| DOORLIGHT FILMS INC. | — | BC1219435 | 2019-08-13 | Inactive | |
| DOORLINK SYSTEMS INC. | — | A0095968 | 2015-07-09 | Inactive | |
| DOORLITE MANUFACTURING CO. LTD. | — | BC0718336 | 2005-03-04 | Inactive | |
| DOORLUXE DOOR AND GATE LTD. | — | BC1587896 | 2026-04-24 | Active | |
| DOORMAN AGENCIES LTD. | — | BC0104340 | 1971-11-23 | Inactive | |
| DOORMAN ENTRY DOOR REPAIR SERVICES LTD. | — | BC0546073 | 1997-07-04 | Inactive | |
| DOORMAN GARAGE DOOR SERVICES LTD. | — | BC0396831 | 1990-11-22 | Active | |
| DOORMAN HOLDINGS LTD. | — | BC0209693 | 1980-05-13 | Inactive | |
| DOORMASTER ELECTRIC | — | FM0212491 | 1997-01-09 | Active | |
| DOORMAT ENTERPRISES INC. | — | BC0960923 | 2013-01-25 | Active | |
| DOORMATE SERVICES INC. | — | BC1265804 | 2020-09-16 | Active | |
| DOORNBERG ENGINEERING LTD. | — | A0114956 | 2020-10-08 | Active | |
| DOORNEGAH SARZAMIN CONSULTING (DSC) INCORPORATED | — | BC1274193 | 2020-11-11 | Inactive | |
| DOORNEX FINISHING INC. | — | BC1570114 | 2025-12-29 | Active | |
| DOORNOMICS | — | FM0739470 | 2018-02-05 | Active | |
| DOORPA MANUFACTURING LTD. | — | BC0608595 | 2000-06-08 | Inactive | |
| DOORPOST LOGISTICS LTD. | — | BC1596586 | 2026-06-23 | Active | |
| DOORPRO GARAGE DOORS | — | FM1071793 | 2025-03-27 | Active | |
| DOORS & MORE MANUFACTURING LTD. | — | BC0838216 | 2008-10-28 | Active | |
| DOORS OF PERCEPTION WOODWORKS INC. | — | BC0994210 | 2014-02-19 | Inactive | |
| DOORS OPEN IN BC | — | FM0747029 | 2018-05-11 | Active | |
| DOORS SOLUTION | — | FM0645499 | 2014-10-24 | Active | |
| DOORS TO AWAKENING | — | FM0685984 | 2016-04-11 | Active | |
| DOORS WIDE OPEN COACHING SYSTEMS | — | FM0706660 | 2017-01-06 | Active | |
| DOORSEL FIN PRODUCTIONS | — | FM0285460 | 2000-08-02 | Active | |
| DOORSELFIN ADVENTURES | — | FM0351278 | 2003-07-11 | Active | |
| DOORSELFIN ADVENTURES INC. | — | BC0687509 | 2004-02-18 | Inactive | |
| DOORSET ENTERPRISES INC. | — | BC0698454 | 2004-06-25 | Inactive | |
| DOORSMART ENTRY SYSTEMS LIMITED | — | BC1047800 | 2015-09-01 | Inactive | |
| DOORSMITHBC | — | FM0707905 | 2017-01-19 | Inactive | |
| DOORSTAFF SERVICES | — | FM0223359 | 1997-07-08 | Active | |
| DOORSTASH DELIVERY INC. | — | BC1283453 | 2021-01-12 | Inactive | |
| DOORSTEP CLEANING SOLUTIONS INC. | — | BC1566479 | 2025-12-05 | Active | |
| DOORSTEP DENTURE | — | FM1022187 | 2023-07-25 | Active | |
| DOORSTEP DESIGNS | — | FM0837039 | 2021-03-11 | Active | |
| DOORSTEP DETAILERS | — | FM1016501 | 2023-05-12 | Active | |
| DOORSTEP DISTRIBUTION SERVICES INC. | — | BC0706680 | 2004-10-20 | Inactive | |
| DOORSTEP FINANCIAL CORP. | — | BC1369525 | 2022-06-28 | Active | |
| DOORSTEP GARDENS | — | FM0256027 | 1999-03-19 | Active | |
