| PETROMAXX PETROLEUM SERVICES | — | FM0567614 | 2011-10-07 | Active | |
| PETROMEDIA LTD. | — | BC0702911 | 2004-08-27 | Inactive | |
| PETROMET RESOURCES LIMITED | — | A0054911 | 2001-07-05 | Inactive | |
| PETROMETRICS CAPITAL PARTNERS INC. | — | A0136751 | 2025-04-30 | Active | |
| PETROMETRICS CAPITAL PARTNERS INC. | — | A0101225 | 2017-01-12 | Inactive | |
| PETROMETRICS CORPORATION | — | BC0930826 | 2012-01-23 | Active | |
| PETROMIN MORNINGSIDE LIMITED PARTNERSHIP | — | XP0334023 | 2002-11-06 | Active | |
| PETROMIN RESOURCE CORPORATION | — | BC0061044 | 1964-07-14 | Inactive | |
| PETROMIN RESOURCE MANAGEMENT LIMITED | — | BC0106671 | — | Inactive | |
| PETROMIN RESOURCES LTD. | — | BC0296220 | 1985-08-07 | Inactive | |
| PETROMINERAL SHUAR INVESTMENTS INC. | — | BC1180313 | 2018-09-21 | Inactive | |
| PETROMINERALES ENERGY LTD. | — | C0988853 | 2013-12-19 | Inactive | |
| PETROMONT EXPLORATION PROGRAM | — | XP0034953 | 1980-09-05 | Inactive | |
| PETROMONT EXPLORATION PROGRAM 1980 NO 2 | — | XP0035302 | 1980-10-15 | Inactive | |
| PETROMONT EXPLORATION PROGRAM 1981 | — | LP0038469 | 1981-07-03 | Inactive | |
| PETROMONT EXPLORATION PROGRAM NO. 4 | — | XP0040404 | 1981-12-14 | Inactive | |
| PETRON CELLULAR LIMITED | — | BC0995170 | 2014-02-28 | Active | |
| PETRON COMMUNICATIONS LTD. | — | BC0828365 | 2008-07-01 | Inactive | |
| PETRON COMMUNICATIONS LTD. | — | BC0620090 | 2001-01-01 | Inactive | |
| PETRON COMMUNICATIONS LTD. | — | BC0183868 | 1978-12-08 | Inactive | |
| PETRON COMMUNICATIONS LTD. | — | BC1596516 | 2026-07-01 | Active | |
| PETRON COMPUTING INC. | — | A0023643 | 1985-09-16 | Inactive | |
| PETRON CONSTRUCTION INC. | — | BC1290150 | 2021-02-22 | Inactive | |
| PETRON HOLDINGS INC. | — | BC0564188 | 1998-05-05 | Inactive | |
| PETRON INVESTMENTS INC. | — | BC0654795 | 2002-09-18 | Inactive | |
| PETRON INVESTMENTS INC. | — | BC0951522 | 2012-10-01 | Inactive | |
| PETRON PETROLEUM LTD. | — | A0012754 | 1976-10-04 | Inactive | |
| PETRON WEST GOLF CLUBS | — | FM0100225 | 1989-08-18 | Active | |
| PETRONA DATA CENTRES LIMITED | — | A0009625 | — | Inactive | |
| PETRONA SERVICES LTD. | — | BC0198703 | 1979-10-19 | Inactive | |
| PETRONAFT OIL SERVICES INC. | — | BC0919867 | 2011-09-08 | Inactive | |
| PETRONAS CANADA | — | FM0761638 | 2018-11-22 | Active | |
| PETRONAS CANADA LNG LTD. | — | A0105554 | 2018-04-05 | Active | |
| PETRONAS CARIGALI CANADA LTD. | — | A0083894 | 2011-08-02 | Inactive | |
| PETRONAS ENERGY | — | FM0761637 | 2018-11-21 | Active | |
| PETRONAS ENERGY CANADA LTD. | — | A0089569 | 2013-07-04 | Active | |
| PETRONAS SASOL MONTNEY PARTNERSHIP | — | FM0549861 | 2011-02-17 | Active | |
| PETRONATIONAL ENERGY CORPORATION | — | BC0274857 | 1984-02-28 | Inactive | |
| PETRONEX GLOBAL SOLUTION LTD. | — | A0134823 | 2024-12-01 | Active | |
