| MEDI-SCIENCE NATURAL | — | FM0571437 | 2011-12-02 | Active | |
| MEDI-SCRIBE MEDICAL TRANSCRIPTION | — | FM0092015 | 1988-11-08 | Active | |
| MEDI-SEARCH MEDICAL INFORMATION REPORTS | — | FM0346486 | 2003-05-01 | Active | |
| MEDI-TECH SERVICES LTD. | — | BC0696919 | 2004-06-07 | Inactive | |
| MEDI-TEMP TECHNOLOGY INC. | — | BC0443760 | 1993-03-29 | Inactive | |
| MEDI-TEMP TECHNOLOGY INTERNATIONAL INC. | — | BC0485381 | 1994-12-02 | Inactive | |
| MEDI-TEMP-SERVICES | — | FM0797131 | 2020-01-22 | Active | |
| MEDI-TEMPS INC. | — | A0032061 | 1990-08-29 | Inactive | |
| MEDI-TRACE HEALTH CORPORATION | — | BC1493438 | 2024-07-23 | Active | |
| MEDI-TRAN BILLING SERVICES LTD. | — | BC0355916 | 1988-12-06 | Active | |
| MEDI-TRAN SERVICES (1993) LTD. | — | BC0448029 | 1993-06-01 | Active | |
| MEDI-TRAN SERVICES LTD. | — | BC0279290 | 1984-06-13 | Inactive | |
| MEDI-TRAN SERVICES LTD. | — | BC0323486 | 1987-03-17 | Inactive | |
| MEDI-VAN CANADA INC. | — | A0057876 | 2002-10-17 | Active | |
| MEDI-WAY CANADA CONSULTING | — | FM0578296 | 2012-03-09 | Active | |
| MEDI-WAY PHARMA | — | FM0753410 | 2018-08-02 | Active | |
| MEDI-WEST AGENCIES INC. | — | BC0450550 | 1993-07-08 | Inactive | |
| MEDI-WEST PHARMACEUTICAL PROMOTIONS | — | FM0128882 | 1992-04-03 | Active | |
| MEDIA 32 | — | FM0358450 | 2003-10-29 | Active | |
| MEDIA 360 DESIGN | — | FM0487042 | 2008-09-26 | Active | |
| MEDIA 4 U DESIGN INC. | — | BC0730288 | 2005-07-18 | Active | |
| MEDIA 5317 MARKETING INC. | — | BC1235951 | 2020-01-02 | Inactive | |
| MEDIA ACCESS NETWORKS (CANADA) INC. | — | BC0690200 | 2004-03-19 | Inactive | |
| MEDIA ANALYTICA PRODUCTION INC. | — | BC1198955 | 2019-02-26 | Active | |
| MEDIA ANALYTICS GROUP | — | FM0611430 | 2013-07-04 | Active | |
| MEDIA AND MORE STORE | — | FM0261153 | 1999-06-17 | Active | |
| MEDIA ARTS ALLIANCE OF THE PACIFIC SOCIETY | — | S0066023 | 2016-09-20 | Active | |
| MEDIA ARTS SOCIETY OF SQUAMISH | — | S0055388 | 2009-07-13 | Inactive | |
| MEDIA BEAST | — | FM0737374 | 2018-01-12 | Active | |
| MEDIA BEYOND TERRITORY | — | FM0519320 | 2010-01-12 | Active | |
| MEDIA BLISTERING INC. / BLISTERING MEDIA INC. | — | A0128102 | 2023-06-13 | Active | |
| MEDIA BOOM FILM STUDIOS | — | FM0790995 | 2019-10-29 | Active | |
| MEDIA BOT MARKETING INC. | — | BC0945216 | 2012-07-09 | Inactive | |
| MEDIA BUTTON COMMUNICATIONS INC. | — | A0068463 | 2006-07-11 | Inactive | |
| MEDIA BUTTON COMMUNICATIONS INC. | — | C1232717 | 2019-12-06 | Active | |
| MEDIA BUYING SERVICES ULC | — | A0049866 | 1999-07-08 | Inactive | |
| MEDIA BUZZ PICTURES | — | FM0639836 | 2014-07-31 | Active | |
| MEDIA BY CARSON | — | FM1035537 | 2024-01-16 | Active | |
| MEDIA CANNIBALS ENTERPRISES INC. | — | BC0462509 | 1994-01-13 | Inactive | |
| MEDIA CAR SERVICES INC. | — | BC0623262 | 2001-03-02 | Inactive | |
