| DODSY DEVELOPMENTS LTD. | — | BC1211193 | 2019-06-03 | Active | |
| DODUCK ENTERPRISES INC. | — | BC0238359 | 1981-06-30 | Inactive | |
| DODUK HOLDINGS LTD. | — | BC0049263 | 1960-12-09 | Inactive | |
| DODWELL & COMPANY LIMITED | — | LIC0000550 | — | Inactive | |
| DODWELL & LEE INC. | — | BC0661818 | 2003-01-10 | Inactive | |
| DODWELL ENTERPRISES LTD. | — | BC0450530 | 1993-07-08 | Inactive | |
| DODWELL OF CANADA LTD. | — | BC0012509 | 1931-07-08 | Inactive | |
| DODY CONCRETE CO. | — | FM0350579 | 2003-06-30 | Inactive | |
| DODY ENTERPRISES CO. LTD. | — | BC0714848 | 2005-01-27 | Inactive | |
| DODY LANDSCAPING LTD. | — | BC0941634 | 2012-05-28 | Inactive | |
| DODY SOUND MANUFACTURING | — | FM0000078 | 1966-09-30 | Active | |
| DODY'S CRAFT & HOBBY CENTRE LTD. | — | BC0187187 | 1979-02-26 | Inactive | |
| DOE & DEER ELECTRICAL & AUTOMATION SOLUTIONS | — | FM1003806 | 2022-11-05 | Active | |
| DOE AND DEAR DOULA SERVICES | — | FM1036673 | 2024-01-26 | Active | |
| DOE COFFEE | — | FM0887439 | 2022-08-06 | Active | |
| DOE CREEK FARM LTD. | — | BC0417136 | 1991-12-13 | Active | |
| DOE DOE ENTERPRISE LTD. | — | BC0582103 | 1999-03-23 | Inactive | |
| DOE HOLDINGS INC. | — | BC0890490 | 2010-09-15 | Inactive | |
| DOE HOLDINGS LTD. | — | BC0045596 | — | Inactive | |
| DOE INVESTMENTS LTD. | — | BC0282150 | 1984-08-31 | Inactive | |
| DOE ISLAND ENTERPRISES LTD. | — | BC0553922 | 1997-11-10 | Inactive | |
| DOE PICS HIT AVIATION INC. | — | C1422883 | 2023-06-20 | Active | |
| DOE PICS HIT HOLDINGS INC. | — | C1188975 | 2018-12-04 | Inactive | |
| DOE PICS HIT HOLDINGS ULC | — | BC1191128 | 2018-12-20 | Inactive | |
| DOE PICS HIT INC. | — | A0100648 | 2016-11-10 | Inactive | |
| DOE RIVER CO-OPERATIVE EXCHANGE | — | CP0000565 | — | Inactive | |
| DOE RIVER FARMERS' INSTITUTE | — | S0001939 | — | Inactive | |
| DOE RIVER FARMS LTD. | — | BC0054220 | 1962-07-30 | Inactive | |
| DOE RIVER GYMKHANA CLUB | — | S0064156 | 2015-06-23 | Inactive | |
| DOE RIVER RECREATION COMMISSION | — | S0009148 | 1971-03-05 | Active | |
| DOE RIVER SAND & GRAVEL LTD. | — | BC1307234 | 2021-05-26 | Active | |
| DOE RIVER WOMEN'S INSTITUTE | — | S0002129 | — | Inactive | |
| DOE RUN CANADIAN EXPLORATION ULC | — | BC0956831 | 2012-12-05 | Active | |
| DOE SWEETS AND TREATS | — | FM0499390 | 2009-04-02 | Active | |
| DOE'S HOUSE OF BEAUTY | — | FM0061926 | 1985-06-13 | Active | |
| DOEBELE INVESTMENTS LTD. | — | BC0164619 | 1977-08-10 | Inactive | |
| DOEDIC CAPITAL MANAGEMENT INC. | — | BC1249222 | 2020-05-05 | Inactive | |
| DOEDY MAKES SENSE FINANCIAL EDUCATION INC. | — | BC1599295 | 2026-07-13 | Active | |
| DOEFIELD FARMS | — | FM0686377 | 2016-04-13 | Active | |
