| OLD DOG TRUCKING | — | FM0493828 | 2009-01-19 | Active | |
| OLD DOG WEB STRATEGIES & DESIGN | — | FM0553653 | 2011-04-02 | Active | |
| OLD DOG'S HAWGS MOTORCYCLES | — | FM0147391 | 1993-07-23 | Active | |
| OLD DOGS CAN LEARN | — | FM0804418 | 2020-04-23 | Active | |
| OLD DOGS VINTAGE CIDER HOUSE INC. | — | BC1282113 | 2020-12-31 | Active | |
| OLD DOGS VINTAGE RENOS | — | FM0837728 | 2021-03-16 | Active | |
| OLD DOGWOOD SOCIETY FOR ARTS AND ECOLOGY | — | S0069185 | 2018-04-13 | Inactive | |
| OLD DOMINION FREIGHT LINE, INC. | — | A0096709 | 2015-09-28 | Active | |
| OLD DOMINION LEASING LTD | — | A0130275 | 2023-12-11 | Inactive | |
| OLD DOMINION MINING AND DEVELOPMENT COMPANY LIMITED LIABILITY | — | QD0000766 | — | Inactive | |
| OLD DOUG CREATIVE | — | FM0806247 | 2020-05-14 | Active | |
| OLD DUDE MEDIA INC. | — | BC1166372 | 2018-05-31 | Inactive | |
| OLD DUTCH BAKERY LTD. | — | BC0086145 | 1969-04-24 | Inactive | |
| OLD DUTCH FARMS LTD. | — | BC0049399 | 1960-12-23 | Inactive | |
| OLD DUTCH FOODS LTD. | — | A0006308 | 1963-11-14 | Inactive | |
| OLD DUTCH FOODS LTD. | — | A0078805 | 2009-12-10 | Inactive | |
| OLD DUTCH FOODS LTD. | — | A0079548 | 2010-03-04 | Active | |
| OLD DUTCH INN | — | FM0537030 | 2010-08-25 | Active | |
| OLD DUTCH WINDOW CLEANING COMPANY | — | FM0071267 | 1986-07-28 | Active | |
| OLD EARTH ARBORISTS | — | FM0675223 | 2015-11-24 | Active | |
| OLD EARTH GARDENING | — | FM0459252 | 2007-09-05 | Active | |
| OLD EBS WIND-DOWN CORP. | — | C1263559 | 2020-08-31 | Inactive | |
| OLD EMPRESS HOTEL COMPANY LIMITED | — | BC0011714 | — | Inactive | |
| OLD ENDERBY CRATE COMPANY | — | FM0737674 | 2018-01-16 | Active | |
| OLD ENGLISH BED & BREAKFAST REGISTRY | — | FM0052621 | 1984-03-09 | Active | |
| OLD ENGLISH BINDERY | — | FM0282970 | 2000-06-19 | Active | |
| OLD ENGLISH BREWING COMPANY LIMITED | — | BC0006122 | — | Inactive | |
| OLD ENGLISH DRYWALL | — | FM0479681 | 2008-06-09 | Active | |
| OLD ENGLISH GARDENS | — | FM0452399 | 2007-06-04 | Active | |
| OLD ENGLISH HOME SERVICES LTD. | — | BC0538304 | 1997-03-07 | Inactive | |
| OLD ENGLISH PAINTING COMPANY INC. | — | BC0380705 | 1990-01-25 | Inactive | |
| OLD ENGLISH RESTAURANTS LIMITED | — | BC0007867 | — | Inactive | |
| OLD ENGLISH WINDOW CLEANING & PRESSURE WASHING SERVICES LTD. | — | BC0308828 | 1986-05-07 | Inactive | |
| OLD ENGLISH WINDOW CLEANING SERVICE | — | FM0046704 | 1983-03-25 | Active | |
| OLD EUROPE DELI | — | FM0229588 | 1997-11-06 | Active | |
| OLD EUROPE DELI LTD. | — | BC0600333 | 2000-01-28 | Inactive | |
| OLD EUROPE MANAGEMENT LTD. | — | BC0133785 | 1975-01-03 | Inactive | |
| OLD EUROPE RESTAURANTS LTD. | — | BC0532002 | 1996-11-28 | Active | |
| OLD FAITHFUL SHOP LTD. | — | BC0869667 | 2009-12-22 | Active | |
| OLD FAITHFUL WATER INC. | — | BC0747042 | 2006-01-27 | Active | |
