| COOK MACHINERY RENTALS LTD. | — | BC0059801 | — | Inactive | |
| COOK MARKETING INC. | — | BC0303606 | 1986-01-27 | Inactive | |
| COOK MARKETING LTD. | — | BC0089736 | — | Inactive | |
| COOK MASONRY | — | FM0839325 | 2021-03-30 | Active | |
| COOK MEDICAL BUILDING LTD. | — | BC0056543 | 1963-05-02 | Inactive | |
| COOK MOTORS LTD. | — | BC0090951 | 1969-12-17 | Inactive | |
| COOK N CLEAN SERVICES LTD. | — | BC1237671 | 2020-01-17 | Active | |
| COOK N' PAN POLISH DELICATESSEN INC. | — | C1104766 | 2017-01-23 | Active | |
| COOK NO MORE | — | FM0514568 | 2009-10-29 | Active | |
| COOK OFF PRODUCTIONS INC. | — | BC0914869 | 2011-07-07 | Inactive | |
| COOK ON THE BRIGHT SIDE | — | FM0824933 | 2020-11-25 | Active | |
| COOK ON THE GO | — | FM0381050 | 2004-09-23 | Active | |
| COOK PACKAGING SYSTEMS LTD. | — | BC0340647 | 1988-02-15 | Inactive | |
| COOK PERSONNEL REGISTRY LTD. | — | BC0081697 | — | Inactive | |
| COOK PLACE APTS. LTD. | — | BC0358226 | 1989-01-19 | Active | |
| COOK PLACE APTS. LTD. | — | BC0176605 | 1978-06-14 | Inactive | |
| COOK PSYCHOLOGICAL SERVICES | — | FM0677420 | 2015-12-31 | Active | |
| COOK PSYCHOLOGICAL SERVICES INC. | — | BC1569691 | 2025-12-23 | Active | |
| COOK PUBLIC RELATIONS INC. | — | BC0856498 | 2009-07-10 | Active | |
| COOK REAL ESTATE CORPORATION | — | BC0995736 | 2014-03-06 | Inactive | |
| COOK ROAD HOLDINGS LTD. | — | BC0057997 | 1963-09-30 | Inactive | |
| COOK ROAD MANAGEMENT INC. | — | BC0363355 | 1989-04-10 | Active | |
| COOK ROAD MASSAGE THERAPY CLINIC | — | FM0265122 | 1999-08-25 | Inactive | |
| COOK ROAD MASSAGE THERAPY INC. | — | BC0983630 | 2013-10-22 | Inactive | |
| COOK ROBERTS LLP | — | LL0000125 | 2006-01-03 | Active | |
| COOK SALES | — | FM0010970 | 1972-11-14 | Active | |
| COOK SERVICES (2014) CO. | — | FM0632869 | 2014-04-29 | Active | |
| COOK SHOPPE | — | FM0454462 | 2007-06-27 | Active | |
| COOK SMART APPLIANCES | — | FM0658579 | 2015-04-21 | Active | |
| COOK ST. DENTURE CLINIC LTD. | — | BC0370628 | 1989-08-09 | Active | |
| COOK ST. PROJECTS LTD. | — | BC1237509 | 2020-01-16 | Active | |
| COOK ST. VILLAGE HEALTH CENTRE | — | FM0426480 | 2006-06-08 | Active | |
| COOK ST. VILLAGE HEALTH CENTRE | — | FM0465881 | 2007-12-07 | Active | |
| COOK ST. VILLAGE PROFESSIONAL COUNSELLING | — | FM0385527 | 2004-11-30 | Active | |
| COOK STREET 1 HOLDINGS INC. | — | BC1295637 | 2021-03-21 | Active | |
| COOK STREET 2 HOLDINGS INC. | — | BC1295638 | 2021-03-21 | Active | |
| COOK STREET 3 HOLDINGS INC. | — | BC1295640 | 2021-03-21 | Active | |
| COOK STREET CASTLE BUILDING CENTRE | — | FM0140971 | 1993-03-12 | Active | |
| COOK STREET COMMUNITY MIDWIVES | — | FM0392526 | 2005-03-13 | Active | |
| COOK STREET COUNSELLING LTD. | — | BC0878177 | 2010-04-09 | Inactive | |
| COOK STREET DEVELOPMENTS LTD. | — | BC0461700 | 1994-01-05 | Inactive | |