| PETRONICS ENTERPRISES LTD. | — | BC0278374 | 1984-05-23 | Inactive | |
| PETRONILO PALAROAN ARTS CONSULTING | — | FM0698738 | 2016-09-21 | Active | |
| PETRONIX TECHNOLOGY INC. | — | BC1542887 | 2025-06-05 | Active | |
| PETRONIX WEAR INC. | — | BC1415855 | 2023-05-11 | Active | |
| PETRONORA AUTOMOTIVE CORP. | — | BC0660246 | 2002-12-16 | Inactive | |
| PETRONOVA TECHNOLOGY CORPORATION | — | BC0657343 | 2002-10-29 | Inactive | |
| PETROPAC RESOURCES INC. | — | BC0329901 | 1987-07-09 | Inactive | |
| PETROPHIL INDUSTRIES LTD. | — | BC0199431 | 1979-11-01 | Inactive | |
| PETROPHIL OIL RESERVES LTD. | — | BC0276502 | 1984-04-04 | Inactive | |
| PETROPLAN CANADA LIMITED | — | A0091803 | 2014-03-25 | Active | |
| PETROPOND RESOURCES LTD. | — | BC0207132 | 1980-03-26 | Inactive | |
| PETROPRO SERVICES INC. | — | BC0489734 | 1995-02-01 | Inactive | |
| PETROQUEST MANAGEMENT SERVICES INC. | — | BC0256659 | 1982-11-12 | Inactive | |
| PETROQUIP LIMITED | — | A0027219 | 1988-02-15 | Inactive | |
| PETROREP (CANADA) LTD. | — | A0008298 | — | Inactive | |
| PETROREP (CANADA) LTD. | — | A0021662 | 1984-02-16 | Inactive | |
| PETROREP DRILLING FUND, 1977 (NO. 1) | — | XP0029934 | 1979-02-13 | Active | |
| PETROREP RESOURCES LTD. | — | A0036077 | — | Inactive | |
| PETROROSS RESOURCES LTD. | — | BC0919411 | 2011-09-01 | Inactive | |
| PETROS LOGISTICS INC. | — | BC1394623 | 2023-01-04 | Active | |
| PETROS MANAGEMENT INC. | — | BC0597640 | 1999-12-16 | Active | |
| PETROS RENOS | — | FM0529197 | 2010-05-13 | Active | |
| PETROS TECHNOLOGIES INC. | — | BC1395356 | 2023-01-10 | Active | |
| PETROS153 TILE & STONE | — | FM0716712 | 2017-04-26 | Active | |
| PETROSA CANADIAN LIMITED PARTNERSHIP | — | LP0763769 | 2018-12-21 | Active | |
| PETROSAFE SUPPLY LTD. | — | BC0431317 | 1992-08-27 | Inactive | |
| PETROSANA ENERGY INC | — | A0131317 | 2024-02-27 | Active | |
| PETROSEARCH | — | FM0131724 | 1992-07-06 | Active | |
| PETROSERVICE | — | FM0799196 | 2020-02-19 | Active | |
| PETROSIAN CONSULTING | — | FM0794187 | 2019-12-10 | Active | |
| PETROSIAN CONSULTING GROUP CORP. | — | BC1305773 | 2021-05-17 | Active | |
| PETROSOLV MANAGEMENT CONSULTING INC. | — | BC1094139 | 2016-10-24 | Inactive | |
| PETROSORB INDUSTRIES LTD. | — | BC0408026 | 1991-06-20 | Inactive | |
| PETROSPAN GROUP | — | FM0558902 | 2011-06-08 | Active | |
| PETROSSIAN HUMANITARIAN AID & FRIENDSHIP SOCIETY | — | S0065069 | 2016-01-28 | Active | |
| PETROSTAR PETROLEUMS INC. | — | A0036651 | — | Inactive | |
| PETROSTAR PETROLEUMS INC. | — | A0044719 | 1997-03-21 | Inactive | |
| PETROSTAR PETROLEUMS LTD. | — | A0020152 | — | Inactive | |
| PETROSTATES RESOURCE CORPORATION | — | BC0288401 | 1985-02-12 | Inactive | |
| PETROSTATES RESOURCES CORPORATION | — | BC0229526 | 1981-03-16 | Inactive | |
