| PETRALEX TRUCKING | — | FM0593878 | 2012-10-19 | Active | |
| PETRALI VETERINARY SERVICES | — | FM0096364 | 1989-04-07 | Active | |
| PETRALIN ENTERPRISES | — | FM0050991 | 1983-12-15 | Active | |
| PETRALINE HOME LTD. | — | BC1580641 | 2026-03-05 | Active | |
| PETRALITH SERVICES LTD. | — | BC0169284 | 1977-12-20 | Inactive | |
| PETRAM EXPLORATION LTD. | — | BC1367191 | 2022-06-13 | Active | |
| PETRAM PARTNERS CAPITAL II ULC | — | BC1125247 | 2017-06-30 | Active | |
| PETRAM PARTNERS CAPITAL III ULC | — | BC1329141 | 2021-10-19 | Active | |
| PETRAM PARTNERS CAPITAL IV ULC | — | BC1367864 | 2022-06-16 | Active | |
| PETRAM PARTNERS CAPITAL ULC | — | BC1010013 | 2014-08-06 | Active | |
| PETRAM PVC SUPPLY INC. | — | A0108873 | 2019-02-25 | Active | |
| PETRAN CONSTRUCTION LTD. | — | BC0146305 | 1976-03-08 | Inactive | |
| PETRAN HOLDINGS LTD. | — | BC0269926 | 1983-10-13 | Inactive | |
| PETRAN RESOURCE CONSULTANTS LIMITED | — | A0017623 | 1981-01-27 | Inactive | |
| PETRAN RESOURCE MANAGEMENT LIMITED | — | A0078947 | 2009-12-30 | Inactive | |
| PETRAROIA ENTERPRISES INC. | — | BC1270700 | 2020-10-20 | Inactive | |
| PETRAROIA HOLDINGS INC. | — | BC1567550 | 2025-12-11 | Active | |
| PETRAROIA LANGFORD LLP | — | LL0002290 | 2022-05-24 | Inactive | |
| PETRAROIA LANGFORD LLP | — | LL0000064 | 2005-06-01 | Inactive | |
| PETRAS ASSET MANAGEMENT INC. | — | BC0574977 | 1998-11-17 | Inactive | |
| PETRAS LAND SURVEYING INC. | — | BC1452416 | 2023-11-30 | Active | |
| PETRAS PRECISION PAINTING | — | FM1028431 | 2023-10-23 | Active | |
| PETRAS UPHOLSTERY | — | FM0879143 | 2022-05-05 | Active | |
| PETRASCIENCE CONSULTANTS INC. | — | BC0501949 | 1995-08-03 | Active | |
| PETRASEK ARTISIAN BAKERY | — | FM0814634 | 2020-08-20 | Active | |
| PETRASHARPE RESTAURANTS LTD. | — | BC0291654 | 1985-04-26 | Inactive | |
| PETRASOL INVESTMENTS LTD. | — | BC0173377 | 1978-04-05 | Inactive | |
| PETRASSAGE EQUINE THERAPY | — | FM1029622 | 2023-11-07 | Active | |
| PETRAU CONSULTING | — | FM0453660 | 2007-06-18 | Active | |
| PETRAX NICKLE LTD. | — | BC0134717 | 1975-02-07 | Inactive | |
| PETRAX RENOVATIONS | — | FM0493949 | 2009-01-20 | Active | |
| PETRE TRADING COMPANY | — | FM0441896 | 2007-01-22 | Active | |
| PETREL ARTIFICIAL INTELLIGENCE SYSTEM INC. | — | BC1204649 | 2019-04-10 | Inactive | |
| PETREL DATA SYSTEMS | — | FM0572310 | 2011-12-16 | Active | |
| PETREL EQUITIES LTD. | — | BC0316019 | 1986-10-15 | Inactive | |
| PETREL IMMIGRATION CONSULTING INC. | — | BC1194594 | 2019-01-18 | Active | |
| PETREL ROBERTSON CONSULTING LTD. | — | A0063453 | 2004-10-12 | Inactive | |
| PETREL TRADING LTD. | — | BC0437886 | 1992-12-22 | Inactive | |
| PETRELA SURETY SERVICES INC./SERVICES DE SURETE PETRELA INC. | — | A0101929 | 2017-03-16 | Inactive | |
