| DIABLO INVESTMENTS INC. | — | BC0406837 | 1991-05-30 | Active | |
| DIABLO MANAGEMENT LTD. | — | BC0198531 | 1979-10-17 | Inactive | |
| DIABLO OIL & GAS LTD. | — | A0035834 | 1992-08-04 | Inactive | |
| DIABLO PLACER LTD. | — | BC0212749 | 1980-07-11 | Inactive | |
| DIABLO PROPERTIES INC. | — | BC0225868 | 1981-02-02 | Inactive | |
| DIABLO RESEARCH COMPANY, LLC | — | FM0225486 | 1997-08-18 | Active | |
| DIABLO ROJO RESTORATIONS | — | FM0332358 | 2002-10-04 | Active | |
| DIABLO SUNRISE | — | FM0791968 | 2019-11-12 | Active | |
| DIABLO SUNRISE CATERING LTD. | — | BC1321378 | 2021-08-25 | Active | |
| DIABLO SYSTEMS INCORPORATED | — | A0028247 | 1988-09-12 | Inactive | |
| DIABLO TIMBER INC. | — | BC0605914 | 2000-04-26 | Inactive | |
| DIABLO TOOLS CANADA, INC. | — | A0057512 | 2002-08-21 | Active | |
| DIABLO TRADING INC. | — | BC0744333 | 2005-12-28 | Inactive | |
| DIABLO TRANSPORT | — | FM0424481 | 2006-05-15 | Active | |
| DIABLO WELDING & FABRICATING | — | FM0775389 | 2019-04-29 | Active | |
| DIABLO'S | — | FM0702352 | 2016-11-03 | Active | |
| DIABLO'S SCISSOR ART | — | FM0684567 | 2016-03-23 | Active | |
| DIABLOS DETAIL | — | FM0667574 | 2015-08-14 | Active | |
| DIABLOS INSPECTIONS INC. | — | BC1331235 | 2021-11-01 | Inactive | |
| DIABO DEVELOPMENTS LTD. | — | BC0129666 | 1974-07-08 | Inactive | |
| DIABOLICA WINES | — | FM0606447 | 2013-04-29 | Active | |
| DIABOLICA WINES | — | FM0606449 | 2013-04-29 | Inactive | |
| DIABOLICAL DUNGEONEER 3D PRINTING | — | FM0802127 | 2020-03-27 | Active | |
| DIABOLIKAL INK PARLOUR | — | FM0732037 | 2017-11-01 | Active | |
| DIABOLIKAL INK TATTOO PARLOUR INC. | — | BC1237515 | 2020-01-16 | Active | |
| DIABOLITO ORGANIC HOT PEPPERS | — | FM0393760 | 2005-03-29 | Active | |
| DIABRO ARCADES INC. | — | BC1359272 | 2022-04-22 | Active | |
| DIACAN VENTURE CORPORATION | — | BC0473136 | 1994-05-18 | Inactive | |
| DIACARBON BIOFUELS INC. | — | BC0965157 | 2013-03-15 | Inactive | |
| DIACARBON ENERGY INC. | — | BC0863906 | 2009-10-15 | Inactive | |
| DIACARBON ENERGY VCC INC. | — | BC0968608 | 2013-04-26 | Inactive | |
| DIACARBON ENVIRONMENTAL INC. | — | BC0965161 | 2013-03-15 | Inactive | |
| DIACARBON TECHNOLOGIES INC. | — | BC0965159 | 2013-03-15 | Inactive | |
| DIACCO HOLDINGS LTD. | — | BC0900600 | 2011-01-17 | Inactive | |
| DIACHEM CHIMIQUE INCORPOREE | — | BC0182341 | 1978-11-03 | Inactive | |
| DIACHEM ENGINEERING LTD. | — | BC0318125 | 1986-11-28 | Inactive | |
| DIACHEM ENTERPRISES INC. | — | BC0135995 | 1975-03-26 | Inactive | |
| DIACHEM INDUSTRIES LTD. | — | BC0172900 | 1978-03-28 | Inactive | |
| DIACHEM INDUSTRIES LTD. | — | BC0324401 | 1987-04-01 | Inactive | |
| DIACHEM OF B. C. LTD. | — | BC0093811 | 1970-05-25 | Inactive | |
| DIACHEM POLYMERS LTD. | — | BC1045426 | 2015-08-11 | Active | |
