| E-COST 1867663 · TMA1074491 | an individual | 35 Advertising42 Science | Registered | 2020 |
| TRUE COST 1797486 · TMA991645 | FNF Intellectual Property Holdings, Inc. a Delaware corporation | 36 Finance45 Legal | Registered | 2018 |
| COST PLUS 0830609 · TMA613481 | World Market Management Services, LLC | 35 Advertising | Registered | 2004 |
| Real Cost 2273553 | an individual | 9 Electronics42 Science | Pending | 2023 |
| ZERO COST 2027035 | LES SERVICES FINANCIERS ANDRE AZZI INC. | 36 Finance | Pending | 2020 |
| COST SMART 1652653 · TMA898322 | COLLECTIVE BARGAINING SERVICES CORPORATION | 9 Electronics14 Jewellery16 Paper+4 | Registered | 2015 |
| COST ASSURE 1450302 · TMA772817 | TELUS Corporation | 38 Telecommunications | Registered | 2010 |
| COST CUTTERS 0674841 · TMA422159 | THE BARBERS, HAIRSTYLING FOR MEN & WOMEN, INC. | 3 Cosmetics44 Medical | Registered | 1994 |
| COST-O-METER 2072619 | Owner not shown | 36 Finance42 Science | Pending | 2020 |
| COST CANNABIS 2224815 · TMA1251186 | Tirthankar Limited | 35 Advertising | Registered | 2024 |
| COST PER PAGE 0827261 · TMA484866 | LaserNetworks Inc./ Reseaulaser Net Inc. | 37 Construction42 Science | Registered | 1997 |
| Tires at Cost 1945158 | 1223464 B.C. Ltd. | 12 Vehicles | Pending | 2019 |
| COST ARCHEOLOGY 1237311 · TMA703622 | an individual | 9 Electronics35 Advertising | Registered | 2007 |
| COST LEADERSHIP 0901726 | The Saskatchewan Research Council | All goods and services | Protected | 1984 |
| Food Cost Studio 1729198 · TMA928871 | an individual | 9 Electronics35 Advertising41 Education | Registered | 2016 |
| GREEN AT NO COST 2229842 | GreenLight Project Analysis and Development, Inc. | 42 Science | Pending | 2022 |
| TRUE COST OF FUEL 1398156 · TMA743677 | 4Refuel Canada LP | 1 Chemicals4 Oils35 Advertising+2 | Registered | 2009 |
| Z COST MANAGEMENT 1362874 · TMA772623 · design | Zcost Management société à responsabilité limitée | 9 Electronics42 Science | Registered | 2010 |
| TLC TOTAL LOWER COST 0682309 · TMA406176 · design | Sobeys Capital Incorporated | 35 Advertising | Registered | 1992 |
| LO-COST SALES-RENTAL 2344332 · design | Owner not listed | 35 Advertising36 Finance37 Construction+2 | Pending | 2024 |
| ALL IT COST WAS EFFORT 2214952 · TMA1244460 | an individual | 25 Clothing | Registered | 2024 |
| CLOUDABILITY TRUE COST 1899776 · TMA1085883 | INTERNATIONAL BUSINESS MACHINES CORPORATION | 42 Science | Registered | 2020 |
| COST PLUS WORLD MARKET 1282256 · TMA704488 | World Market Management Services, LLC | 35 Advertising | Registered | 2008 |
| The Cost of Indecision 2285764 | Papillon MDC Inc. | 44 Medical | Pending | 2023 |
| COST U LESS BIG O TIRES 0761237 · TMA484761 · design | Big O Tires, LLC a Nevada limited liability company | 35 Advertising37 Construction42 Science | Registered | 1997 |