| DOEGAN HOLDINGS INC. | — | BC0843396 | 2009-01-13 | Active | |
| DOEGE COMPANY LTD. | — | A0117137 | 2021-03-13 | Active | |
| DOEGE HOLDINGS LIMITED | — | BC0443662 | 1993-03-26 | Inactive | |
| DOEGE.IO CONSULTING INC. | — | BC1400323 | 2023-02-10 | Active | |
| DOEHLE ENTERPRISES INC. | — | BC1290197 | 2021-02-22 | Active | |
| DOEHNEL FLOOR MALTINGS | — | FM0229474 | 1997-11-04 | Active | |
| DOEKAI GAMES | — | FM0541552 | 2010-10-27 | Active | |
| DOEKAI GAMES INC. | — | BC0902659 | 2011-02-10 | Inactive | |
| DOEL PACIFIC ENTERPRISES LTD. | — | BC0949011 | 2012-08-29 | Inactive | |
| DOELCAM MINING CORPORATION | — | C0419101 | — | Inactive | |
| DOELEMAN MAINTENANCE LTD. | — | A0075745 | 2008-10-21 | Active | |
| DOELKER ACCESSORIES | — | FM0288437 | 2000-09-26 | Active | |
| DOELL FINANCIAL | — | FM0791481 | 2019-11-04 | Active | |
| DOELL PHOTO | — | FM1008284 | 2023-01-23 | Active | |
| DOELL PHOTO | — | FM0166090 | 1994-08-25 | Active | |
| DOELL'S DELIVERY LTD. | — | BC0066254 | — | Inactive | |
| DOEN HOLDINGS INC. | — | BC0695970 | 2004-05-26 | Inactive | |
| DOEPKER FINANCIAL SERVICES | — | FM0770146 | 2019-03-06 | Active | |
| DOEPKER INDUSTRIES LTD. | — | A0137523 | 2025-06-21 | Active | |
| DOEPKER INDUSTRIES LTD. | — | A0065909 | 2005-09-01 | Inactive | |
| DOEPKER INDUSTRIES LTD. | — | A0066635 | 2005-12-13 | Inactive | |
| DOEPKER INDUSTRIES LTD. | — | A0053010 | 2000-10-17 | Inactive | |
| DOEPKER PROPERTIES LTD. | — | A0066200 | 2005-10-07 | Inactive | |
| DOEPKER PROPERTIES LTD. | — | A0137524 | 2025-06-21 | Active | |
| DOEPKER TRAILER SALES LTD. | — | BC1235050 | 2019-12-23 | Active | |
| DOER ENTERPRISES LTD. | — | BC0351633 | 1988-09-16 | Inactive | |
| DOER ENTERPRIZES | — | FM0075792 | 1987-02-18 | Active | |
| DOER IMMIGRATION CONSULTANTS INC. | — | BC1109806 | 2017-03-04 | Active | |
| DOER INC. | — | A0116576 | 2021-02-08 | Active | |
| DOER MARKETING INC. | — | BC1256277 | 2020-07-08 | Inactive | |
| DOER MECHANICAL MAINTENANCE AND SERVICES | — | FM0125505 | 1991-12-13 | Active | |
| DOERGES INNOVATIONS | — | FM0095691 | 1989-03-15 | Active | |
| DOERING BUILDING GROUP INC. | — | BC0891390 | 2010-09-27 | Active | |
| DOERING COUNSEL GROUP | — | FM0653459 | 2015-02-20 | Active | |
| DOERING PETROLEUM LTD. | — | BC0850311 | 2009-04-23 | Active | |
| DOERKSEN & DOERKSEN | — | FM0282388 | 2000-06-12 | Active | |
| DOERKSEN & GRONAU LIMITED | — | A0021438 | 1983-12-08 | Inactive | |
| DOERKSEN & GRONAU LTD. | — | A0020350 | — | Inactive | |
| DOERKSEN CONSTRUCTION INC. | — | BC0815578 | 2008-02-04 | Active | |
| DOERKSEN CONSULTING | — | FM0067879 | 1986-03-14 | Active | |
| DOERKSEN DECORATING & PAINTING (WESTERN) | — | FM0109669 | 1990-07-16 | Inactive | |