| OLD FAITHFULL SERVICES | — | FM0151139 | 1993-10-25 | Active | |
| OLD FAMILY FOODS LTD. | — | BC1242492 | 2020-02-28 | Active | |
| OLD FARM GARDEN CENTRE LTD. | — | BC0388240 | 1990-05-29 | Active | |
| OLD FARM GARDEN STONE LTD. | — | BC0644308 | 2002-03-19 | Active | |
| OLD FARM INN B & B | — | FM0468712 | 2008-01-24 | Inactive | |
| OLD FARM INN B & B | — | FM0412601 | 2005-12-12 | Inactive | |
| OLD FARM INN B & B | — | FM0509884 | 2009-08-28 | Active | |
| OLD FARMHOUSE KITCHEN | — | FM0732720 | 2017-11-09 | Active | |
| OLD FASHION CARPET CARE | — | FM0081265 | 1987-09-14 | Active | |
| OLD FASHION CIDERS LTD. | — | BC0148174 | 1976-04-30 | Inactive | |
| OLD FASHION CLEANERS | — | FM0096670 | 1989-04-14 | Active | |
| OLD FASHION CO. | — | FM0623462 | 2014-01-01 | Active | |
| OLD FASHION DRYWALL SERVICES | — | FM0042236 | 1982-04-21 | Active | |
| OLD FASHION HONEY (CANADA DIVISION) CORPORATION | — | BC0920507 | 2011-09-16 | Inactive | |
| OLD FASHION MIRACLE REVIVALS ASSOCIATION | — | S0007935 | — | Inactive | |
| OLD FASHION SWINGS 'N' THINGS | — | FM0053589 | 1984-04-18 | Active | |
| OLD FASHION WOODEN SCREEN DOOR COMPANY | — | FM0087474 | 1988-05-11 | Active | |
| OLD FASHIONED BAKERY & DELI LTD. | — | BC0624570 | 2001-03-20 | Inactive | |
| OLD FASHIONED BAKERY LTD. | — | BC0161719 | 1977-05-18 | Inactive | |
| OLD FASHIONED BUTCHER SHOP | — | FM0082667 | 1987-11-13 | Active | |
| OLD FASHIONED CINNAMAN BUNS & PIZZA | — | FM0131755 | 1992-07-07 | Active | |
| OLD FASHIONED CLEANING SERVICES | — | FM0371926 | 2004-05-09 | Active | |
| OLD FASHIONED CRAFTS | — | FM0153434 | 1993-12-09 | Active | |
| OLD FASHIONED EXCAVATING | — | FM0693811 | 2016-07-18 | Active | |
| OLD FASHIONED EXCAVATING INC. | — | BC1130284 | 2017-08-15 | Active | |
| OLD FASHIONED FLOWERS | — | FM0064544 | 1985-10-23 | Active | |
| OLD FASHIONED INTERACTIVE INC. | — | BC1002043 | 2014-05-13 | Active | |
| OLD FASHIONED PAINTING | — | FM0162152 | 1994-06-13 | Active | |
| OLD FASHIONED RIBBON CREATIONS LTD. | — | BC0370824 | 1989-08-11 | Inactive | |
| OLD FASHIONED SANDWICH FACTORY LTD. | — | BC0239223 | 1981-07-16 | Inactive | |
| OLD FASHIONED SAUCE CO. FOODWORKS LTD. | — | BC0644971 | 2002-04-03 | Inactive | |
| OLD FASHIONED STANDARDS | — | FM0595756 | 2012-11-19 | Active | |
| OLD FASHIONED SWEETS & STUFF INC. | — | BC0513875 | 1996-02-16 | Inactive | |
| OLD FASHIONED TOYS SALES | — | FM0487733 | 2008-10-07 | Inactive | |
| OLD FASHIONED TREASURES LTD. | — | BC0334378 | 1987-10-06 | Inactive | |
| OLD FASHIONED WINDOW CLEANING | — | FM0216097 | 1997-03-14 | Active | |
| OLD FASHIONED WOODEN TOYS | — | FM0625815 | 2014-01-30 | Active | |
| OLD FILMS INC. | — | BC1359099 | 2022-04-21 | Inactive | |
| OLD FIRE HALL COLLECTIVE SOCIETY | — | S0062753 | 2014-06-17 | Active | |
