dissolved | — |
| DUNGEON DEALS | — | 675691 | — | Dissolved | — |
| DUNHAM AND FRENETTE COMPANY, LIMITED | — | 92216 | — | Dissolved | — |
| Dunham Elevator and Lifts | — | 638934 | — | Dissolved | — |
| Dunham's Contracting (2009) Ltd. | — | 644191 | — | Active | — |
| DUNHAM'S CONTRACTING LTD. | — | 5321 | — | Active | — |
| DUNHAM'S FISH HATCHERY LTD. | — | 38480 | — | Dissolved | — |
| DUNHAM'S GROCERY | — | 337848 | — | Dissolved | — |
| DUNHAM'S INN & RESTAURANT INC. | — | 51252 | — | Dissolved | — |
| DUNHAM'S SEPTIC SOLUTION LTD. | — | 638749 | — | Dissolved | — |
| DUNHAM-BUSH OF CANADA LIMITED | — | 17564 | — | Dissolved | — |
| Dunhams Run Estate Winery | — | 661822 | — | Active | — |
| DUNHILL CIGARETTES LES CIGARETTES DUNHILL | — | 332066 | — | Dissolved | — |
| DUNHILL ENTERPRISES LTD. | — | 5322 | — | Dissolved | — |
| DUNHILL INVESTMENTS LIMITED | — | 70100 | — | Inactive | — |
| DUNKIN DONUTS | — | 301694 | — | Dissolved | — |
| Dunkirk Canada Acquisition Corp. | — | 649283 | — | Dissolved | — |
| Dunlap Automotive Group Inc. | — | 626699 | — | Dissolved | — |
| Dunlap Holdings Inc. | — | 508091 | — | Pending | — |
| DUNLAP'S DRYWALL LTD. | — | 5323 | — | Dissolved | — |
| DUNLAP'S TRUCKING | — | 303817 | — | Dissolved | — |
| DUNLAP'S TRUCKING | — | 669608 | — | Dissolved | — |
| DUNLEEN INC | — | 502822 | — | Dissolved | — |
| DUNLOP CEDAR LTD. - CEDRE DUNLOP LTEE | — | 41515 | — | Dissolved | — |
| DUNLOP CONSTRUCTION INC. | — | 50227 | — | Dissolved | — |
| DUNLOP ENTERPRISES LTD. | — | 5324 | — | Dissolved | — |
| DUNLOP TIRES (CANADA) LTD. | — | 74289 | — | Dissolved | — |
| DUNLOP'S IRVING | — | 303818 | — | Dissolved | — |
| DUNLOP'S SALES AND SERVICE LTD. | — | 5325 | — | Dissolved | — |
| DUNLOP'S TREE REMOVAL & LAWN CARE | — | 328334 | — | Dissolved | — |
| DUNMAR | — | 308763 | — | Dissolved | — |
| DUNMARC LTD. LTEE | — | 5326 | — | Dissolved | — |
| Dunmore Consulting | — | 703090 | — | Dissolved | — |
| Dunmore Management Consulting Ltd. | — | 772182 | — | Active | — |
| Dunn & Co. Natural Skincare | — | 709048 | — | Dissolved | — |
| DUNN AND PEARLE DAIRY BAR | — | 336774 | — | Dissolved | — |
| DUNN ASSOCIATES | — | 349499 | — | Dissolved | — |
| Dunn Avenue Productions | — | 664470 | — | Dissolved | — |
| DUNN CONSTRUCTION CO. LTD. | — | 5327 | — | Active | — |
| DUNN DISTRIBUTORS | — | 303819 | — | Dissolved | — |
| Dunn Learning Academy Inc. | — | 662281 | — | Active | — |
| Dunn Right Buffalo Sauce Inc. | — | 692144 | — | Dissolved | — |
| Dunn Right Sauce Inc. | — | 748766 | — | Active | — |
| DUNN'S AUTO SALES LTD. | — | 11273 | — | Merged | — |
| DUNN'S BOUTIQUE | — | 327119 | — | Dissolved | — |
| Dunn's Demo Cleanup | — | 695423 | — | Dissolved | — |
| DUNN'S MANUFACTURED HOME TRANSPORT INC. | — | 508949 | — | Dissolved | — |
| Dunn's Towing | — | 662914 | — | Dissolved | — |
| Dunn's Towing Inc. | — | 713556 | — | Active | — |
| DUNN'S TRACTOR SALES LTD. | — | 33946 | — | Dissolved | — |
| DUNN'S VARIETY LTD. | — | 650267 | — | Active | — |
| DUNN'S VARIETY LTD. | — | 5330 | — | Merged | — |
| DUNN'S WEST KENT INC. | — | 52673 | — | Dissolved | — |