| DOERKSEN ELECTRIC | — | FM0043436 | 1982-07-28 | Active | |
| DOERKSEN FURNITURE & APPLIANCES LTD. | — | BC0033020 | — | Inactive | |
| DOERKSEN HOLDINGS LTD. | — | BC0262481 | 1983-04-08 | Inactive | |
| DOERKSEN INVESTMENTS INC. | — | BC0636077 | 2001-10-23 | Inactive | |
| DOERKSEN LEATHERWORKS | — | FM0579656 | 2012-03-27 | Active | |
| DOERKSEN MEDICAL GAS SYSTEMS LIMITED | — | A0027336 | 1988-03-09 | Inactive | |
| DOERKSEN MUSIC INC. | — | BC0504181 | 1995-09-14 | Inactive | |
| DOERKSEN MUSIC INC. | — | BC1372939 | 2022-08-01 | Active | |
| DOERKSEN ROOF DESIGN INC. | — | BC0143124 | 1975-11-27 | Inactive | |
| DOERKSEN ROOFING LTD. | — | BC0689629 | 2004-03-12 | Active | |
| DOERKSEN SERVICES INC. | — | BC0427289 | 1992-06-15 | Inactive | |
| DOERKSEN SKIN CARE LTD. | — | BC0435095 | 1992-11-03 | Inactive | |
| DOERN GLOBAL MARKET STRATEGIES | — | FM0280919 | 2000-05-19 | Active | |
| DOERN GUTTERS | — | FM0753746 | 2018-08-06 | Active | |
| DOERN RESTORATIONS | — | FM0874908 | 2022-03-21 | Active | |
| DOERNET INC. | — | A0102502 | 2017-05-13 | Inactive | |
| DOERS DIRECTORY | — | FM0122427 | 1991-08-22 | Active | |
| DOERS EDUCATION CANADA CO. | — | FM0720007 | 2017-05-31 | Active | |
| DOERS EDUCATION CANADA CORP. | — | BC1140452 | 2017-11-07 | Inactive | |
| DOERS INVESTMENT CO. LTD., | — | BC0054014 | — | Inactive | |
| DOERS OF THE WORD MOVEMENT MINISTRIES | — | S0053923 | 2008-07-09 | Inactive | |
| DOES ENTERPRISES LTD. | — | BC0682525 | 2003-12-02 | Inactive | |
| DOES HIV LOOK LIKE ME? INTERNATIONAL SOCIETY | — | S0056145 | 2010-01-07 | Inactive | |
| DOES NOT COMPUTE | — | FM0256985 | 1999-04-12 | Active | |
| DOES YOUR JEWELLERY NEED A FACE LIFT | — | FM0198752 | 1996-05-06 | Inactive | |
| DOES YOUR MOTHER KNOW? VARIETY STORE | — | FM0253731 | 1999-02-09 | Active | |
| DOESMA ENTERPRISES LTD. | — | BC0342780 | 1988-03-25 | Inactive | |
| DOETSCH ENVIRONMENTAL SERVICES OF CANADA ULC | — | BC0977895 | 2013-08-15 | Inactive | |
| DOETSCH INTERNATIONAL SPACE CONSULTANTS | — | FM0380980 | 2004-09-22 | Active | |
| DOETSCH MANAGEMENT INC. | — | BC0334438 | 1987-10-07 | Inactive | |
| DOETTL COMPUTING | — | FM0074136 | 1986-12-09 | Active | |
| DOEX INVESTMENT LTD. | — | BC1231509 | 2019-11-26 | Active | |
| DOF MANAGEMENT LTD. | — | BC0301787 | 1985-12-13 | Inactive | |
| DOFFIN TECHNOLOGIES LTD. | — | BC1089461 | 2016-09-14 | Inactive | |
| DOFILA COMMUNICATIONS | — | FM0606963 | 2013-05-06 | Active | |
| DOFITNESS | — | FM0857891 | 2021-09-13 | Active | |
| DOFORTIS TRADE LLP | — | LL0001261 | 2017-09-25 | Active | |
| DOFT & DUFT FLOWERS INC. | — | BC1580897 | 2026-03-06 | Active | |
| DOFU CAT | — | FM0892621 | 2022-10-19 | Active | |