| OLD FIRE HALL WINE BAR | — | FM0441388 | 2007-01-15 | Active | |
| OLD FIREHALL TAVERN & ACCOMMODATIONS LTD. | — | BC1438328 | 2023-09-11 | Active | |
| OLD FIREHALL WOODCRAFTS | — | FM0317708 | 2002-02-20 | Active | |
| OLD FIREHOUSE RESTAURANT LTD. | — | BC0794900 | 2007-06-20 | Active | |
| OLD FISH NEW FISH CRAFTWORKS | — | FM0202960 | 1996-07-12 | Active | |
| OLD FLAG GOLD MINING COMPANY LIMITED LIABILITY | — | QD0000406 | — | Inactive | |
| OLD FLAG INN | — | FM0165584 | 1994-08-18 | Active | |
| OLD FLAG VENTURES LTD. | — | BC0395073 | 1990-10-18 | Inactive | |
| OLD FOOL TRUCKING LIMITED | — | BC1348380 | 2022-02-26 | Active | |
| OLD FOOLS SLOW-PITCH LEAGUE | — | S0036070 | 1996-11-04 | Inactive | |
| OLD FORT BREWING COMPANY, LIMITED PARTNERSHIP | — | LP0044306 | 1982-10-14 | Inactive | |
| OLD FORT DIVING SCHOOL | — | FM0051017 | 1983-12-19 | Active | |
| OLD FORT ECONOMIC DEVELOPMENT SOCIETY | — | S0062875 | 2014-07-15 | Inactive | |
| OLD FORT ENTERPRISES | — | FM0250186 | 1998-11-27 | Active | |
| OLD FORT ENTERPRISES CORP. | — | BC0419102 | 1992-01-28 | Inactive | |
| OLD FORT IRONWORKS | — | FM0267082 | 1999-09-29 | Active | |
| OLD FORT LANDSCAPING | — | FM0460637 | 2007-09-25 | Inactive | |
| OLD FORT LANDSCAPING | — | FM0547681 | 2011-01-21 | Active | |
| OLD FORT MECHANICAL | — | FM0412985 | 2005-12-16 | Active | |
| OLD FORT MECHANICAL | — | FM0077437 | 1987-04-09 | Inactive | |
| OLD FORT METIS NATION ASSOCIATION | — | S0072398 | 2019-12-11 | Active | |
| OLD FORT MUSEUM | — | FM0045318 | 1982-12-29 | Active | |
| OLD FORT NELSON HERITAGE SOCIETY | — | S0047266 | 2004-02-26 | Inactive | |
| OLD FORT NELSON METIS DEVELOPMENT CORPORATION | — | BC0688648 | 2004-03-02 | Inactive | |
| OLD FORT SECURITY PATROL | — | FM0327312 | 2002-07-12 | Active | |
| OLD FORT SERVICES LTD. | — | BC0510234 | 1995-12-15 | Active | |
| OLD FORT ST. JOHN HISTORICAL PARK SOCIETY | — | S0040583 | 1999-10-12 | Inactive | |
| OLD FORT TRADITIONAL DANCERS SOCIETY | — | S0056621 | 2010-04-23 | Inactive | |
| OLD FORT VENTURES | — | FM0422098 | 2006-04-16 | Active | |
| OLD FORT VENTURES | — | FM0200235 | 1996-05-29 | Active | |
| OLD FORT VENTURES LG & SON'S | — | FM0351217 | 2003-07-10 | Active | |
| OLD FORTRESS ANTIQUES | — | FM0422855 | 2006-04-25 | Active | |
| OLD FOUNDRY DESIGN COMPANY | — | FM0300997 | 2001-05-07 | Active | |
| OLD FRANKFURT MOTEL LTD. | — | BC0338131 | 1987-12-22 | Active | |
| OLD FRIEND TRADING LTD. | — | BC0980379 | 2013-09-13 | Inactive | |
| OLD FRIEND WILDLIFE ADVENTURES | — | FM0472872 | 2008-03-13 | Active | |
| OLD FRIEND'S TRADING POST | — | FM0042278 | 1982-04-23 | Active | |
| OLD FRIENDS ANTIQUES | — | FM0059364 | 1985-02-26 | Active | |
| OLD FRIENDS CANADA SOCIETY | — | S0059406 | 2012-02-14 | Active | |
| OLD FUELS INC. | — | BC0274412 | 1984-02-16 | Inactive | |