| PETROSTEEL TECHNOLOGIES INC. | — | BC0655068 | 2002-09-20 | Active | |
| PETROSTONE HOLDINGS LTD. | — | A0103843 | 2017-10-05 | Inactive | |
| PETROSTONE HOLDINGS LTD. | — | A0112212 | 2020-01-14 | Active | |
| PETROSTONES RESOURCES LTD. | — | BC0242483 | 1981-09-16 | Inactive | |
| PETROSTRAT CANADA LTD. | — | BC1223534 | 2019-09-17 | Active | |
| PETROSUL | — | FM0183853 | 1995-07-27 | Active | |
| PETROSUL INTERNATIONAL | — | FM0123677 | 1991-10-10 | Inactive | |
| PETROSUL INTERNATIONAL | — | FM0183851 | 1995-07-27 | Active | |
| PETROSUL INTERNATIONAL LTD. | — | BC0136692 | 1975-04-18 | Inactive | |
| PETROSUL INTERNATIONAL LTD. | — | BC0513012 | 1996-02-01 | Active | |
| PETROSYNTH SOLUTIONS INC. | — | BC1212205 | 2019-06-11 | Active | |
| PETROTAC OIL CO. LTD. | — | BC0414122 | 1991-10-18 | Inactive | |
| PETROTAR DEVELOPMENT LTD. | — | A0006156 | — | Inactive | |
| PETROTEC CONTROLS INC. | — | BC0116141 | 1973-02-26 | Inactive | |
| PETROTEC CONTROLS INC. | — | BC0810607 | 2007-12-07 | Active | |
| PETROTECH ENGINEERING LTD. | — | BC0229798 | 1981-03-18 | Active | |
| PETROTECH ENVIRONMENTAL PRODUCTS INC. | — | BC0403208 | 1991-03-28 | Inactive | |
| PETROTECH WEST INC. | — | BC1498260 | 2024-08-22 | Active | |
| PETROTERRA NATURAL RESOURCES LTD. | — | A0021382 | 1983-11-25 | Inactive | |
| PETROTERRA PARTNERS INC. | — | BC0964176 | 2013-03-05 | Active | |
| PETROTRIAD EXPLORATIONS LIMITED | — | BC0229860 | 1981-03-19 | Inactive | |
| PETROU HOLDINGS LTD. | — | BC0781666 | 2007-02-02 | Inactive | |
| PETROU PROJECTS | — | FM0457233 | 2007-08-08 | Active | |
| PETROV IMPORTS | — | FM0469514 | 2008-02-02 | Active | |
| PETROV RESTORATION GALLERY LIMITED | — | BC0199023 | 1979-10-25 | Inactive | |
| PETROV THERAPY & WELLNESS | — | FM1055713 | 2024-09-12 | Active | |
| PETROV'S ALL NATURAL PET FOOD LTD. | — | BC0621200 | 2001-01-23 | Inactive | |
| PETROVALOR ENERGY POOL LTD. | — | A0015294 | — | Inactive | |
| PETROVALUE PRODUCTS CANADA INC. | — | BC0577729 | 1999-01-06 | Active | |
| PETROVENTURES (1979) LTD. | — | A0016857 | — | Inactive | |
| PETROVEST CORPORATION | — | A0029894 | 1989-07-27 | Inactive | |
| PETROVIC & DYER | — | FM0010418 | 1972-07-31 | Inactive | |
| PETROVIC CONSULTING | — | FM0326050 | 2002-06-27 | Active | |
| PETROVIC CONSULTING LTD. | — | BC0731227 | 2005-07-29 | Inactive | |
| PETROVIC HOLDINGS INC. | — | BC0919922 | 2011-09-09 | Inactive | |
| PETROVIC LAND LTD. | — | BC1491403 | 2024-07-10 | Active | |
| PETROVIC LANDSCAPING CO. | — | FM0344551 | 2003-04-08 | Active | |
| PETROVIC MASONRY & CONTRACTING LTD. | — | BC0114115 | 1972-12-11 | Inactive | |
| PETROVIC'S STONE MASONRY | — | FM0679140 | 2016-01-21 | Active | |
| PETROVISTA SERVICES INC. | — | BC0764421 | 2006-07-25 | Inactive | |