| DOG "N" JOG ENTERPRISES | — | FM0662547 | 2015-06-05 | Active | |
| DOG "ON" BAKERY | — | FM0378872 | 2004-08-20 | Active | |
| DOG & PONY EXPRESS LTD. | — | BC0615938 | 2000-10-17 | Inactive | |
| DOG & PONY SHOP LTD. | — | BC0593169 | 1999-09-28 | Active | |
| DOG & QUILL SUPPLY CO. | — | FM1039887 | 2024-03-01 | Active | |
| DOG 'N FUN PRODUCTIONS INC. | — | BC1425637 | 2023-07-05 | Active | |
| DOG 'N SUDS GROOMING | — | FM0150342 | 1993-09-30 | Active | |
| DOG 'N' JOG ADVENTURE GEAR | — | FM0541213 | 2010-10-22 | Active | |
| DOG 'N' SUDS PET GROOMING | — | FM0135241 | 1992-09-30 | Inactive | |
| DOG 'N' SUDS RESTAURANT INC. | — | BC0814149 | 2008-01-19 | Active | |
| DOG 'O' POGO AGILITY ASSOCIATION | — | S0042426 | 2000-12-04 | Active | |
| DOG 101 | — | FM0552789 | 2011-03-24 | Active | |
| DOG 2 DOG PET SERVICES | — | FM0393241 | 2005-03-21 | Active | |
| DOG 4 YOU | — | FM0722818 | 2017-06-30 | Active | |
| DOG ABOUT THE HOUSE HOME ACCENTS | — | FM0530119 | 2010-05-26 | Active | |
| DOG AND GUN'S ON SITE PROPERTY MANAGEMENT | — | FM0853635 | 2021-07-21 | Active | |
| DOG AND PONY ADVERTISING AND COMMUNICATIONS CORP. | — | BC0529205 | 1996-10-16 | Inactive | |
| DOG AND PONY DESIGN INC. | — | BC0613499 | 2000-09-05 | Active | |
| DOG AND PONY SHOW INC. | — | BC0686853 | 2004-02-06 | Inactive | |
| DOG AND WOLF BARBERSHOP | — | FM1056055 | 2024-09-16 | Active | |
| DOG APPROVED CO. | — | FM1042266 | 2024-03-28 | Active | |
| DOG BASICS PRODUCTS INC. | — | BC1250829 | 2020-05-21 | Active | |
| DOG BITE CONTRACTING LTD. | — | BC0916256 | 2011-07-22 | Active | |
| DOG BITES BISCUITS | — | FM0259776 | 1999-05-26 | Active | |
| DOG BLESS RESCUE PARTNERS SOCIETY | — | S0049892 | 2005-11-03 | Active | |
| DOG BONE CONSULTING INC. | — | BC0603681 | 2000-03-21 | Inactive | |
| DOG BONE PRODUCTIONS, INC. | — | BC1489798 | 2024-06-27 | Active | |
| DOG BREATH DISTRIBUTORS | — | FM0463814 | 2007-11-06 | Active | |
| DOG BUNDLES | — | FM0701695 | 2016-10-26 | Active | |
| DOG BUNDLES ONLINE INC. | — | BC1118552 | 2017-05-11 | Active | |
| DOG CENTERED | — | FM0875735 | 2022-03-28 | Active | |
| DOG CHEF TRADING | — | FM0413751 | 2006-01-04 | Active | |
| DOG CITY SPAW AND GROOMING SALON | — | FM0531253 | 2010-06-09 | Active | |
| DOG CONNECTION | — | FM1022738 | 2023-08-02 | Active | |
| DOG COOKIES BY IRIS CORPORATION | — | BC0676749 | 2003-09-09 | Active | |
| DOG COUNTRY PET GROOMING SALON | — | FM0647244 | 2014-11-19 | Active | |
| DOG COUNTRY SPECIALTY INC. | — | BC0931442 | 2012-01-30 | Inactive | |
| DOG CRAZY COMPANY | — | FM0661271 | 2015-05-22 | Active | |
| DOG CREEK HOLDINGS LTD. | — | BC0237170 | 1981-06-16 | Inactive | |
| DOG CREEK INVESTMENTS LTD. | — | BC0233813 | 1981-05-05 | Inactive | |