| DOORSTEP GROCERIES LTD. | — | BC0457723 | 1993-11-08 | Inactive | |
| DOORSTEP IMMIGRATION CONSULTANCY LIMITED | — | A0119522 | 2021-08-20 | Inactive | |
| DOORSTEP IMMIGRATION CONSULTANCY LIMITED | — | BC1390736 | 2022-12-09 | Active | |
| DOORSTEP REGISTERED MASSAGE THERAPY INC. | — | BC1602069 | 2026-07-30 | Active | |
| DOORSTEP SPA | — | FM1043407 | 2024-04-11 | Active | |
| DOORTECH INDUSTRIES LTD. | — | BC0689327 | 2004-03-10 | Active | |
| DOORTECH MFG. AND DISTRIBUTION LTD. | — | A0087750 | 2012-11-26 | Active | |
| DOORTECH SERVICES | — | FM0355005 | 2003-09-09 | Active | |
| DOORTEK CONST. & RENOVATIONS | — | FM0401243 | 2005-06-28 | Active | |
| DOORVIEW SYSTEMS CORP. | — | BC1603659 | 2026-08-12 | Active | |
| DOORWAY DEVELOPMENTS LTD. | — | BC0148397 | 1976-05-06 | Inactive | |
| DOORWAY DROP DELIVERY INC. | — | BC1269746 | 2020-10-14 | Inactive | |
| DOORWAY INDUSTRIES LTD. | — | BC0110214 | 1972-06-30 | Inactive | |
| DOORWAYS TO NATURE CRAFTS | — | FM0172421 | 1994-12-28 | Active | |
| DOORWAYS TO NATURE CRAFTS INC. | — | BC0524596 | 1996-08-02 | Inactive | |
| DOORWAYS TO THE UNKNOWN PRODUCTIONS INC. LES PRODUCTIONS PORTE SUR L'INCONNU INC. | — | A0034423 | 1991-10-11 | Inactive | |
| DOORZY CORP. | — | A0143215 | 2026-08-10 | Active | |
| DOOSAN BOBCAT CANADA LTD. | — | A0025630 | 1987-02-23 | Active | |
| DOOSAN INFRACORE PORTABLE POWER | — | FM0502384 | 2009-05-13 | Active | |
| DOOSAN PORTABLE POWER CANADA | — | FM0502382 | 2009-05-13 | Active | |
| DOOSDANE CAZBA LP CORP. | — | BC1274504 | 2020-11-13 | Active | |
| DOOSHI PET TREATS | — | FM0694784 | 2016-07-29 | Active | |
| DOOSIE ENTERPRISES | — | FM0492054 | 2008-12-15 | Active | |
| DOOST CLEANING SERVICES | — | FM0485569 | 2008-09-05 | Active | |
| DOOST ENTERPRISES LTD. | — | BC0769188 | 2006-09-18 | Active | |
| DOOSUN TRADING LTD. | — | BC0677924 | 2003-09-26 | Inactive | |
| DOOWORX | — | FM1082175 | 2025-07-22 | Active | |
| DOOZIE DROWSY SOFT TOYS INC. | — | A0114415 | 2020-08-21 | Inactive | |
| DOOZLE.COM | — | FM0826448 | 2020-12-07 | Active | |
| DOOZY DELIVERY CO. | — | FM0817795 | 2020-09-22 | Active | |
| DOOZY DIGITAL SOLUTIONS | — | FM1066700 | 2025-02-03 | Active | |
| DOOZYER LABS TECHNOLOGIES LTD. | — | BC1572659 | 2026-01-14 | Active | |
| DOOZYS SMASHED BURGERS | — | FM0848216 | 2021-06-08 | Active | |
| DOP MEDIA INC. | — | BC1593341 | 2026-06-01 | Active | |
| DOPA GROUP ENTERPRISES LIMITED | — | BC1132072 | 2017-08-29 | Inactive | |
| DOPA PETS LTD. | — | BC1449620 | 2023-11-16 | Active | |
| DOPA TECHNOLOGIES LTD. | — | BC1601006 | 2026-07-23 | Active | |
| DOPAMINE CLOTHING | — | FM1014530 | 2023-04-21 | Active | |
| DOPAMINE CONCEPTS LTD. | — | BC1562808 | 2025-11-12 | Active | |
| DOPAMINE DREAMERS COLLECTIVE INC. | — | BC1398670 | 2023-01-31 | Inactive | |