| OLD GAFF FISH COMPANY LTD. | — | BC1347499 | 2022-02-10 | Active | |
| OLD GAL'S TAX & BUSINESS SERVICES | — | FM0867968 | 2022-01-19 | Active | |
| OLD GALS YOUNG THINGS | — | FM0032993 | 1980-02-13 | Active | |
| OLD GARDENER PRODUCTS | — | FM0568626 | 2011-10-24 | Active | |
| OLD GARDENER PRODUCTS LTD. | — | BC0104245 | 1971-11-18 | Inactive | |
| OLD GAZOONY MINING CO. LTD. | — | BC0151246 | 1976-07-26 | Inactive | |
| OLD GI INC. | — | A0089301 | 2013-05-31 | Inactive | |
| OLD GLORY CONSTRUCTION LIMITED | — | BC1602717 | 2026-08-05 | Active | |
| OLD GLORY FILMS | — | FM0852346 | 2021-07-07 | Active | |
| OLD GLORY HOLDINGS LTD. | — | BC0113821 | 1972-11-29 | Inactive | |
| OLD GLORY HOLDINGS, LTD. | — | BC1505094 | 2024-10-03 | Active | |
| OLD GLORY INN LTD. | — | BC0066195 | 1965-09-20 | Inactive | |
| OLD GLORY MINING COMPANY | — | FOR0000263 | — | Inactive | |
| OLD GLP LIMITED PARTNERSHIP | — | XP0442539 | 2007-01-30 | Active | |
| OLD GNOME CO | — | FM0818901 | 2020-10-02 | Active | |
| OLD GNOME GALLERY | — | FM0309490 | 2001-09-28 | Active | |
| OLD GNOME GALLERY | — | FM0198554 | 1996-05-02 | Inactive | |
| OLD GOAT CYCLEWORKS | — | FM0600553 | 2013-02-08 | Active | |
| OLD GOAT HANDCRAFTS LTD. | — | BC1203406 | 2019-04-01 | Inactive | |
| OLD GOAT LOG HAULING LTD. | — | BC1116506 | 2017-04-26 | Active | |
| OLD GOAT PHOTOGRAPHY | — | FM0275770 | 2000-03-08 | Active | |
| OLD GOLD APPAREL | — | FM0855230 | 2021-08-13 | Active | |
| OLD GOLD FLOORING | — | FM0536534 | 2010-08-18 | Active | |
| OLD GOLD OIL | — | FM0039221 | 1981-09-15 | Active | |
| OLD GOLD PRODUCTION | — | FM0681936 | 2016-02-24 | Active | |
| OLD GOLD QUARTZ AND PLACER MINING COMPANY LIMITED LIABILITY | — | QD0000506 | — | Inactive | |
| OLD GOLD SHOP (1973) LTD. | — | BC0120542 | 1973-07-27 | Inactive | |
| OLD GOLD VENTURES INC. | — | BC1180336 | 2018-09-21 | Active | |
| OLD GOLDSTREAM PROPERTIES LTD. | — | BC0745357 | 2006-01-10 | Inactive | |
| OLD GRAMS KITCHEN LIMITED | — | BC1088782 | 2016-09-07 | Inactive | |
| OLD GRANVILLE TOWNSITE INVESTMENT CORPORATION | — | BC0195067 | 1979-08-08 | Inactive | |
| OLD GRAY MARE STABLES | — | S0047818 | 2004-07-12 | Inactive | |
| OLD GREY CONSTRUCTION LTD. | — | BC0698029 | 2004-06-21 | Inactive | |
| OLD GREY POTTERY AND CRAFT WORKS | — | FM0280528 | 2000-05-15 | Active | |
| OLD GROSS HOUSE RESTAURANT LTD. | — | BC0147066 | 1976-03-29 | Inactive | |
| OLD GROWTH ADVANCED FOOT CARE | — | FM0860680 | 2021-10-17 | Active | |
| OLD GROWTH CANNABIS LTD. | — | BC1313990 | 2021-07-06 | Active | |
| OLD GROWTH CAPITAL CORP. | — | BC0656211 | 2002-10-11 | Inactive | |
| OLD GROWTH CARPENTRY | — | FM0841037 | 2021-04-12 | Active | |
| OLD GROWTH CONCRETE CONCEPTS | — | FM0272610 | 2000-01-06 | Active | |