| DIACHEM THUNDER BAY LTD. | — | C0486288 | — | Inactive | |
| DIACHI INVESTMENT CORPORATION | — | BC0437275 | 1992-12-11 | Inactive | |
| DIACHUK CONTRACTING | — | FM0322360 | 2002-05-02 | Active | |
| DIACHUK ENTERPRISES LTD. | — | BC0159774 | 1977-03-29 | Inactive | |
| DIACHUK HOLDINGS | — | FM0069542 | 1986-05-14 | Active | |
| DIACHUK HOLDINGS LTD. | — | BC0370738 | 1989-08-10 | Inactive | |
| DIACHUK TRANSPORT | — | FM0032765 | 1980-01-22 | Active | |
| DIACK BUILDERS LTD. | — | BC0208000 | 1980-04-11 | Inactive | |
| DIACK'S EQUIPMENT REBUILDERS LTD. | — | BC0148086 | 1976-04-28 | Inactive | |
| DIACNIK'S ROLLERS RINK LTD. | — | BC0360347 | 1989-02-22 | Inactive | |
| DIACO DECOR INC. | — | BC1353349 | 2022-03-16 | Active | |
| DIACO DISTRIBUTORS | — | FM0159098 | 1994-04-21 | Active | |
| DIACO HOLDINGS LTD. | — | BC1087776 | 2016-08-29 | Active | |
| DIACO HOME CONSTRUCTING INC. | — | BC1224079 | 2019-09-20 | Inactive | |
| DIACO MECHANICAL LTD. | — | BC0588340 | 1999-07-06 | Active | |
| DIACO TELECOM TECH LTD. | — | BC1130029 | 2017-08-11 | Inactive | |
| DIACO TRADING ENTERPRISE CORP. | — | BC0646968 | 2002-05-03 | Inactive | |
| DIACON TECHNOLOGIES LTD. | — | BC0513426 | 1996-02-09 | Active | |
| DIACONIA ENTERPRISES INCORPORATED | — | BC0540269 | 1997-04-08 | Inactive | |
| DIACONOVA TECHNOLOGIES INC. | — | BC1601437 | 2026-07-27 | Active | |
| DIACORE CANADA LTD. | — | BC0835818 | 2008-09-25 | Active | |
| DIACOSMETIC | — | FM1036921 | 2024-01-29 | Active | |
| DIACZUK-MOHR STAINED GLASS STUDIO | — | FM0079986 | 1987-07-17 | Inactive | |
| DIAD DEVELOPMENT CORP. | — | BC0147972 | 1976-04-26 | Inactive | |
| DIAD FINE ART IMAGING TRANSFER LTD. | — | BC0554112 | 1997-11-13 | Inactive | |
| DIAD IMAGING SYSTEMS LTD. | — | BC0523886 | 1996-07-18 | Inactive | |
| DIAD NETMANAGER | — | FM0232683 | 1998-01-21 | Active | |
| DIAD OPTICAL IMAGING TRANSFER LTD. | — | BC0554107 | 1997-11-13 | Inactive | |
| DIADAN INVESTMENTS LTD. | — | BC1248386 | 2020-04-27 | Active | |
| DIADEM BEAUTY | — | FM0725623 | 2017-08-10 | Active | |
| DIADEM BUILDINGS INC. | — | BC1167640 | 2018-06-09 | Active | |
| DIADEM CAPITAL CORP. | — | BC1293288 | 2021-03-09 | Active | |
| DIADEM COMMUNICATIONS | — | FM0372329 | 2004-05-13 | Active | |
| DIADEM COMMUNICATIONS | — | FM0780265 | 2019-06-18 | Active | |
| DIADEM CONSTRUCTION | — | FM0510517 | 2009-09-05 | Active | |
| DIADEM ELECTRICAL INSTALLATIONS LTD. | — | BC0200706 | 1979-11-28 | Inactive | |
| DIADEM ENTERPRISE CO. LTD. | — | BC0556526 | 1997-12-29 | Inactive | |
| DIADEM ENTERPRISES | — | FM0420374 | 2006-03-25 | Active | |
| DIADEM ENTERPRISES LTD. | — | BC0243082 | 1981-09-29 | Inactive | |
| DIADEM FORESTRY | — | FM0293665 | 2001-01-08 | Active | |
| DIADEM GOLD MINING AND DEVELOPMENT COMPANY | — | FOR0000414 | — | Inactive | |