| DUNN, THEOBALD & JOHNSON LTD. | — | 5329 | — | Dissolved | — |
| Dunn-Rite Ventilation Service | — | 350114 | — | Dissolved | — |
| DUNNCO ENTERPRISES LTD. | — | 501977 | — | Dissolved | — |
| Dunnet's Cleaning | — | 630642 | — | Active | — |
| DUNNETT BROS QUALITY WINDSHIELD REPAIR SYSTEMS | — | 320166 | — | Dissolved | — |
| Dunnett Bros. Plumbing & Heating (2002) Ltd. | — | 600491 | — | Dissolved | — |
| DUNNETT INVESTMENTS INC. | — | 34868 | — | Active | — |
| DUNNETT LUMBER LTD. | — | 92218 | — | Dissolved | — |
| DUNNETT WOODWORKING | — | 322859 | — | Dissolved | — |
| DUNNETT'S HOLDINGS LTD. | — | 514096 | — | Active | — |
| DUNNETT'S LANDSCAPING LTD. | — | 507822 | — | Active | — |
| DUNNETT'S SCRAP METALS | — | 311751 | — | Dissolved | — |
| DUNNING CURRIE INSURANCE INC. | — | 752933 | — | Dissolved | — |
| DUNNMAC INC. | — | 46072 | — | Merged | — |
| DUNOBLE LIMITED | — | 30716 | — | Dissolved | — |
| DUNPHY BROS. FINA | — | 303821 | — | Dissolved | — |
| DUNPHY FINANCIAL LTD. | — | 606110 | — | Active | — |
| DUNPHY'S AUTO LTD. | — | 44578 | — | Dissolved | — |
| Dunphy's Camping Is A Hoot | — | 653886 | — | Dissolved | — |
| DUNPHY'S CONVENIENCE STORE LTD. | — | 31335 | — | Dissolved | — |
| DUNPHY'S HOLDINGS LTD. | — | 31283 | — | Merged | — |
| DUNPHY'S HOLSTEINS LTD. | — | 622788 | — | Active | — |
| DUNPHY'S POULTRY FARM LTD. | — | 5333 | — | Merged | — |
| DUNPHY'S POULTRY FARM LTD. | — | 622785 | — | Active | — |
| Dunphy's Towing | — | 610991 | — | Dissolved | — |
| Dunridge Ventures Ltd. | — | 730772 | — | Active | — |
| DunRoamin' Stray and Rescue Inc. | — | 626849 | — | Active | — |
| DUNROMAIN FARMS LTD. | — | 32533 | — | Dissolved | — |
| DUNSINANE COAL LIMITED | — | 92221 | — | Dissolved | — |
| DUNSINANE COAL MINES, LIMITED | — | 92222 | — | Dissolved | — |
| DunSolar | — | 608097 | — | Dissolved | — |
| DUNSTAFFNAGE BED & BREAKFAST | — | 342391 | — | Dissolved | — |
| DUNSTER'S ENERGY SYSTEMS INC. | — | 42516 | — | Dissolved | — |
| Dunster's Towing | — | 765361 | — | Active | — |
| Dunster's Trade Buy Sell It - New & Used | — | 713572 | — | Dissolved | — |
| Dunsters Heating & Ventilation | — | 698766 | — | Active | — |
| DUNTAC LIMITED | — | 31374 | — | Merged | — |
| Duntragon Limited | — | 665736 | — | Active | — |
| Dunville's Snacks & Seedlings | — | 743626 | — | Active | — |
| DUNWELL DECORATING SPECIALISTS LTD. | — | 5336 | — | Dissolved | — |
| DUNWIN PROPERTIES INC. | — | 619928 | — | Dissolved | — |
| Duo Acadien - Acadian Duo | — | 630989 | — | Dissolved | — |
| DUO DESIGN INC. | — | 47218 | — | Dissolved | — |
| Duo Distributors | — | 609096 | — | Dissolved | — |
| Duo Holdings (N.B.) Ltd. | — | 604517 | — | Merged | — |
| Duo Investments Inc. | — | 56408 | — | Active | — |
| DUO VENTURES | — | 310482 | — | Dissolved | — |
| DUO-COMMUNICATIONS OF CANADA LTD./ COMMUNICATIONS-DUO DU CANADA LTEE | — | 77433 | — | Dissolved | — |
| DUO-PRO AUTO BODY REPAIR | — | 318660 | — | Dissolved | — |
| Duoclean Moncton | — | 767164 | — | Active | — |
| DUOTEK TECHNOLOGIES | — | 606524 | — | Dissolved | — |
| DUOYIDIAN PROPERTIES INC. | — | 720899 | — | Active | — |
| DuParc Capital 2 Inc. | — | 725200 | — | Active | — |