| OLD GROWTH CONSERVANCY SOCIETY | — | S0051760 | 2007-02-05 | Active | |
| OLD GROWTH CONSULTING LTD. | — | BC0854653 | 2009-06-17 | Active | |
| OLD GROWTH COUNSELLING SERVICES INC. | — | BC1437866 | 2023-09-07 | Active | |
| OLD GROWTH ELECTRIC | — | FM0872907 | 2022-03-03 | Active | |
| OLD GROWTH FARM | — | FM0705446 | 2016-12-16 | Active | |
| OLD GROWTH GROUP LTD. | — | BC1563690 | 2025-11-18 | Active | |
| OLD GROWTH HOLDINGS LTD. | — | BC0703407 | 2004-09-02 | Inactive | |
| OLD GROWTH INVESTMENTS INC. | — | BC0759515 | 2006-06-01 | Inactive | |
| OLD GROWTH MASONRY | — | FM1023472 | 2023-08-15 | Active | |
| OLD GROWTH MECHANICAL LTD. | — | BC1183311 | 2018-10-17 | Inactive | |
| OLD GROWTH MEDIA | — | FM0882838 | 2022-06-08 | Active | |
| OLD GROWTH MOVING | — | FM0695279 | 2016-08-08 | Active | |
| OLD GROWTH MUSIC | — | FM1041639 | 2024-03-20 | Active | |
| OLD GROWTH ORGANICS INC. | — | BC0870888 | 2010-01-09 | Inactive | |
| OLD GROWTH PLANNING INC. | — | BC1151594 | 2018-02-02 | Inactive | |
| OLD GROWTH PROPERTIES LTD. | — | BC1231972 | 2019-12-01 | Active | |
| OLD GROWTH PROPERTIES LTD. | — | BC0556218 | 1997-12-18 | Inactive | |
| OLD GROWTH THERAPY | — | FM0815062 | 2020-08-25 | Active | |
| OLD GROWTH THERAPY INC. | — | BC1289363 | 2021-02-17 | Inactive | |
| OLD GROWTH TRADING COMPANY | — | FM0774230 | 2019-04-13 | Active | |
| OLD GROWTH TREE SERVICES LTD. | — | A0098139 | 2016-03-01 | Inactive | |
| OLD GROWTH WASH CO. INC. | — | BC1567288 | 2025-12-10 | Active | |
| OLD GROWTH WOOD SALVAGE AND SALES | — | FM0350017 | 2003-06-19 | Active | |
| OLD GROWTH WOODWORKING | — | FM0394485 | 2005-04-07 | Active | |
| OLD GUY ENTERPRISES LIMITED | — | BC0445294 | 1993-04-21 | Inactive | |
| OLD GUY REPAIRS | — | FM0313549 | 2001-12-07 | Active | |
| OLD GUYS HOCKEY SOCIETY | — | S0080747 | 2024-07-17 | Active | |
| OLD HABITS FERMENTATION CO INC. | — | BC1233653 | 2019-12-13 | Active | |
| OLD HAG RECORDS | — | FM0401303 | 2005-06-28 | Active | |
| OLD HAND COFFEE COMPANY | — | FM0635360 | 2014-05-30 | Inactive | |
| OLD HARRY PRODUCTIONS (1) INC. | — | BC1469268 | 2024-03-06 | Active | |
| OLD HARRY PRODUCTIONS (2) INC. | — | BC1530979 | 2025-03-11 | Active | |
| OLD HASTINGS CENTRE LTD. | — | BC0766178 | 2006-08-16 | Active | |
| OLD HAT CONSTRUCTION LTD. | — | BC0673906 | 2003-07-23 | Inactive | |
| OLD HEDLEY ROAD INN | — | FM0425974 | 2006-06-02 | Active | |
| OLD HEDLEY ROAD INN BNB | — | FM0852424 | 2021-07-08 | Active | |
| OLD HERITAGE GROVE HILL TRAINING CENTRE INC. | — | BC0178283 | 1978-07-25 | Inactive | |
| OLD HERITAGE RESTORATION CO. | — | FM0318744 | 2002-03-07 | Active | |
| OLD HI-WAY CONVENIENCE | — | FM0181852 | 1995-06-26 | Active | |
| OLD HICKORY BUILDINGS OF CANADA ULC | — | A0115543 | 2020-11-24 | Active | |
| OLD HIVE CREATIVE | — | FM0537217 | 2010-08-27 | Active | |