| DIADEM INTERNATIONAL HEALTHY&THERAPY CORP. | — | BC0595283 | 1999-11-08 | Inactive | |
| DIADEM LEDGE GOLD MINES LTD. | — | BC0014553 | — | Inactive | |
| DIADEM MEDIA GROUP LTD. | — | BC1326235 | 2021-09-28 | Active | |
| DIADEM PROMOTIONAL IMPRINTERS | — | FM0346467 | 2003-04-30 | Active | |
| DIADEM RESEARCH LTD. | — | BC0482777 | 1994-10-21 | Inactive | |
| DIADEM SALES LTD. | — | BC0224532 | 1981-01-15 | Inactive | |
| DIADEMA HOLDING LTD. | — | BC0979997 | 2013-09-10 | Inactive | |
| DIADEMAR ENTERPRISE | — | FM0097988 | 1989-06-01 | Active | |
| DIADENT GROUP INTERNATIONAL INC. | — | BC0429454 | 1992-07-24 | Active | |
| DIADO INTERNATIONAL CONSULTING | — | FM0485078 | 2008-08-27 | Active | |
| DIADON DEVELOPMENTS INCORPORATED | — | BC0493858 | 1995-03-29 | Inactive | |
| DIAEM RESOURCES LTD. | — | BC0311346 | 1986-06-30 | Inactive | |
| DIAFA FOOD & BEVERAGE MANAGEMENT LTD. | — | A0031719 | 1990-06-28 | Inactive | |
| DIAFANI ENTERPRISES LTD. | — | BC1288438 | 2021-02-10 | Inactive | |
| DIAG GRACE CLEANING | — | FM0654890 | 2015-03-06 | Active | |
| DIAG PARTNERS CANADA, INC. | — | A0114353 | 2020-08-18 | Active | |
| DIAGDIESEL TRUCK REPAIR LTD. | — | BC1543404 | 2025-06-10 | Active | |
| DIAGEM INTERNATIONAL RESOURCE CORP. | — | BC0104137 | 1971-11-15 | Inactive | |
| DIAGEM RESOURCES CORPORATION | — | A0041874 | 1995-11-03 | Inactive | |
| DIAGEMS ENTERPRISES | — | FM0041923 | 1982-03-29 | Active | |
| DIAGEN AI INC. | — | BC1311661 | 2021-06-22 | Active | |
| DIAGEO CANADA INC. | — | A0055375 | 2001-09-21 | Inactive | |
| DIAGEO CANADA INC. | — | A0065071 | 2005-05-17 | Inactive | |
| DIAGEO CANADA INC. | — | A0106680 | 2018-07-24 | Active | |
| DIAGEO CANADA INC. | — | A0087928 | 2012-12-18 | Inactive | |
| DIAGNAMED HOLDINGS CORP. | — | BC1300648 | 2021-04-16 | Active | |
| DIAGNOCHIP | — | FM0874571 | 2022-03-17 | Active | |
| DIAGNOCHIP TECHNOLOGIES INC. | — | BC1333357 | 2021-11-16 | Inactive | |
| DIAGNOSE RESOURCE TECHNOLOGY COMPANY | — | FM0463401 | 2007-10-31 | Inactive | |
| DIAGNOSE SOFTWARE INC. | — | BC0977175 | 2013-08-07 | Inactive | |
| DIAGNOSIS DIRTY | — | FM0556491 | 2011-05-09 | Active | |
| DIAGNOSIS DIRTY | — | FM0523388 | 2010-03-02 | Inactive | |
| DIAGNOSTEAR TECHNOLOGIES INC. | — | BC1415626 | 2023-05-10 | Active | |
| DIAGNOSTECH MANAGEMENT INC. | — | A0041165 | 1995-06-28 | Inactive | |
| DIAGNOSTIC HEARING AND BALANCE CENTRE | — | FM0655114 | 2015-03-09 | Active | |
| DIAGNOSTICARE ACQUISITION LIMITED | — | C0640690 | 2001-01-17 | Inactive | |
| DIAGNOTECH PRO TRUCK AND TRAILER REPAIR LTD. | — | BC1501216 | 2024-09-11 | Active | |
| DIAGNYX TECHNOLOGIES INC. | — | BC1530776 | 2025-03-11 | Active | |
| DIAGO PROPERTIES LTD. | — | BC0944500 | 2012-06-28 | Inactive | |