| PETROWEST CIVIL SERVICES LP | — | XP0459513 | 2007-09-10 | Active | |
| PETROWEST CONSTRUCTION BC | — | FM0707776 | 2017-01-18 | Active | |
| PETROWEST CONSTRUCTION LP | — | XP0456444 | 2007-07-26 | Active | |
| PETROWEST CORPORATION | — | A0094240 | 2015-01-12 | Active | |
| PETROWEST CORPORATION | — | A0083707 | 2011-07-08 | Inactive | |
| PETROWEST CORPORATION | — | A0083411 | 2011-05-31 | Inactive | |
| PETROWEST ENERGY SERVICES GENERAL PARTNER LTD. | — | A0068891 | 2006-09-07 | Inactive | |
| PETROWEST ENVIRONMENTAL SERVICES LP | — | XP0587794 | 2012-07-16 | Active | |
| PETROWEST GP LTD. | — | A0083410 | 2011-05-31 | Active | |
| PETROWEST RENTALS | — | FM0645283 | 2014-10-21 | Active | |
| PETROWEST RESOURCES LTD. | — | BC0066853 | 1965-11-10 | Inactive | |
| PETROWEST SERVICES LTD. | — | A0071470 | 2007-06-08 | Inactive | |
| PETROWEST SERVICES LTD. | — | A0069211 | 2006-10-16 | Inactive | |
| PETROWEST SERVICES RENTALS LP | — | XP0459518 | 2007-09-10 | Active | |
| PETROWEST TRANSPORTATION LP | — | XP0459521 | 2007-09-10 | Active | |
| PETROWEST VENTURES INC. | — | BC0571788 | 1998-09-16 | Inactive | |
| PETROX ENERGY AND MINERALS CORPORATION | — | BC0107331 | 1972-03-15 | Inactive | |
| PETROY VENTURES CORP. | — | BC0685374 | 2004-01-16 | Inactive | |
| PETROZOL ENERGY CONSULTING LTD. | — | BC0778894 | 2007-01-03 | Active | |
| PETRU ENTERPRISES LIMITED | — | BC0456516 | 1993-10-20 | Inactive | |
| PETRU HOLDINGS LTD. | — | BC0487335 | 1995-01-04 | Inactive | |
| PETRUCCI CONTRACTING | — | FM1010792 | 2023-03-04 | Active | |
| PETRUCCI WINE CONCIERGE | — | FM1033969 | 2023-12-28 | Active | |
| PETRUCCO USA LLC | — | LLC0000756 | 2015-08-13 | Active | |
| PETRUCELA INSPECTIONS CANADA ULC | — | BC1588128 | 2026-04-27 | Active | |
| PETRUCK CONSTRUCTION CO. LTD. | — | BC0042350 | — | Inactive | |
| PETRULO VENTURES LTD. | — | BC0726276 | 2005-06-02 | Inactive | |
| PETRUNIAKS BAKERY | — | FM1058607 | 2024-10-18 | Active | |
| PETRUS B TAHOURI ATOZ SERVICES LTD. | — | BC1303068 | 2021-04-30 | Active | |
| PETRUS CONSTRUCTION LTD. | — | BC0291629 | 1985-04-25 | Inactive | |
| PETRUS CONSTRUCTION LTD. | — | BC1357861 | 2022-04-12 | Active | |
| PETRUS DESIGN & CONSULTING | — | FM0771304 | 2019-03-20 | Active | |
| PETRUS ENTERPRISES LTD. | — | BC0127873 | 1974-05-09 | Inactive | |
| PETRUS FLUID POWER | — | FM0244347 | 1998-07-31 | Active | |
| PETRUS HOLDINGS LTD. | — | BC0123267 | 1973-11-26 | Inactive | |
| PETRUS MARINUS VAN VLIET LTD. | — | BC0156081 | 1976-12-21 | Active | |
| PETRUS RENTALS LTD. | — | BC1444007 | 2023-10-12 | Inactive | |
| PETRY PHOTOGRAPHY | — | FM0479719 | 2008-06-09 | Active | |
| PETRY PRODUCTION INC. | — | BC1089657 | 2016-09-15 | Active | |
| PETRYK'S MECHANICAL SOLUTIONS | — | FM0592704 | 2012-10-02 | Active | |