| PETRELA WESTMOUNT SURETY AND INSURANCE SERVICES INC./PETRELA WESTMOUNT SERVICES DE CAUTIONNEMENT ET D'ASSURANCE INC. | — | A0109889 | 2019-05-24 | Active | |
| PETRELA WINTER & ASSOCIATES INSURANCE BROKER | — | FM0713894 | 2017-03-23 | Active | |
| PETRELCO GENERAL CONTRACTING INC. | — | BC0878161 | 2010-04-09 | Inactive | |
| PETRELLI INVESTMENTS INC. | — | BC0802598 | 2007-09-14 | Inactive | |
| PETREMAN INVESTMENTS INC. | — | BC0223332 | 1980-12-29 | Inactive | |
| PETREN GARDEN WORKS | — | FM0174795 | 1995-02-14 | Active | |
| PETRENKO LAW CORPORATION SERVICES INC. | — | BC0810998 | 2007-12-13 | Inactive | |
| PETRENKO LAW CORPORATION SERVICES INC. | — | BC1101224 | 2017-01-01 | Active | |
| PETRESAR HOLDINGS LTD. | — | BC0395703 | 1990-10-31 | Inactive | |
| PETREWARDS.LOVE | — | FM0678150 | 2016-01-09 | Active | |
| PETREX ENERGY LTD. | — | A0021873 | 1984-04-05 | Inactive | |
| PETREX ENERGY LTD. | — | BC0095311 | 1970-08-25 | Inactive | |
| PETRI DISH DEVELOPMENT INC. | — | BC1162838 | 2018-05-04 | Active | |
| PETRI ENTERPRISES LTD. | — | BC0462232 | 1994-01-10 | Inactive | |
| PETRIC RECREATIONS LTD. | — | BC0113969 | 1972-12-05 | Inactive | |
| PETRICHOR AID FOUNDATION | — | S0074940 | 2021-05-25 | Active | |
| PETRICHOR BIOTECHNOLOGY LTD. | — | BC1386913 | 2022-11-15 | Active | |
| PETRICHOR BOOKS LTD. | — | BC1603026 | 2026-08-07 | Active | |
| PETRICHOR CLEANING LTD. | — | BC1489558 | 2024-06-27 | Active | |
| PETRICHOR CLOTHING INC. | — | BC1303529 | 2021-05-04 | Active | |
| PETRICHOR CONSULTING | — | FM0651419 | 2015-01-23 | Active | |
| PETRICHOR CONSULTING CORP. | — | BC1605289 | 2026-08-25 | Active | |
| PETRICHOR CONSULTING INC. | — | BC1309810 | 2021-06-10 | Inactive | |
| PETRICHOR CONTRACTING | — | FM0653019 | 2015-02-14 | Active | |
| PETRICHOR CONTRACTING LTD. | — | BC1390541 | 2022-12-08 | Active | |
| PETRICHOR ENERGY INC. | — | BC0733407 | 2005-08-25 | Active | |
| PETRICHOR ENVIRONMENTAL INC. | — | BC1257564 | 2020-07-17 | Active | |
| PETRICHOR FLORALS | — | FM0855195 | 2021-08-12 | Active | |
| PETRICHOR FOOD SERVICES LTD. | — | BC1429386 | 2023-07-23 | Active | |
| PETRICHOR GARDENS | — | FM0834796 | 2021-02-26 | Active | |
| PETRICHOR HAIR WORKSHOP | — | FM0641036 | 2014-08-20 | Active | |
| PETRICHOR HEALTH AND FITNESS | — | FM1045948 | 2024-05-09 | Active | |
| PETRICHOR HOLDINGS LTD. | — | BC1345344 | 2022-01-29 | Active | |
| PETRICHOR INVESTMENT GROUP INC. | — | A0141696 | 2026-04-24 | Active | |
| PETRICHOR IRRIGATION | — | FM0860010 | 2021-10-08 | Active | |
| PETRICHOR MANAGEMENT LTD. | — | BC1549355 | 2025-07-22 | Active | |
| PETRICHOR MEDIA | — | FM0816970 | 2020-09-14 | Active | |
| PETRICHOR MUSIC INC. | — | BC1225305 | 2019-10-01 | Inactive | |
| PETRICHOR PAINTING | — | FM1036143 | 2024-01-21 | Active | |
| PETRICHOR PILATES | — | FM1091679 | 2025-12-13 | Active | |