| DIAGOLD CONSULTING MANAGEMENT LTD. | — | BC0516827 | 1996-04-04 | Inactive | |
| DIAGOLD JEWELERS LTD. | — | BC0156239 | 1976-12-24 | Inactive | |
| DIAGONAL ART CONTRACTING | — | FM0413992 | 2006-01-06 | Active | |
| DIAGONAL LIVING INC. | — | A0133044 | 2024-07-08 | Active | |
| DIAGONAL MARKET GROUP, INC. | — | BC0486068 | 1994-12-14 | Inactive | |
| DIAGONAL OIL AND GAS, INC. | — | A0014541 | 1978-11-09 | Inactive | |
| DIAGONALLEY TAVERN INC. | — | BC1434825 | 2023-08-22 | Active | |
| DIAGRAM HOLDING ULC | — | BC1096604 | 2016-11-15 | Active | |
| DIAGRAMICS SOFTWARE CORPORATION | — | BC0708811 | 2004-11-17 | Active | |
| DIAGRAMMATIC ENGLISH INSTITUTE | — | FM0723144 | 2017-07-07 | Active | |
| DIAJAM HOLDINGS LTD. | — | BC0253199 | 1982-07-12 | Inactive | |
| DIAJHEA IMMIGRATION CONSULTANCY INC. | — | A0131169 | 2024-02-15 | Active | |
| DIAJON ENTERPRISES LTD. | — | BC0101769 | 1971-07-23 | Inactive | |
| DIAK TECHNOLOGIES | — | FM0136663 | 1992-11-10 | Active | |
| DIAKIW CONSTRUCTION | — | FM0530094 | 2010-05-25 | Active | |
| DIAKO DESIGN STUDIO | — | FM1024005 | 2023-08-22 | Active | |
| DIAKO DESIGN STUDIO INC. | — | BC1575693 | 2026-02-02 | Active | |
| DIAKO PRODUCTION ASSOCIATION | — | S0072869 | 2020-03-11 | Active | |
| DIAKONIA ENTERPRISE (CANADA) LTD. | — | BC0346421 | 1988-06-02 | Inactive | |
| DIAKONIA ENTERPRISES LTD. | — | BC0164859 | 1977-08-17 | Inactive | |
| DIAKONIA FAMILY CARE SERVICES LIMITED | — | BC1474713 | 2024-04-08 | Active | |
| DIAKONIA GLOBAL RESORT SOCIETY | — | S0076552 | 2022-05-24 | Active | |
| DIAKONIA HUMAN AND EDUCATIONAL SERVICES INC. | — | BC0681690 | 2003-11-21 | Inactive | |
| DIAKOW HOME INSPECTIONS | — | FM0628365 | 2014-03-04 | Active | |
| DIAL & SAVE COMMUNICATIONS INC. | — | BC0471352 | 1994-04-21 | Inactive | |
| DIAL & SAVE PLUS COMMUNICATIONS INC. | — | BC0436807 | 1992-12-02 | Inactive | |
| DIAL 'N' ORDER DELIVERY | — | FM0397542 | 2005-05-12 | Active | |
| DIAL - A - SALMON SERVICES LTD. | — | BC0609619 | 2000-06-23 | Inactive | |
| DIAL 9 CREATIVE | — | FM0393547 | 2005-03-24 | Active | |
| DIAL A BABY NEED SUPPLIES & SERVICES LTD. | — | BC0555644 | 1997-12-08 | Inactive | |
| DIAL A BOTTLE | — | FM0866133 | 2021-12-29 | Active | |
| DIAL A DAUGHTER | — | FM0721105 | 2017-06-12 | Active | |
| DIAL A DD VICTORIA DESIGNATED DRIVER SERVICE | — | FM0794616 | 2019-12-16 | Active | |
| DIAL A DEEJAY (D.J.) | — | FM0296220 | 2001-02-23 | Active | |
| DIAL A DELIVERY | — | FM0364827 | 2004-02-06 | Inactive | |
| DIAL A DELIVERY | — | FM0414101 | 2006-01-09 | Active | |
| DIAL A DELIVERY | — | FM0257197 | 1999-04-14 | Active | |
| DIAL A DELIVERY SECHELT | — | FM0687392 | 2016-04-25 | Active | |
| DIAL A DELIVERY SECHELT | — | FM0601723 | 2013-02-25 | Active | |
| DIAL A DESIGNATED DRIVER D.A.D.D. (2000) SOCIETY | — | S0041672 | 2000-06-08 | Inactive | |