| DOPAMINE ENTERTAINMENT LTD. | — | BC1470726 | 2024-03-14 | Active | |
| DOPAMINE HITS PRINT ON DEMAND | — | FM1037216 | 2024-01-31 | Active | |
| DOPAMINE INTERACTIVE LIMITED | — | BC0977027 | 2013-08-03 | Inactive | |
| DOPAMINE STRENGTH CORPORATION | — | BC1252375 | 2020-06-05 | Active | |
| DOPAMINER CRAFTS | — | FM1058711 | 2024-10-21 | Active | |
| DOPARI FRAGRANCE INC. | — | BC1534315 | 2025-04-03 | Active | |
| DOPE BAKEHOUSE APEX INC. | — | BC1343563 | 2022-01-19 | Active | |
| DOPE BEYOND FASHION LTD. | — | BC1506948 | 2024-10-16 | Active | |
| DOPE BUDDHA VENTURES LTD. | — | A0120253 | 2021-10-15 | Inactive | |
| DOPE CANNABIS LTD. | — | BC1522647 | 2025-01-21 | Active | |
| DOPE CITY | — | FM1021912 | 2023-07-21 | Active | |
| DOPE COMMODITIES | — | FM0743665 | 2018-03-26 | Active | |
| DOPE DESIGN STUDIO INC. | — | BC0782010 | 2007-02-06 | Active | |
| DOPE EYE MEEN SCREEN PICTURES | — | FM0486396 | 2008-09-18 | Active | |
| DOPE FIENDS.COM BOOKSHOP | — | FM0289056 | 2000-10-06 | Active | |
| DOPE GIRL FRESH ATTIRE | — | FM0497911 | 2009-03-13 | Active | |
| DOPE INDUSTRIES | — | FM0789437 | 2019-10-08 | Active | |
| DOPE PORTERS | — | FM0600572 | 2013-02-08 | Active | |
| DOPE RECORDS | — | FM0709565 | 2017-02-07 | Active | |
| DOPE SOUNDS ENTERTAINMENT CO. | — | FM0421537 | 2006-04-07 | Active | |
| DOPE SUPPLEMENTS | — | FM0792608 | 2019-11-20 | Active | |
| DOPE TECHNOLOGIES | — | FM0305539 | 2001-07-17 | Active | |
| DOPE-ON-A-ROPE SOAPS LTD. | — | BC0581651 | 1999-03-16 | Inactive | |
| DOPEBEYOND | — | FM1053707 | 2024-08-16 | Active | |
| DOPEBOYZ APPAREL | — | FM0633103 | 2014-05-01 | Active | |
| DOPELANDS | — | FM0696555 | 2016-08-23 | Active | |
| DOPELY SYSTEMS INC. | — | BC1363966 | 2022-05-20 | Active | |
| DOPEST GHOST APPAREL | — | FM0380606 | 2004-09-16 | Active | |
| DOPEY'S ROBE SOUND CO. | — | FM0761320 | 2018-11-19 | Active | |
| DOPHINE ENTERPRISE INC. | — | BC0432161 | 1992-09-11 | Inactive | |
| DOPKO DESIGNS | — | FM0750002 | 2018-06-21 | Active | |
| DOPKO'S FRAMING & ARTS | — | FM0099350 | 1989-07-20 | Active | |
| DOPORTO INTERIOR DESIGN | — | FM0517855 | 2009-12-16 | Active | |
| DOPOULOS HOLDINGS LTD. | — | BC0636959 | 2001-11-07 | Inactive | |
| DOPOWER INC. | — | BC1073180 | 2016-04-24 | Inactive | |
| DOPP HOLDINGS LTD. | — | BC1430857 | 2023-07-31 | Active | |
| DOPPELGANG FASHION INC. | — | BC0728658 | 2005-06-29 | Inactive | |
| DOPPELMAYR CANADA IMMEUBLES LTEE | — | A0136163 | 2025-03-18 | Active | |
| DOPPELMAYR CANADA LTD. | — | A0047038 | 1998-04-02 | Active | |
| DOPPELMAYR INDUSTRIES LTD. | — | BC0290203 | 1985-03-25 | Inactive | |
| DOPPELMAYR LIFTS LTD. | — | BC0068427 | 1966-02-25 | Inactive | |