| DOG CREEK LOGGING CO. LTD. | — | BC0038686 | — | Inactive | |
| DOG CREEK PLACER DEVELOPMENTS | — | FM0224345 | 1997-07-30 | Active | |
| DOG CREEK POWER ASSOCIATION | — | S0014710 | 1979-05-08 | Inactive | |
| DOG CREEK RANCH LTD. | — | BC0059641 | 1964-03-13 | Active | |
| DOG CREEK ROAD STUDIO | — | FM0882469 | 2022-06-04 | Active | |
| DOG CREEK STAGE & FREIGHT LINE (1985) LTD. | — | BC0299513 | 1985-10-24 | Inactive | |
| DOG CREEK STOCK ASSOCIATION | — | S0002148 | — | Inactive | |
| DOG CREEK STORE LTD. | — | BC0081874 | 1968-09-20 | Inactive | |
| DOG CREEK TRUCKING | — | FM0696779 | 2016-08-25 | Active | |
| DOG CREEK TRUCKING | — | FM0440092 | 2006-12-21 | Active | |
| DOG DATES | — | FM0697003 | 2016-08-28 | Inactive | |
| DOG DAY AFTERNOON | — | FM0506363 | 2009-07-03 | Active | |
| DOG DAY ENTERPRISES | — | FM0372365 | 2004-05-14 | Active | |
| DOG DAYS CLOTHING | — | FM0769991 | 2019-03-05 | Active | |
| DOG DAYS DAYCARE | — | FM0249997 | 1998-11-24 | Active | |
| DOG DAYS DAYCARE | — | FM0247856 | 1998-10-13 | Active | |
| DOG DAYS DAYCARE LTD. | — | BC0677296 | 2003-09-18 | Inactive | |
| DOG DAYS OUTDOOR ADVENTURES | — | FM0772465 | 2019-03-29 | Active | |
| DOG DAYS PICTURES | — | FM0164101 | 1994-07-15 | Active | |
| DOG DAYS PRODUCTIONS INC. | — | BC0331673 | 1987-08-07 | Inactive | |
| DOG DAYS SERVICES | — | FM0616611 | 2013-09-16 | Active | |
| DOG DAYZ K9 TREAT TRUCK | — | FM0709308 | 2017-02-03 | Active | |
| DOG DEN BOUTIQUE | — | FM0269909 | 1999-11-12 | Active | |
| DOG DEN BOUTIQUE INC. | — | BC0632581 | 2001-08-16 | Inactive | |
| DOG DEPOT PLAYCARE INC. | — | BC0669100 | 2003-05-06 | Inactive | |
| DOG DIGS | — | FM0545068 | 2010-12-14 | Active | |
| DOG DOMAIN | — | FM0603295 | 2013-03-14 | Active | |
| DOG DUDES PRODUCTIONS INC. | — | BC1182070 | 2018-10-05 | Active | |
| DOG EARED BOOK STORE | — | FM0328345 | 2002-07-30 | Active | |
| DOG EARED BOOKS PUBLISHING INC. | — | BC0482952 | 1994-10-25 | Inactive | |
| DOG EARS BOOKKEEPING LTD. | — | BC1112537 | 2017-03-24 | Inactive | |
| DOG EAT CORNDOG | — | FM0772076 | 2019-03-27 | Active | |
| DOG EAT DOG MARKETING | — | FM0507093 | 2009-07-15 | Active | |
| DOG EAT DOG VENTURES | — | FM0280214 | 2000-05-10 | Active | |
| DOG FATHER PET FOOD 'N MORE | — | FM0478661 | 2008-05-26 | Active | |
| DOG FATHER'S MOBILE FOOD AND BEVERAGE | — | FM0521712 | 2010-02-09 | Active | |
| DOG FISH FILMS | — | FM0159761 | 1994-05-05 | Active | |
| DOG FISH FILMS LTD. | — | BC0473949 | 1994-05-31 | Active | |
| DOG FIT WALKING AND SITTING | — | FM0509988 | 2009-08-31 | Active | |
| DOG GAS LTD. | — | BC0462475 | 1994-01-12 | Inactive | |
| DOG GONE ADVENTURE DOGWALKING | — | FM0365770 | 2004-02-18 | Active | |