| PETRICHOR PLANTS AND CONTRACTING | — | FM0679129 | 2016-01-21 | Active | |
| PETRICHOR PROPERTIES LTD. | — | BC1556633 | 2025-09-11 | Active | |
| PETRICHOR REALTY ADVISORS | — | FM0833929 | 2021-02-23 | Active | |
| PETRICHOR SALES | — | FM0782311 | 2019-07-10 | Active | |
| PETRICHOR SOCIAL | — | FM1033072 | 2023-12-15 | Active | |
| PETRICHOR SOLUTIONS INC. | — | BC1028225 | 2015-02-21 | Active | |
| PETRICHOR VISIONS LTD. | — | A0129163 | 2023-09-12 | Active | |
| PETRICHOR WINDOW CLEANING SERVICES | — | FM0702954 | 2016-11-12 | Inactive | |
| PETRICIN HOLDINGS | — | FM0053202 | 1984-04-04 | Active | |
| PETRICK PURSUITS INC. | — | BC1427706 | 2023-07-14 | Active | |
| PETRICOR ENTERPRISES INC. | — | BC0874205 | 2010-02-18 | Inactive | |
| PETRICOR INTERACTIVE | — | FM1063128 | 2024-12-20 | Active | |
| PETRICORE DESIGN INC. | — | A0111468 | 2019-10-25 | Inactive | |
| PETRIE CONTRACTING | — | FM0160220 | 1994-05-11 | Inactive | |
| PETRIE CONTRACTING SERVICES | — | FM0707614 | 2017-01-17 | Active | |
| PETRIE ELECTRIC | — | FM0159152 | 1994-04-22 | Active | |
| PETRIE ENGINEERING LIMITED | — | A0005932 | — | Inactive | |
| PETRIE ENTERPRISES | — | FM0354085 | 2003-08-26 | Active | |
| PETRIE ENTERPRISES LTD. | — | BC0170000 | 1978-01-16 | Inactive | |
| PETRIE FISHING LTD. | — | BC0169422 | 1977-12-23 | Inactive | |
| PETRIE GOLF CORP. | — | BC0920660 | 2011-09-20 | Inactive | |
| PETRIE HOLDINGS LTD. | — | BC0221240 | 1980-11-26 | Inactive | |
| PETRIE LIME PRODUCTS LIMITED | — | BC0012091 | — | Inactive | |
| PETRIE PIPELINE AUDIT LIMITED | — | BC0878953 | 2010-04-20 | Inactive | |
| PETRIE REAL ESTATE HOLDINGS LTD. | — | BC1359048 | 2022-04-21 | Active | |
| PETRIE ROAD DEVELOPMENTS LTD. | — | BC1302985 | 2021-04-30 | Active | |
| PETRIE SALES LTD. | — | BC0412825 | 1991-09-23 | Active | |
| PETRIE SNOWBOARD PARKS | — | FM0250235 | 1998-11-30 | Active | |
| PETRIE SNOWPARKS | — | FM0293890 | 2001-01-12 | Active | |
| PETRIE STORAGE (1958) LTD., | — | BC0043479 | — | Inactive | |
| PETRIE STORAGE LIMITED | — | BC0014617 | — | Inactive | |
| PETRIE TRADING CO. LTD. | — | BC1484670 | 2024-06-04 | Active | |
| PETRIE TRUCKING | — | FM0010073 | 1972-05-30 | Active | |
| PETRIE VENTURES | — | FM0452870 | 2007-06-10 | Active | |
| PETRIE VENTURES LTD. | — | BC1514867 | 2024-12-03 | Active | |
| PETRIE WALL SYSTEMS INC. | — | BC1552242 | 2025-08-12 | Active | |
| PETRIE'S CORNER LIMITED | — | BC0018759 | — | Inactive | |
| PETRIE'S LIMOUSINE SERVICE LTD. | — | BC0089506 | 1969-09-29 | Inactive | |
| PETRIFIED DOG PRODUCTIONS | — | FM0142486 | 1993-04-20 | Active | |
| PETRIFIED DOG PRODUCTIONS INC. | — | BC0508000 | 1995-11-08 | Inactive | |
| PETRIFIED HIKER EQUIPMENT INC. | — | BC1129022 | 2017-08-02 | Active | |
| PETRIFIED RAINDROP ART LTD. | — | BC0289452 | 1985-03-08 | Inactive | |