| MEDIA CAST WEB SERVICES | — | FM0230171 | 1997-11-19 | Active | |
| MEDIA CATERERS INC. | — | BC0200316 | 1979-11-20 | Inactive | |
| MEDIA CHANNEL DARSHAN PRODUCTION LTD. | — | BC1301231 | 2021-04-21 | Inactive | |
| MEDIA CIRCUS INC. | — | BC0587789 | 1999-06-25 | Inactive | |
| MEDIA CIRCUS PRODUCTION CORP. | — | BC0854549 | 2009-06-16 | Active | |
| MEDIA CLAUS ENTERTAINMENT INC. | — | BC1013276 | 2014-09-11 | Inactive | |
| MEDIA CLUB ENTERPRISES INC. | — | BC0987753 | 2013-12-09 | Active | |
| MEDIA COACH INCORPORATED | — | BC0596205 | 1999-11-23 | Active | |
| MEDIA COLLATERAL LTD. | — | BC0619614 | 2000-12-20 | Inactive | |
| MEDIA COMPANY CANADA LIMITED | — | A0049812 | 1999-06-29 | Inactive | |
| MEDIA COMPASS | — | FM0646065 | 2014-10-31 | Active | |
| MEDIA CONNECTIONS MARKETING | — | FM0273705 | 2000-01-27 | Active | |
| MEDIA CONSULTING SERVICES LTD. | — | BC0214769 | 1980-08-19 | Inactive | |
| MEDIA COOLER INNOVATIONS INC. | — | BC0855595 | 2009-06-29 | Inactive | |
| MEDIA CPC NETWORK LTD. | — | BC0959846 | 2013-01-11 | Active | |
| MEDIA CRAFTSMAN | — | FM0614923 | 2013-08-21 | Active | |
| MEDIA CRATE DESIGN & DEVELOPMENT | — | FM0435631 | 2006-10-16 | Active | |
| MEDIA DELTA MARKETING SERVICES | — | FM0413666 | 2006-01-03 | Active | |
| MEDIA DESIGN | — | FM0098787 | 1989-06-29 | Active | |
| MEDIA DIGITAL SOLUTIONS | — | FM0280053 | 2000-05-09 | Active | |
| MEDIA DIRECTORS' & COMMUNICATORS' ASSOCIATION OF BRITISH COLUMBIA | — | S0056351 | 2010-02-19 | Inactive | |
| MEDIA DUPLICATION CORP. | — | A0045132 | 1997-05-28 | Inactive | |
| MEDIA EAST & ORIENT ADVERTISING LTD. | — | BC0435626 | 1992-11-12 | Inactive | |
| MEDIA EDGE | — | FM0669272 | 2015-09-04 | Active | |
| MEDIA EDGE COMMUNICATIONS INC. | — | A0037520 | 1993-07-28 | Inactive | |
| MEDIA EDGE COMMUNICATIONS INC. | — | A0046367 | 1997-12-29 | Inactive | |
| MEDIA ELECTRONICS (MARKETING) CORP. | — | BC0179712 | 1978-08-31 | Inactive | |
| MEDIA ELECTRONICS LIMITED | — | BC0160449 | 1977-04-18 | Inactive | |
| MEDIA ELEMENT ADVERTISING | — | FM0398890 | 2005-05-31 | Active | |
| MEDIA ELEVATION MARKETING INC. | — | BC0663384 | 2003-02-05 | Active | |
| MEDIA ESCORTS | — | FM0052425 | 1984-02-29 | Active | |
| MEDIA ESTEEM BUSINESS SERVICES | — | FM0510905 | 2009-09-11 | Active | |
| MEDIA EXPERT ELECTRONICS INC. | — | BC0669419 | 2003-05-12 | Inactive | |
| MEDIA EXPERTS | — | FM0674652 | 2015-11-16 | Active | |
| MEDIA EXPERTS IPG INC. | — | A0097123 | 2015-11-13 | Active | |
| MEDIA EXPERTS M.H.S. INC. | — | A0070096 | 2007-02-01 | Inactive | |
| MEDIA EXPERTS M.H.S. INC. | — | A0097209 | 2015-11-23 | Inactive | |
| MEDIA EXPOSURE SERVICES | — | FM0310092 | 2001-10-11 | Active | |
| MEDIA FACTORY ANIMATION AND VFX FILM STUDIOS INC. | — | BC0964117 | 2013-03-05 | Active | |