| DOPPELMAYR LIFTS LTD. | — | A0043471 | 1996-08-21 | Inactive | |
| DOPPENBERG ELECTRIC | — | FM0124803 | 1991-11-21 | Active | |
| DOPPENBERG ELECTRIC LTD. | — | BC0716662 | 2005-02-16 | Active | |
| DOPPIA PRESS | — | FM1004454 | 2022-11-21 | Active | |
| DOPPIO BOOKKEEPING INC. | — | BC1525288 | 2025-02-05 | Active | |
| DOPPIO COPYWRITING INC. | — | BC1274162 | 2020-11-11 | Inactive | |
| DOPPIO DOPPIO COFFEE | — | FM1045178 | 2024-05-01 | Active | |
| DOPPIO TECHNOLOGY GROUP INC. | — | BC1185704 | 2018-11-06 | Active | |
| DOPPIO ZERO PIZZA LTD. | — | BC1098853 | 2016-12-02 | Active | |
| DOPPLEGANGER HOLDINGS LTD. | — | BC0330489 | 1987-07-21 | Inactive | |
| DOPPLER ADVISORS INC. | — | BC1184633 | 2018-10-27 | Inactive | |
| DOPPLER AUDIOVISUAL | — | FM1019005 | 2023-06-11 | Active | |
| DOPPLER COMPUTER SUPERSTORES INC. | — | A0040499 | 1995-03-02 | Inactive | |
| DOPPLER COMPUTER SUPPLY | — | FM0102187 | 1989-11-03 | Active | |
| DOPPLER COMPUTER SUPPLY GROUP | — | FM0047862 | 1983-05-30 | Inactive | |
| DOPPLER DEVELOPMENTS LTD. | — | BC0292407 | 1985-05-13 | Inactive | |
| DOPPLER INDUSTRIES INCORPORATED | — | BC0505278 | 1995-10-01 | Inactive | |
| DOPPLER INDUSTRIES INCORPORATED | — | BC0310907 | 1986-06-19 | Inactive | |
| DOPPLERS TO DIAPERS LTD. | — | A0060615 | 2003-11-20 | Inactive | |
| DOPPLGRID TECHNOLOGIES INC. | — | BC1584734 | 2026-04-01 | Active | |
| DOPPLR MARKETING | — | FM0659161 | 2015-04-28 | Inactive | |
| DOPPLR MARKETING INC. | — | BC1044112 | 2015-07-28 | Inactive | |
| DOPUCO SYSTEMS LIMITED | — | BC1402264 | 2023-02-24 | Active | |
| DOPVISION PRODUCTION INC. | — | BC0749477 | 2006-02-21 | Active | |
| DOR - EM SALES INC. | — | BC0158571 | 1977-02-28 | Inactive | |
| DOR CHINN INVESTMENT LTD. | — | BC0476247 | 1994-07-08 | Inactive | |
| DOR CONSULTING & TRADE | — | FM0512072 | 2009-09-28 | Active | |
| DOR DEE OFFICE CLEANING | — | FM0029804 | 1979-01-29 | Active | |
| DOR DEL OFFICE CLEANING | — | FM0029803 | 1978-11-09 | Inactive | |
| DOR HAY ENTERPRISES LTD. | — | BC0125761 | 1974-03-06 | Active | |
| DOR MON ENTERPRISES INC. | — | BC0300889 | 1985-11-26 | Inactive | |
| DOR PARK HOLDINGS LTD. | — | BC0030483 | — | Inactive | |
| DOR VENTURES LTD. | — | BC0233470 | 1981-04-30 | Inactive | |
| DOR-CHEK-R INVESTIGATION LTD. | — | BC0115909 | 1973-02-19 | Inactive | |
| DOR-CRIS ENTERPRISES LTD. | — | BC0087214 | 1969-06-05 | Inactive | |
| DOR-EIN CONSULTANTS LTD. | — | BC0099057 | 1971-03-16 | Inactive | |
| DOR-EL FOODS LTD. | — | BC0135675 | 1975-03-18 | Inactive | |
| DOR-GUARD SYSTEMS | — | FM0234080 | 1998-02-11 | Active | |
| DOR-JAC ENTERPRISES LTD. | — | BC0235989 | 1981-06-02 | Inactive | |
| DOR-JAY INVESTMENTS INC. | — | BC0240814 | 1981-08-13 | Inactive | |