| COOK STREET DINER LIMITED PARTNERSHIP | — | LP0050638 | 1983-11-25 | Active | |
| COOK STREET FOOD COUNTRY | — | FM0114217 | 1990-12-24 | Active | |
| COOK STREET GROCERY | — | FM0055467 | 1984-07-27 | Inactive | |
| COOK STREET GROCERY | — | FM0070192 | 1986-06-06 | Active | |
| COOK STREET HOME CENTRE | — | FM0065268 | 1985-11-26 | Active | |
| COOK STREET KIDS LTD. | — | BC1278421 | 2020-12-08 | Active | |
| COOK STREET MARKET PLACE | — | FM0044461 | 1982-10-26 | Inactive | |
| COOK STREET MARKETPLACE | — | FM0066818 | 1986-02-06 | Active | |
| COOK STREET MEDIATION | — | FM0397764 | 2005-05-16 | Active | |
| COOK STREET NAILS & SPA | — | FM0692660 | 2016-06-29 | Active | |
| COOK STREET PLAZA GP LTD. | — | BC1285156 | 2021-01-21 | Active | |
| COOK STREET PLAZA LIMITED PARTNERSHIP | — | LP0832117 | 2021-02-08 | Active | |
| COOK STREET PRODUCTIONS INC. | — | BC1115028 | 2017-04-12 | Active | |
| COOK STREET PROFESSIONAL BUILDING INC. | — | BC1097072 | 2016-11-18 | Active | |
| COOK STREET PROFESSIONAL CENTER | — | FM0532969 | 2010-07-02 | Active | |
| COOK STREET SOAP | — | FM0693007 | 2016-07-06 | Active | |
| COOK STREET UNITED FOOTBALL CLUB | — | S0074001 | 2020-11-16 | Inactive | |
| COOK STREET VENTURES LTD. | — | BC0771766 | 2006-10-16 | Active | |
| COOK STREET VILLAGE ACTIVITY CENTRE SOCIETY (NEW HORIZONS) | — | S0013946 | 1978-06-01 | Active | |
| COOK STREET VILLAGE BUSINESS ASSOCIATION | — | S0065400 | 2016-04-28 | Active | |
| COOK STREET VILLAGE HEALTH CENTRE LTD. | — | BC0987009 | 2013-11-30 | Inactive | |
| COOK STREET VILLAGE INTEGRATIVE HEALTH CO-OP | — | CP0002084 | 2010-01-27 | Inactive | |
| COOK STREET VILLAGE LASER | — | FM0463641 | 2007-11-05 | Active | |
| COOK STREET VILLAGE MARKET | — | FM0093975 | 1989-01-18 | Active | |
| COOK STREET VILLAGE MEDICAL CLINIC | — | FM0862684 | 2021-11-09 | Active | |
| COOK STREET VILLAGE MEDICAL CLINIC | — | FM0335653 | 2002-11-27 | Active | |
| COOK STREET VILLAGE SPA | — | FM0767840 | 2019-02-07 | Active | |
| COOK STREET VILLAGE SPA LTD. | — | BC1453761 | 2023-12-07 | Active | |
| COOK STREET VINTAGE | — | FM0837578 | 2021-03-15 | Active | |
| COOK STUDIO LTD. | — | BC0387110 | 1990-05-08 | Inactive | |
| COOK TELEPHONE COMPANY LTD. | — | BC0116322 | 1973-03-02 | Inactive | |
| COOK THE BOOKS BOOKKEEPING | — | FM1062397 | 2024-12-10 | Active | |
| COOK THE HOOD PUBLISHING | — | FM0487468 | 2008-10-02 | Active | |
| COOK TOWING & TRANSPORT | — | FM0491979 | 2008-12-12 | Active | |
| COOK TOWING INC. | — | BC0590263 | 1999-08-06 | Inactive | |
| COOK TRADING CO. | — | FM0270660 | 1999-11-24 | Active | |
| COOK TRANSPORT LTD. | — | BC0193236 | 1979-06-28 | Inactive | |
| COOK TRUCK PARTS LTD. | — | BC1130811 | 2017-08-18 | Inactive | |
| COOK WELL CATERING LTD. | — | BC1363048 | 2022-05-16 | Active | |