| MEDIA FACTORY CREATIVE SERVICES | — | FM0220947 | 1997-06-05 | Active | |
| MEDIA FARMS PRODUCTIONS | — | FM0284935 | 2000-07-21 | Active | |
| MEDIA FIRE SERVICES | — | FM0236075 | 1998-03-20 | Active | |
| MEDIA FLOW CONSULTING INC. | — | BC1439128 | 2023-09-14 | Active | |
| MEDIA FOR GOOD PRODUCTIONS | — | FM0860939 | 2021-10-21 | Active | |
| MEDIA FOR GOOD PRODUCTIONS LTD. | — | BC1431906 | 2023-08-05 | Active | |
| MEDIA FORCE DISTRIBUTION | — | FM0332048 | 2002-10-02 | Active | |
| MEDIA FORCE DISTRIBUTION | — | FM0229038 | 1997-10-28 | Inactive | |
| MEDIA FORCE MESSENGER | — | FM0356498 | 2003-10-01 | Active | |
| MEDIA FORCE PRODUCTIONS | — | FM0242607 | 1998-06-30 | Active | |
| MEDIA FORCE TECHNOLOGY LTD. | — | BC1423634 | 2023-06-23 | Active | |
| MEDIA FORGE STUDIOS | — | FM1014821 | 2023-04-25 | Active | |
| MEDIA FREE MARKETING LTD. | — | BC0483967 | 1994-11-09 | Inactive | |
| MEDIA FX GROUP DIGITAL COMMUNICATIONS INC. | — | BC0834647 | 2008-09-10 | Inactive | |
| MEDIA GAMES INC. | — | BC0602760 | 2000-03-07 | Inactive | |
| MEDIA GENESIS | — | FM0469214 | 2008-01-30 | Active | |
| MEDIA GENETICS NETWORK, INC. | — | BC0588676 | 1999-07-09 | Inactive | |
| MEDIA GHOST PRODUCTIONS INC. | — | BC0922714 | 2011-10-13 | Inactive | |
| MEDIA GIKEN CO., LTD. | — | A0041925 | 1995-11-15 | Inactive | |
| MEDIA GLOBE (MG) STUDIO | — | FM0584845 | 2012-06-04 | Active | |
| MEDIA GLOBE FILM & ARTS BROADCASTING INC. | — | BC0863758 | 2009-10-14 | Inactive | |
| MEDIA GLYPHICS | — | FM0284610 | 2000-07-14 | Active | |
| MEDIA GRIZZLY PRODUCTIONS | — | FM1021051 | 2023-07-11 | Active | |
| MEDIA GROWTH PRODUCTIONS | — | FM0456845 | 2007-08-01 | Active | |
| MEDIA GUARANTORS CANADA, INC. | — | A0106586 | 2018-07-16 | Inactive | |
| MEDIA HEX | — | FM0732092 | 2017-11-01 | Active | |
| MEDIA HILL PUBLICATIONS INC. | — | BC0569134 | 1998-07-28 | Inactive | |
| MEDIA HOUSE CAPITAL (CANADA) CORP. | — | A0082169 | 2011-01-12 | Inactive | |
| MEDIA HOUSE MARKETING INC. | — | BC0991000 | 2014-01-15 | Active | |
| MEDIA HOUSE PRODUCTION | — | FM0373610 | 2004-06-01 | Active | |
| MEDIA IMAGE COMMUNICATIONS INC. | — | BC0594048 | 1999-10-14 | Inactive | |
| MEDIA IMAGE PRODUCTIONS LTD. | — | BC0384429 | 1990-03-23 | Inactive | |
| MEDIA IMPACT FREELANCERS X3 | — | FM0243336 | 1998-07-14 | Active | |
| MEDIA IN DEPTH CONSULTING | — | FM0532608 | 2010-06-25 | Active | |
| MEDIA IN MOTION ADVERTISING | — | FM0381888 | 2004-10-06 | Active | |
| MEDIA IN MOTION ADVERTISING LIMITED | — | BC0738003 | 2005-10-19 | Active | |
| MEDIA INDEX PUBLISHING, INC. | — | A0047449 | 1998-06-05 | Inactive | |
| MEDIA INFORM SOLUTIONS | — | FM0307087 | 2001-08-16 | Inactive | |
| MEDIA INSPIRED CULTURAL COMMUNICATION LTD. | — | BC1290926 | 2021-02-25 | Inactive | |