| PETRYL MILTON INVESTMENTS | — | FM0821953 | 2020-10-31 | Active | |
| PETRYSHEN HOLDINGS LTD. | — | BC0260287 | 1983-02-15 | Inactive | |
| PETS "N" US SUPPLIES INC. | — | BC0860926 | 2009-09-10 | Active | |
| PETS & PAWS, ANIMAL SERVICES LTD. | — | BC1418393 | 2023-05-26 | Active | |
| PETS 'N YOU PRODUCTS | — | FM0236924 | 1998-04-03 | Active | |
| PETS + US | — | FM0735980 | 2017-12-22 | Active | |
| PETS + US | — | FM0635449 | 2014-06-02 | Inactive | |
| PETS 1ST PRODUCTS AND SERVICES | — | FM1042530 | 2024-04-03 | Active | |
| PETS 333 SOLUTIONS | — | FM0255552 | 1999-03-11 | Active | |
| PETS AGREE INDUSTRIES LTD. | — | BC0528013 | 1996-09-26 | Inactive | |
| PETS ALLOWED SERVICES | — | FM0261783 | 1999-06-24 | Active | |
| PETS AND APARTMENTS INC. | — | A0059545 | 2003-06-06 | Inactive | |
| PETS ARE KIDS NUTRITION CORPORATION | — | BC1235610 | 2019-12-31 | Active | |
| PETS ARE PRICELESS 2020 | — | FM0823884 | 2020-11-16 | Active | |
| PETS AT HOME SITTING SERVICE | — | FM0588487 | 2012-07-25 | Active | |
| PETS AT PEACE MEMORIAL SERVICES | — | FM1042169 | 2024-03-27 | Active | |
| PETS AT PEACE MUNRO HOME EUTHANASIA SERVICE | — | FM0532852 | 2010-06-30 | Active | |
| PETS BEAUTIFUL (B.C.) INC. | — | BC0467793 | 1994-03-02 | Inactive | |
| PETS BY JANETTE | — | FM0790912 | 2019-10-28 | Active | |
| PETS CAN STAY INC. | — | A0061649 | 2004-03-22 | Inactive | |
| PETS CAN STAY TRAVEL SERVICES | — | FM0409396 | 2005-10-25 | Active | |
| PETS CORNER | — | FM0061772 | 1985-06-07 | Active | |
| PETS CORNER | — | FM0061837 | 1985-06-10 | Active | |
| PETS FOODLAND LTD. | — | BC1512986 | 2024-11-22 | Active | |
| PETS FOR LIFE PRODUCTS | — | FM0143673 | 1993-05-12 | Active | |
| PETS FOREVER MEMENTOS | — | FM0250832 | 1998-12-08 | Active | |
| PETS FUREVER | — | FM1043863 | 2024-04-16 | Active | |
| PETS IN NEED SOCIETY | — | S0035716 | 1996-08-13 | Inactive | |
| PETS IN STYLE | — | FM1011049 | 2023-03-08 | Active | |
| PETS IN THE CITY | — | FM0691979 | 2016-06-21 | Active | |
| PETS IN THE CITY PET CARE SERVICES | — | FM0453818 | 2007-06-20 | Active | |
| PETS IN THE CITY PET CARE SERVICES | — | FM0397850 | 2005-05-16 | Active | |
| PETS IN THE PARK | — | FM0713254 | 2017-03-16 | Inactive | |
| PETS KINGDOM FUNGI | — | FM1050069 | 2024-06-29 | Active | |
| PETS LOVES TREATS SERVICES | — | FM0669524 | 2015-09-09 | Active | |
| PETS MANOR FOOD LTD. | — | BC1209849 | 2019-05-23 | Inactive | |
| PETS N PICKERS PRODUCTIONS 2 INC. | — | BC1372998 | 2022-07-27 | Active | |
| PETS N PICKERS PRODUCTIONS 3 INC. | — | BC1425170 | 2023-07-01 | Active | |
| PETS ON CLOTHES | — | FM0816274 | 2020-09-08 | Active | |
| PETS PEOPLE PRACTICE BC INC. | — | BC1256515 | 2020-07-10 | Inactive | |
| PETS PEOPLE PRACTICE BC INC. | — | BC1281946 | 2021-01-01 | Inactive | |