| COOK WITH ANNIE M | — | FM0791593 | 2019-11-05 | Active | |
| COOK WITH CLAY TRADING LTD. | — | BC1296020 | 2021-03-23 | Inactive | |
| COOK'EM CATERING | — | FM0708442 | 2017-01-25 | Active | |
| COOK'N CRANIES' COUNTRY CAFE | — | FM0360343 | 2003-11-27 | Active | |
| COOK'N SALES INC. | — | BC0712325 | 2004-12-24 | Inactive | |
| COOK'S APPLIANCE SERVICING | — | FM0031663 | 1979-09-04 | Active | |
| COOK'S APPLIANCE SERVICING | — | FM0029221 | 1978-11-02 | Active | |
| COOK'S BOOKKEEPING SERVICE | — | FM0745490 | 2018-04-23 | Active | |
| COOK'S BUILDINGS LTD. | — | BC0252279 | 1982-06-07 | Inactive | |
| COOK'S BUSINESS EXCHANGE LIMITED | — | BC0000251 | — | Inactive | |
| COOK'S BUSINESSWORKS & VENTURES INC. | — | BC0712783 | 2004-12-31 | Inactive | |
| COOK'S CARPET CARE | — | FM0053132 | 1984-04-02 | Active | |
| COOK'S CATERING | — | FM0430764 | 2006-08-08 | Active | |
| COOK'S CONSULTING & SERVICES | — | FM0228046 | 1997-10-07 | Active | |
| COOK'S COTTAGE RESORTS LTD. | — | BC0232225 | 1981-04-14 | Inactive | |
| COOK'S CUISINE | — | FM0133790 | 1992-08-24 | Active | |
| COOK'S CUISINE INC. | — | BC0558515 | 1998-01-28 | Inactive | |
| COOK'S DAY OFF FINE FOODS & CATERING (2017) LTD. | — | BC1120127 | 2017-05-24 | Inactive | |
| COOK'S DENT REPAIR | — | FM0504095 | 2009-06-03 | Active | |
| COOK'S ELECTRICAL SERVICE | — | FM0039972 | 1981-11-12 | Active | |
| COOK'S ELECTRICAL SERVICE (2006) LTD. | — | BC0772485 | 2006-10-23 | Active | |
| COOK'S ELECTRICAL SERVICES LTD. | — | BC0252329 | 1982-06-07 | Active | |
| COOK'S FARM | — | FM0011608 | 1973-03-06 | Active | |
| COOK'S FERRY HOLDINGS LIMITED | — | BC0071957 | 1966-11-30 | Inactive | |
| COOK'S FOLLY HOLDINGS INCORPORATED | — | BC0876982 | 2010-03-25 | Inactive | |
| COOK'S HAVEN KITCHEN & BATH SHOPPE | — | FM0045905 | 1983-02-08 | Active | |
| COOK'S HEALTHY SOLUTIONS | — | FM0816805 | 2020-09-11 | Active | |
| COOK'S HEATING LTD. | — | BC0080575 | 1968-07-02 | Inactive | |
| COOK'S INDUSTRIAL SERVICES | — | FM0307547 | 2001-08-23 | Active | |
| COOK'S IRONHORSE METAL CRAFTS LTD. | — | BC0930023 | 2012-01-13 | Inactive | |
| COOK'S KITCHEN | — | FM0885137 | 2022-07-04 | Active | |
| COOK'S MCCALLUM HILL INSURANCE BROKERS | — | FM0292531 | 2000-12-14 | Active | |
| COOK'S MCCALLUM HILL INSURANCE GENERAL PARTNER INC. | — | A0049500 | 1999-05-17 | Inactive | |
| COOK'S MOTEL (1965) LTD. | — | BC0063642 | 1965-03-03 | Inactive | |
| COOK'S MOTEL LIMITED | — | BC0034164 | — | Inactive | |
| COOK'S NOOK HOT DOG & SNACK BAR | — | FM0113724 | 1990-12-11 | Active | |
| COOK'S ORIGINAL ORGANIC INC. | — | BC0436522 | 1992-11-27 | Inactive | |
| COOK'S PAINT & AUTOBODY | — | FM0214894 | 1997-02-24 | Active | |
| COOK'S PHARMACY (ELKFORD) LTD. | — | BC0125926 | 1974-03-11 | Inactive | |