| MEDIA JAMMERS | — | FM0615812 | 2013-09-04 | Active | |
| MEDIA KING CONVERSION SERVICES | — | FM0563128 | 2011-08-05 | Active | |
| MEDIA KING TECHNOLOGY | — | FM0411842 | 2005-11-30 | Active | |
| MEDIA KITTY SERVICES | — | FM0418382 | 2006-03-02 | Active | |
| MEDIA KNIEVEL, LLC | — | LLC0000532 | 2012-03-02 | Inactive | |
| MEDIA KNIGHTS STUDIO CO. | — | FM0321753 | 2002-04-22 | Active | |
| MEDIA LABS BUSINESS SOLUTIONS | — | FM0558719 | 2011-06-06 | Active | |
| MEDIA LOFT STUDIOS | — | FM0260195 | 1999-06-01 | Active | |
| MEDIA LOTUS | — | FM0510954 | 2009-09-11 | Active | |
| MEDIA LOUNGE PRODUCTIONS INC. | — | BC0714622 | 2005-01-25 | Inactive | |
| MEDIA LUNA RESTAURANT BISTRO LTD. | — | BC0528225 | 1996-10-01 | Inactive | |
| MEDIA MAFIA PRODUCTIONS | — | FM0340633 | 2003-02-14 | Active | |
| MEDIA MAGIC ENTERPRISES INC. | — | BC0475720 | 1994-06-28 | Inactive | |
| MEDIA MAGIC GROUP | — | FM0823095 | 2020-11-09 | Active | |
| MEDIA MAGIC PRODUCTIONS | — | FM0144972 | 1993-06-04 | Active | |
| MEDIA MAGNET DIGITAL MARKETING | — | FM1066588 | 2025-01-31 | Active | |
| MEDIA MAILS INC | — | A0096928 | 2015-10-22 | Inactive | |
| MEDIA MAINTENANCE INC. | — | BC0679197 | 2003-10-14 | Active | |
| MEDIA MANAGEMENT TECHNOLOGIES CANADA LTD. | — | BC0669498 | 2003-05-13 | Active | |
| MEDIA MAP | — | FM1015056 | 2023-04-27 | Active | |
| MEDIA MARKETING INC. | — | BC0241667 | 1981-08-31 | Inactive | |
| MEDIA MART | — | FM0599218 | 2013-01-19 | Active | |
| MEDIA MASTER PRODUCTIONS CORP. | — | BC0651200 | 2002-07-17 | Inactive | |
| MEDIA MATCH PRODUCTIONS | — | FM0164049 | 1994-07-14 | Inactive | |
| MEDIA MATRIX MARKETING INC. | — | BC1437531 | 2023-09-06 | Active | |
| MEDIA MATTERS CONSULTING | — | FM0351951 | 2003-07-18 | Active | |
| MEDIA MAX MARKETING LIMITED | — | A0043274 | 1996-07-12 | Inactive | |
| MEDIA MAXIMIZED | — | FM0822018 | 2020-11-02 | Inactive | |
| MEDIA MAXIMIZED | — | FM0827021 | 2020-12-10 | Active | |
| MEDIA MEKANIX PRODUCTIONS | — | FM0229251 | 1997-10-31 | Active | |
| MEDIA MELT PRODUCTIONS | — | FM0136879 | 1992-11-17 | Active | |
| MEDIA MENTORS MANAGEMENT INC. | — | BC0578308 | 1999-01-14 | Inactive | |
| MEDIA METHODS | — | FM0606290 | 2013-04-25 | Active | |
| MEDIA MIRABILIS MEDIA | — | FM0660492 | 2015-05-12 | Active | |
| MEDIA MOGUL ENTERPRISES | — | FM0439854 | 2006-12-18 | Active | |
| MEDIA MOGUL-ISH HOLDINGS INC. | — | BC1600784 | 2026-07-22 | Active | |
| MEDIA MOGULS PRODUCTION CO. | — | FM0410936 | 2005-11-16 | Active | |
| MEDIA MONKEY STUDIOS INC. | — | BC1320204 | 2021-08-17 | Active | |
| MEDIA MONSTER | — | FM0689901 | 2016-05-26 | Active | |
| MEDIA MOOSE PRODUCTIONS LTD. | — | BC1124768 | 2017-06-27 | Inactive | |
| MEDIA MOVES INT'L CORRESPONDENCE | — | FM0305848 | 2001-07-23 | Active | |