| PETRIFIED ROCK ART | — | FM0501314 | 2009-04-30 | Active | |
| PETRIFOND FOUNDATION MIDWEST LIMITED | — | A0023025 | 1985-03-06 | Inactive | |
| PETRIFOND FOUNDATION PACIFIC LIMITED | — | BC0257914 | 1982-12-17 | Inactive | |
| PETRIGO ENTERTAINMENT INC. | — | BC0565730 | 1998-06-02 | Inactive | |
| PETRIMEX PETROLEUM IMPORT AND EXPORT LTD. | — | BC0372122 | 1989-09-06 | Inactive | |
| PETRIN CONTRACTING | — | FM0435531 | 2006-10-16 | Active | |
| PETRIN LUMBER INTERNATIONAL INC. | — | A0035221 | 1992-03-24 | Inactive | |
| PETRINA ENTERPRISES INC. | — | BC0159943 | 1977-03-31 | Active | |
| PETRINA HOLDINGS INC. | — | BC0446403 | 1993-05-04 | Active | |
| PETRINA KOLTUN PERSONAL REAL ESTATE CORPORATION | — | BC1190442 | 2018-12-17 | Active | |
| PETRINE CONSULTING | — | FM0708346 | 2017-01-24 | Active | |
| PETRINE CONSULTING INCORPORATED | — | A0043840 | 1996-10-28 | Inactive | |
| PETRINI ENTERPRISES | — | FM0108781 | 1990-06-18 | Inactive | |
| PETRINO HOLDINGS INC. | — | BC0723134 | 2005-04-28 | Inactive | |
| PETRIS IMPORTERS LIMITED | — | BC0362176 | 1989-03-21 | Inactive | |
| PETRIS TECHNOLOGY | — | FM0651556 | 2015-01-26 | Active | |
| PETRIS WEST CRAFT CONSTRUCTION | — | FM0234975 | 1998-02-25 | Active | |
| PETRISCO ENTERPRISES | — | FM0606859 | 2013-05-05 | Active | |
| PETRIW ENTERPRISES INC. | — | BC0782144 | 2007-02-07 | Inactive | |
| PETRIX CONSTRUCTION MAINTENENCE & LANDSCAPING | — | FM0239142 | 1998-05-05 | Active | |
| PETRO ANALYTICAL SERVICES INC. | — | A0104697 | 2018-01-11 | Inactive | |
| PETRO ARIYA CONSTRUCTION INCORPORATED | — | BC1440977 | 2023-09-23 | Active | |
| PETRO BARRIER SYSTEMS INC. | — | A0088009 | 2013-01-04 | Active | |
| PETRO BARRIER SYSTEMS INC. | — | A0057367 | 2002-07-26 | Inactive | |
| PETRO BASIN ENERGY CORP. | — | A0074704 | 2008-06-10 | Inactive | |
| PETRO CAR WASH | — | FM0698466 | 2016-09-16 | Active | |
| PETRO CHEM PROJECTS LTD. | — | A0011786 | — | Inactive | |
| PETRO CLEAN SERVICES | — | FM0795733 | 2020-01-07 | Active | |
| PETRO CLEAR FILTRATION & SERVICES | — | FM0587785 | 2012-07-16 | Active | |
| PETRO COATING SYSTEMS | — | FM1039878 | 2024-02-29 | Active | |
| PETRO ENGINEERING CANADA LTD. | — | A0123633 | 2022-06-23 | Active | |
| PETRO FINANCIAL INC. | — | A0024287 | 1986-03-10 | Inactive | |
| PETRO FITTINGS | — | FM0613139 | 2013-07-26 | Active | |
| PETRO FITTINGS LTD. | — | A0123381 | 2022-06-06 | Inactive | |
| PETRO GRANDE ENERGY INC. | — | BC0949772 | 2012-09-10 | Inactive | |
| PETRO GRANDE, INCORPORATED | — | A0011172 | — | Inactive | |
| PETRO GRANVILLE AUTO SERVICE & REPAIR | — | FM0616718 | 2013-09-17 | Active | |
| PETRO HOLDINGS LTD. | — | BC0043231 | — | Inactive | |
| PETRO HOLDINGS LTD. | — | BC0166030 | 1977-09-22 | Inactive | |
| PETRO INSPECT AMERICAS | — | FM0669096 | 2015-09-02 | Active | |