| DuParc Capital Inc. | — | 693292 | — | Active | — |
| DUPARC REAL ESTATE GROUP INC. | — | 686648 | — | Active | — |
| DUPARC REAL-ESTATE GROUP INC./GROUPE IMMOBILIER DUPARC INC. | — | 646120 | — | Merged | — |
| DuParc Real-Estate Management Inc. | — | 721639 | — | Active | — |
| Dupas Enterprises Ltd. | — | 701923 | — | Active | — |
| DUPAUL ENTERPRISES LTD. | — | 5337 | — | Dissolved | — |
| DUPERE HARDWOOD FLOORING AND SUPPLIES | — | 318396 | — | Dissolved | — |
| DUPLAIN PHOTOGRAPHY LTD. | — | 5338 | — | Dissolved | — |
| Duplessie Consulting Services | — | 348297 | — | Dissolved | — |
| DUPLESSIE HOLDINGS LTD. | — | 30371 | — | Dissolved | — |
| Duplessis & Associates Private Wealth Management | — | 771620 | — | Active | — |
| DUPLESSIS CLEANING SERVICES | — | 351916 | — | Active | — |
| DUPLESSIS ELECTRIC LTD. | — | 5339 | — | Dissolved | — |
| DUPLESSIS INVESTMENT INC. | — | 677134 | — | Active | — |
| Duplessis Management Services | — | 773049 | — | Active | — |
| Duplessis Management Services | — | 641077 | — | Dissolved | — |
| Duplessis Management Services | — | 751950 | — | Dissolved | — |
| Duplessis Plumbing | — | 658179 | — | Dissolved | — |
| DUPLESSIS SMALL ENGINE REPAIR | — | 339380 | — | Dissolved | — |
| DuPlessis Woodlot Partnership | — | 777164 | — | Active | — |
| DUPLEX ELECTRICAL SERVICES | — | 695004 | — | Dissolved | — |
| DUPLI-COLOR CANADA DIVISION | — | 313271 | — | Dissolved | — |
| DUPMAG CONSULTATION | — | 340679 | — | Dissolved | — |
| DUPONT & LESSARD OIL LTEE | — | 30874 | — | Dissolved | — |
| DUPONT CANADA INC. | — | 609961 | — | Inactive | — |
| DUPONT CANADA INC. | — | 17559 | — | Merged | — |
| DUPONT CANADA INC. | — | 609960 | — | Merged | — |
| DuPont Real Estate Inc. | — | 769427 | — | Active | — |
| DUPUIS AUTO PARTS LTD. | — | 5343 | — | Dissolved | — |
| DUPUIS CONSTRUCTION | — | 320905 | — | Dissolved | — |
| Dupuis Consulting | — | 613761 | — | Dissolved | — |
| DUPUIS CORNER FISHERMEN'S ASSOCIATION, LIMITED | — | 92225 | — | Dissolved | — |
| DUPUIS CUT-STONE LTD. | — | 40848 | — | Dissolved | — |
| DUPUIS ENTERPRISES LTD. | — | 92226 | — | Dissolved | — |
| DUPUIS FOODMARKET LTD. | — | 5344 | — | Merged | — |
| DUPUIS FUNERAL HOME LTD. - MAISON FUNERAIRE DUPUIS LTEE | — | 30844 | — | Active | — |
| Dupuis Glass | — | 708553 | — | Dissolved | — |
| DUPUIS GLASS INC. | — | 712167 | — | Active | — |
| DUPUIS GRANITE MONUMENTS LTD. | — | 5345 | — | Dissolved | — |
| DUPUIS HARDWARE LTD. | — | 693993 | — | Active | — |
| DUPUIS HARDWARE LTD. | — | 5346 | — | Merged | — |
| DUPUIS HARDWARE LTD. | — | 503675 | — | Merged | — |
| DUPUIS MASONRY INC. | — | 634677 | — | Dissolved | — |
| DUPUIS PROPERTIES INC. | — | 726731 | — | Active | — |
| DUPUIS ROOFING | — | 337757 | — | Dissolved | — |
| DUPUIS STUDIO LTD. | — | 5347 | — | Dissolved | — |
| Dupèré Construction | — | 608997 | — | Active | — |
| Duquette Construction Inc. | — | 612302 | — | Merged | — |
| DUR-EN-BUILD LTD. | — | 56849 | — | Dissolved | — |
| Dura-Coat Advanced Painting and Drywall Finishing | — | 661280 | — | Dissolved | — |
| DURA-LIFE | — | 311952 | — | Dissolved | — |