| COOK'S PHARMACY (SPARWOOD) LTD. | — | BC0180444 | 1978-09-20 | Inactive | |
| COOK'S PHARMACY LTD. | — | BC0094132 | 1970-06-15 | Inactive | |
| COOK'S PLAN SERVICE & DRAFTING LTD. | — | BC0135297 | 1975-03-03 | Inactive | |
| COOK'S QUARTERDECK RESTAURANTS LTD. | — | BC0211091 | 1980-06-09 | Inactive | |
| COOK'S SERVICES LTD. | — | BC0072360 | — | Inactive | |
| COOK'S SERVICES, INC. | — | A0095705 | 2015-06-15 | Active | |
| COOK'S SHEET METAL LTD. | — | BC0490457 | 1995-02-13 | Inactive | |
| COOK'S UPHOLSTERY | — | FM0468332 | 2008-01-18 | Active | |
| COOK, BAKE & WRAP | — | FM0890396 | 2022-09-18 | Active | |
| COOK, GREENE & HIEBERT COMMERCIAL SERVICES LTD. | — | BC0792181 | 2007-05-25 | Inactive | |
| COOK, GREENE, & HIEBERT COMMERCIAL SERVICES | — | FM0451712 | 2007-05-25 | Active | |
| COOK, KHAN AND ASSOCIATES | — | FM0332746 | 2002-10-11 | Inactive | |
| COOK, PICKERING & DOYLE LTD. | — | BC0083172 | 1968-11-28 | Inactive | |
| COOK, VOLEN AND COMPANY LIMITED | — | BC0019938 | — | Inactive | |
| COOK-A-DOODLE | — | FM0860258 | 2021-10-12 | Active | |
| COOK-A-ROUX | — | FM0730117 | 2017-10-05 | Active | |
| COOK-DOVELL CEMENT & CONSTRUCTION CO. LTD. | — | BC0047880 | — | Inactive | |
| COOK-EASY KITCHENS LTD. | — | BC0085078 | 1969-03-07 | Inactive | |
| COOK-NEWHOUSE & ASSOCIATES, INC. | — | A0036352 | 1992-11-30 | Inactive | |
| COOK-PANDORA PHYSIOTHERAPY ORTHOPAEDIC AND SPORTS CLINIC | — | FM0089474 | 1988-07-19 | Active | |
| COOKANDCREATE | — | FM0794258 | 2019-12-11 | Active | |
| COOKART AUTHENTIC WARE INC. | — | BC0363036 | 1989-04-06 | Active | |
| COOKATA ROBOTICS SOLUTIONS CORP. | — | BC1405936 | 2023-03-16 | Active | |
| COOKBOOK PUBLISHING INC. | — | BC0979881 | 2013-09-09 | Inactive | |
| COOKCAP | — | FM1024650 | 2023-08-30 | Active | |
| COOKCO HOLDINGS INC. | — | BC0835302 | 2008-09-18 | Inactive | |
| COOKE AGENCIES LTD. | — | A0129800 | 2023-11-03 | Inactive | |
| COOKE AGENCY | — | FM0551532 | 2011-03-09 | Active | |
| COOKE AIR LTD. | — | BC0307595 | 1986-04-14 | Inactive | |
| COOKE AVENUE HAIR DESIGN | — | FM0362885 | 2004-01-12 | Active | |
| COOKE COMPUTER CONTRACTING | — | FM0386651 | 2004-12-17 | Active | |
| COOKE CONSTRUCTION | — | FM0006667 | 1970-08-21 | Active | |
| COOKE CONSTRUCTION | — | FM0736310 | 2017-12-30 | Active | |
| COOKE CONSTRUCTION LTD. | — | BC0147727 | 1976-04-20 | Inactive | |
| COOKE COUNTY SPORT HUNTS LTD. | — | BC0342702 | 1988-03-24 | Inactive | |
| COOKE DEVELOPMENT CORP. | — | BC0216006 | 1980-09-10 | Inactive | |
| COOKE DRYWALL LTD. | — | BC0230759 | 1981-03-30 | Inactive | |
| COOKE ENTERPRISES 1996 | — | FM0210289 | 1996-11-22 | Active | |
| COOKE ENTERPRISES LTD. | — | BC0596267 | 1999-11-23 | Inactive | |
| COOKE FIBERGLASS | — | FM0105677 | 1990-03-15 | Active | |