| PETRO KEY PETROLEUMS INC. | — | A0055895 | 2001-12-11 | Inactive | |
| PETRO OIL BURNERS OF CANADA LIMITED | — | BC0012000 | — | Inactive | |
| PETRO ONE ENERGY CORP. | — | C0879333 | 2010-04-23 | Active | |
| PETRO PACIFIC CONSULTANTS INC. | — | BC1085674 | 2016-08-11 | Active | |
| PETRO PILLAR PETROLEUM INC. | — | BC1199115 | 2019-02-27 | Inactive | |
| PETRO PLUS (INTERNATIONAL) INC. | — | BC0192666 | 1979-06-19 | Inactive | |
| PETRO PLUS ENGINEERING LTD. | — | BC0557094 | 1998-01-07 | Inactive | |
| PETRO POLIS DESIGNS LTD. | — | BC0252357 | 1982-06-08 | Inactive | |
| PETRO POOLAD PARS KAVIAN CONSTRUCTION INC. | — | BC1372745 | 2022-07-26 | Inactive | |
| PETRO SADR CORPORATION | — | A0110173 | 2019-06-20 | Active | |
| PETRO SCOPE INSPECTION & CONSULTING SERVICES LTD. | — | BC0474348 | 1994-06-06 | Inactive | |
| PETRO SERVICE LIMITED | — | A0112311 | 2020-01-24 | Inactive | |
| PETRO SERVICE LIMITED | — | A0111688 | 2019-11-18 | Inactive | |
| PETRO SERVICE LIMITED | — | A0122326 | 2022-03-22 | Active | |
| PETRO SOLUTION EQUIPMENT LTD. | — | BC0763143 | 2006-07-11 | Inactive | |
| PETRO SOLUTIONS INC. | — | BC1443682 | 2023-10-10 | Active | |
| PETRO SOURCE CORPORATION | — | A0038038 | 1993-11-10 | Inactive | |
| PETRO SOURCE PARTNERS, CANADA | — | FM0152222 | 1993-11-16 | Active | |
| PETRO SOURCE PARTNERS, LTD. | — | XP0152218 | 1993-11-15 | Active | |
| PETRO UNION RESOURCE LTD. | — | BC0272976 | 1984-01-13 | Inactive | |
| PETRO WELL ENERGY SERVICES INC. | — | A0050037 | — | Inactive | |
| PETRO WELL ENERGY SERVICES INC. | — | A0051243 | — | Inactive | |
| PETRO WEST RESOURCES LTD. | — | BC0364408 | 1989-04-25 | Inactive | |
| PETRO'S PASTA PLACE | — | FM0142108 | 1993-04-14 | Active | |
| PETRO'S PIZZA PLUS | — | FM0672170 | 2015-10-13 | Active | |
| PETRO'S PIZZA PLUS | — | FM0482035 | 2008-07-12 | Inactive | |
| PETRO-AMERICAN ENERGY INC. | — | BC0084667 | 1969-02-19 | Inactive | |
| PETRO-CAN'T EBIKE ACCESSORIES | — | FM0394473 | 2005-04-06 | Active | |
| PETRO-CANADA | — | A0032939 | 1991-02-22 | Inactive | |
| PETRO-CANADA | — | FM0512278 | 2009-09-30 | Active | |
| PETRO-CANADA ENTERPRISES INC. ENTREPRISES PETRO-CANADA INC. | — | A0005178 | — | Inactive | |
| PETRO-CANADA EXPLORATION INC. | — | A0008766 | — | Inactive | |
| PETRO-CANADA INC. | — | A0016510 | — | Inactive | |
| PETRO-CANADA INC. | — | A0024492 | — | Inactive | |
| PETRO-CANADA LIMITED | — | A0013257 | 1977-06-22 | Inactive | |
| PETRO-CANADA LUBRICANTS INC./LUBRIFIANTS PETRO-CANADA INC. | — | A0101744 | 2017-03-02 | Active | |
| PETRO-CANADA LUBRICANTS INC./LUBRIFIANTS PETRO-CANADA INC. | — | A0078786 | 2009-12-07 | Inactive | |
| PETRO-CANADA PETROLEUM INC. PETROLES PETRO-CANADA INC. | — | A0018044 | — | Inactive | |
| PETRO-CANADA RETAIL DEVELOPMENT CENTRES (WESTERN) LTD. | — | A0037648 | 1993-08-24 | Inactive | |