| DIAL A DESIGNATED DRIVER D.A.D.D. SOCIETY | — | S0038357 | 1998-05-21 | Inactive | |
| DIAL A DRINK DISTRIBUTORS | — | FM0268707 | 1999-10-21 | Active | |
| DIAL A DRIVER CHAUFFER SERVICES | — | FM0045980 | 1983-02-11 | Active | |
| DIAL A DRIVER SERVICES LTD. | — | BC0895852 | 2010-11-19 | Inactive | |
| DIAL A DRIVER VICTORIA DESIGNATED DRIVER SERVICE | — | FM0738117 | 2018-01-22 | Active | |
| DIAL A FIRELOG | — | FM0211672 | 1996-12-17 | Active | |
| DIAL A FRIEND SERVICES | — | FM0103488 | 1989-12-22 | Active | |
| DIAL A HOME DELIVERY | — | FM0205802 | 1996-09-10 | Active | |
| DIAL A JOKE SERVICES | — | FM0035692 | 1980-11-19 | Active | |
| DIAL A LETTER BUSINESS SERVICES | — | FM0019553 | 1975-12-05 | Active | |
| DIAL A LETTER BUSINESS SERVICES | — | FM0019351 | 1975-11-14 | Active | |
| DIAL A MEAL FOOD DELIVERY SERVICE INC. | — | BC0454737 | 1993-09-17 | Inactive | |
| DIAL A MOP SERVICES LTD. | — | BC0270128 | 1983-10-19 | Inactive | |
| DIAL A MOVIE HOME VIDEO SERVICE LTD. | — | BC0255967 | 1982-10-21 | Inactive | |
| DIAL A PARCEL AND SERVICE | — | FM0450666 | 2007-05-11 | Active | |
| DIAL A PHONE RECONNECTION SERVICES INC. | — | A0057858 | 2002-10-15 | Inactive | |
| DIAL A PHONE SERVICES | — | FM0297605 | 2001-03-13 | Active | |
| DIAL A PHONE SERVICES INC. | — | BC0628518 | 2001-05-30 | Inactive | |
| DIAL A PLANT SERVICES | — | FM0084564 | 1988-01-28 | Active | |
| DIAL A SMILE SERVICES | — | FM0035694 | 1980-11-19 | Active | |
| DIAL A STYLE BARBERS | — | FM0683403 | 2016-03-10 | Active | |
| DIAL A STYLE BARBERS | — | FM0646762 | 2014-11-13 | Active | |
| DIAL A TECH ELECTRONICS | — | FM0200834 | 1996-06-05 | Active | |
| DIAL A TREE CHRISTMAS TREE SALES | — | FM0051300 | 1984-01-09 | Active | |
| DIAL A TUTOR, DIAL A TEACHER INC. | — | BC0480934 | 1994-09-22 | Inactive | |
| DIAL A TYPIST SERVICES | — | FM0033761 | 1980-05-02 | Active | |
| DIAL AI | — | FM1072194 | 2025-04-02 | Active | |
| DIAL AN AD ENTERPRISES INC. | — | BC0127045 | 1974-12-20 | Inactive | |
| DIAL AN AD SALES INC. | — | BC0133600 | 1974-12-20 | Inactive | |
| DIAL AN ANGEL PERSONAL CARE SERVICES INC. | — | BC0573327 | 1998-10-16 | Inactive | |
| DIAL ANSWERING SERVICE LTD. | — | BC0249176 | 1982-02-26 | Inactive | |
| DIAL AUTO BODY LTD. | — | BC0050497 | — | Inactive | |
| DIAL BOOK-KEEPING | — | FM0853646 | 2021-07-22 | Active | |
| DIAL CANADA | — | FM0436290 | 2006-10-25 | Inactive | |
| DIAL COMMUNICATIONS LTD. | — | BC0270995 | 1983-11-21 | Inactive | |
| DIAL COMPUTER SERVICES LTD. | — | BC0341900 | 1988-03-09 | Inactive | |
| DIAL CONSTRUCTION LTD. | — | BC0998387 | 2014-04-02 | Inactive | |
| DIAL CONTRACTING LTD. | — | BC0098250 | 1971-02-08 | Inactive | |
| DIAL DATA SERVICES | — | FM0023131 | 1977-03-25 | Active | |