| COOKE GEOLOGICAL CONSULTANTS LTD. | — | BC0290379 | 1985-03-27 | Inactive | |
| COOKE GEOMATICS INC. | — | BC1359971 | 2022-04-27 | Active | |
| COOKE HOLDINGS CORP. | — | BC1054850 | 2015-11-09 | Active | |
| COOKE HOLDINGS LTD. | — | BC0121769 | 1973-09-13 | Inactive | |
| COOKE HOLDINGS LTD. | — | BC0030415 | — | Inactive | |
| COOKE INSURANCE AGENCIES INC. | — | BC0137846 | 1975-05-26 | Inactive | |
| COOKE INVESTMENTS LTD. | — | BC0629863 | 2001-06-22 | Active | |
| COOKE INVESTMENTS LTD. | — | BC1602739 | 2026-08-06 | Active | |
| COOKE LANDSCAPING | — | FM0777115 | 2019-05-15 | Active | |
| COOKE LIFE INSURANCE AGENCIES INC. | — | BC0204760 | 1980-02-15 | Inactive | |
| COOKE LUMBER CO., LTD. | — | BC0252068 | 1982-05-31 | Inactive | |
| COOKE LUMBER CO., LTD. | — | BC0039295 | 1957-07-03 | Inactive | |
| COOKE MARKETING | — | FM1016276 | 2023-05-10 | Active | |
| COOKE MARKETING INC. | — | BC0547773 | 1997-07-30 | Inactive | |
| COOKE MECHANICAL SERVICES | — | FM0151519 | 1993-10-29 | Active | |
| COOKE MECHANICAL SERVICES LTD. | — | BC0742180 | 2005-12-03 | Inactive | |
| COOKE MUFFLER LTD. | — | BC0186850 | 1979-02-20 | Inactive | |
| COOKE OFFSHORE RESOURCES LTD. | — | A0018070 | 1981-05-06 | Inactive | |
| COOKE YACHT SERVICES | — | FM0317261 | 2002-02-14 | Active | |
| COOKE YUKON SYNDICATE EXPLORATION LIMITED PARTNERSHIP | — | LP0100250 | 1989-08-22 | Active | |
| COOKE&SONS MECHANICAL LTD. | — | BC1034772 | 2015-04-27 | Active | |
| COOKE'S CHEAP TICKETS INC. | — | BC0386160 | 1990-04-25 | Inactive | |
| COOKE'S CUSTOM DECALS | — | FM0471680 | 2008-02-28 | Active | |
| COOKE'S TRANSMISSION & DIFFERENTIALS | — | FM0015882 | 1974-05-07 | Active | |
| COOKE-DALLIN CONSULTING | — | FM0169101 | 1994-10-25 | Active | |
| COOKE-WILSON & ASSOCIATES INC. | — | BC0347030 | 1988-06-15 | Inactive | |
| COOKED FOODS LIMITED | — | BC0012870 | — | Inactive | |
| COOKED IN HEAVEN CATERING LTD. | — | BC1145933 | 2017-12-20 | Active | |
| COOKED-UP MOTION PICTURES | — | FM0497573 | 2009-03-10 | Active | |
| COOKEE ENTERPRISES | — | FM0265040 | 1999-08-24 | Active | |
| COOKER BOY ENTERPRISES | — | FM0228172 | 1997-10-10 | Active | |
| COOKFAMILYRENTALS | — | FM0847856 | 2021-06-04 | Active | |
| COOKHAVEN BED & BREAKFAST | — | FM0068137 | 1986-03-25 | Active | |
| COOKHOUSE ENTERPRISES | — | FM0346776 | 2003-05-05 | Active | |
| COOKHOUSE MEDIA | — | FM0617937 | 2013-10-03 | Active | |
| COOKICO CULINARY SUPPLIES LTD. | — | BC1287579 | 2021-02-04 | Inactive | |
| COOKICORP ENTERPRISES LTD. | — | BC0262479 | 1983-04-08 | Inactive | |
| COOKIE & BEANS | — | FM0665446 | 2015-07-14 | Active | |
| COOKIE & MILK'S CAFE INC. | — | BC1129495 | 2017-08-08 | Active | |
| COOKIE AND BISCUIT BAKE SHOP | — | FM1012882 | 2023-03-31 | Active | |
| COOKIE AND LEMON BOUTIQUES CO. | — | FM0739652 | 2018-02-07 | Active | |