| DOR-JOHN HOLDINGS LTD. | — | BC0181007 | 1978-10-03 | Inactive | |
| DOR-KAY HOLDINGS LTD. | — | BC0055182 | 1962-12-05 | Inactive | |
| DOR-LEN DISTRIBUTORS LTD. | — | BC0056671 | 1963-05-14 | Inactive | |
| DOR-MAX MATTRESS COMPANY LTD. | — | BC1032813 | 2015-04-08 | Inactive | |
| DOR-MAX MATTRESS COMPANY LTD. | — | C0509368 | 1995-12-04 | Inactive | |
| DOR-MIRE CONSTRUCTION INDUSTRIES LTD. | — | BC0073769 | — | Inactive | |
| DOR-MIRE DISTRIBUTORS LTD. | — | BC0073774 | — | Inactive | |
| DOR-RAN HOLDINGS LTD. | — | BC0136107 | 1975-04-01 | Inactive | |
| DOR-RAY AUTOMOTIVE LTD. | — | BC0182269 | 1978-11-02 | Inactive | |
| DOR-ROY HOLDINGS LTD. | — | BC0381045 | 1990-01-31 | Inactive | |
| DOR-SELL HOLDINGS LTD. | — | BC0455900 | 1993-10-08 | Inactive | |
| DOR-TEC SECURITY | — | FM0202315 | 1996-07-02 | Active | |
| DOR-TEC SECURITY LTD. | — | BC0551561 | 1997-10-06 | Active | |
| DORA ANDERSON RID INC. | — | BC1027284 | 2015-02-11 | Active | |
| DORA ANIMAL PROTECTION FOUNDATION | — | S0071267 | 2019-05-09 | Active | |
| DORA BEAUTY | — | FM0384586 | 2004-11-16 | Active | |
| DORA BEAUTY CENTRE | — | FM0641148 | 2014-08-21 | Active | |
| DORA BERGEN PERSONAL REAL ESTATE CORPORATION | — | BC0988051 | 2013-12-12 | Inactive | |
| DORA BERGEN PERSONAL REAL ESTATE CORPORATION | — | BC1532206 | 2025-03-20 | Active | |
| DORA BROAD HOLDINGS LTD. | — | BC0237608 | 1981-06-19 | Inactive | |
| DORA CONSULTING SERVICES | — | FM0396912 | 2005-05-05 | Active | |
| DORA CONTRACTING LTD. | — | BC0070856 | 1966-08-24 | Inactive | |
| DORA CREEK CONTRACTING LTD. | — | BC0520902 | 1996-05-29 | Active | |
| DORA CRONER TOURS & CRUISES | — | FM0316318 | 2002-01-30 | Active | |
| DORA DANN LTD. | — | BC0055275 | 1962-12-14 | Inactive | |
| DORA DEVELOPMENTS LTD. | — | BC0082684 | 1968-11-04 | Inactive | |
| DORA DRYWALL LTD. | — | BC0390020 | 1990-07-05 | Inactive | |
| DORA DRYWALL LTD. | — | BC0571319 | 1998-09-08 | Inactive | |
| DORA ENTERPRISES LTD. | — | BC1070799 | 2016-04-05 | Active | |
| DORA ENTERPRISES LTD. | — | BC0292088 | 1985-05-06 | Inactive | |
| DORA EXPLORATIONS LTD. (N.P.L.) | — | BC0070868 | 1966-08-25 | Inactive | |
| DORA FASHIONS INC. | — | BC0697747 | 2004-06-17 | Inactive | |
| DORA FLORIST | — | FM0096256 | 1989-04-05 | Active | |
| DORA FLORIST LTD. | — | BC0372130 | 1989-09-06 | Inactive | |
| DORA HAIR IMAGE LTD. | — | BC0475139 | 1994-06-17 | Inactive | |
| DORA HOLDING LTD. | — | BC0902647 | 2011-02-10 | Inactive | |
| DORA HOLDINGS LTD. | — | BC0106772 | 1972-02-23 | Inactive | |
| DORA J. PAINTING LTD. | — | BC0855067 | 2009-06-23 | Inactive | |
| DORA KAMAU WELLNESS | — | FM0823154 | 2020-11-09 | Active | |
| DORA LAINE ENTERPRISES LTD. | — | BC0120161 | 1973-07-13 | Inactive | |