| MEDIA MS BUSINESS (CANADA) SERVICES INC. | — | BC1109066 | 2017-02-28 | Inactive | |
| MEDIA NATION CORP. | — | A0140138 | 2026-01-13 | Active | |
| MEDIA NATION CORP. | — | A0119416 | 2021-08-16 | Inactive | |
| MEDIA NET DISTRIBUTION SYSTEMS | — | FM0126011 | 1992-01-03 | Active | |
| MEDIA NINJA | — | FM0653443 | 2015-02-19 | Active | |
| MEDIA NORTH PRODUCTIONS | — | FM0396481 | 2005-05-01 | Active | |
| MEDIA NOVA ADVANCED TECHNOLOGIES INC. | — | BC0572453 | 1998-09-29 | Inactive | |
| MEDIA NOVA DIGITAL INC.(IN VOLUNTARY LIQUIDATION) | — | BC0536866 | 1997-02-18 | Active | |
| MEDIA NOVA NETWORK SOLUTIONS INC. | — | BC0572454 | 1998-09-29 | Inactive | |
| MEDIA ON-THE-GO | — | FM0345495 | 2003-04-22 | Active | |
| MEDIA ONE COMMUNICATION SERVICES | — | FM0331177 | 2002-09-24 | Active | |
| MEDIA ONE CONCEPTS | — | FM0034826 | 1980-08-21 | Active | |
| MEDIA ONE CONCERTS LTD. | — | BC0338064 | 1987-12-21 | Inactive | |
| MEDIA ONE CREATIVE GROUP INC. | — | BC0657959 | 2002-11-05 | Inactive | |
| MEDIA ONE MARKETING INC. | — | BC0770471 | 2006-09-29 | Active | |
| MEDIA ONE MULTIMEDIA INC. | — | BC0770317 | 2006-09-28 | Inactive | |
| MEDIA ONE PROMOTIONS (2007) INC. | — | BC0802999 | 2007-09-19 | Inactive | |
| MEDIA ONE PROMOTIONS INC. | — | BC0672388 | 2003-06-26 | Inactive | |
| MEDIA ONE SOLUTIONS | — | FM0312961 | 2001-11-26 | Active | |
| MEDIA PHIX | — | FM0668317 | 2015-08-24 | Active | |
| MEDIA PLASTER | — | FM0560832 | 2011-07-05 | Active | |
| MEDIA PLASTER PRODUCTIONS INC. | — | BC0913547 | 2011-06-21 | Active | |
| MEDIA PLUS VIDEO STORE | — | FM0474833 | 2008-04-08 | Active | |
| MEDIA PRINCIPLE CHANNEL GROUP INC. | — | BC0693531 | 2004-04-27 | Inactive | |
| MEDIA PROJECT21 INC. | — | BC0700963 | 2004-07-29 | Inactive | |
| MEDIA PUBLIC RELATIONS LIMITED | — | BC0063404 | 1965-02-12 | Inactive | |
| MEDIA READY CONSULTING INC. | — | BC0904182 | 2011-02-28 | Active | |
| MEDIA RELIEF ADVERTISING | — | FM0176138 | 1995-03-14 | Active | |
| MEDIA RESEARCH SOCIETY | — | S0008256 | — | Inactive | |
| MEDIA RESOURCE | — | FM0350446 | 2003-06-26 | Active | |
| MEDIA RIDGE | — | FM0728230 | 2017-09-12 | Active | |
| MEDIA ROUTES INC. | — | A0080880 | 2010-08-12 | Inactive | |
| MEDIA RUN MARKETING INC. | — | BC0830373 | 2008-07-17 | Inactive | |
| MEDIA SALES INC. | — | BC0356999 | 1988-12-23 | Inactive | |
| MEDIA SCENE INC. | — | A0048654 | 1999-01-08 | Active | |
| MEDIA SCRIPT MARKETING INC. | — | BC0883428 | 2010-06-12 | Inactive | |
| MEDIA SEAFOOD INTERNATIONAL COMPANY | — | FM0330333 | 2002-09-06 | Active | |
| MEDIA SEED | — | FM0837503 | 2021-03-14 | Active | |
| MEDIA SEED DESIGN | — | FM0380895 | 2004-09-21 | Active | |
| MEDIA SELECT MARKETING LTD. | — | BC1379363 | 2022-09-19 | Active | |
| MEDIA SEX GOD | — | FM0187869 | 1995-10-06 | Active | |