| COWGURT 2158640 · TMA1232262 | FONTERRA TM LIMITED | 5 Pharmaceuticals31 Fresh | Registered | 2024 |
| COSWORTH 2030764 · TMA1215842 | Cosworth Group Holdings Limited | 7 Machines9 Electronics12 Vehicles+2 | Registered | 2023 |
| CHIQUERID 2252009 · TMA1270186 · design | HONOREU LLC | 25 Clothing | Registered | 2024 |
| Cocreator 2201379 · TMA1239757 | CABICO IP HOLDINGS INC. | 9 Electronics | Registered | 2024 |
| CYCEARTH 2139342 · TMA1199073 | Guangzhou Zichuan Trading Co. Ltd. | 12 Vehicles | Registered | 2023 |
| Cesriter 2050322 · TMA1181311 | Ningbo Mizhihe Import & Export Co. Ltd. | 25 Clothing | Registered | 2023 |
| COCREATOR 2040326 · TMA1240832 | CABICO IP HOLDINGS INC. | 9 Electronics | Registered | 2024 |
| COUGHGUARD 2022651 · TMA1141196 · design | Thredz Textiles Inc. | 3 Cosmetics9 Electronics | Registered | 2022 |
| Casarte 1930052 · TMA1113981 | Haier Group Corporation | 7 Machines9 Electronics11 Lighting | Registered | 2021 |
| COWCREDITS 1865282 · TMA1136810 | MOOTRAL SA | 31 Fresh36 Finance41 Education+1 | Registered | 2022 |
| COGRIDOR 1846329 · TMA1080517 | TauRx Therapeutics Ltd | 5 Pharmaceuticals | Registered | 2020 |
| COCOART 1793861 · TMA988405 · design | an individual | 29 Meat30 Coffee | Registered | 2018 |
| CO2CRETE 1710229 · TMA1027329 | CarbonCure Technologies Inc. | 7 Machines19 Building37 Construction+1 | Registered | 2019 |
| CIGORETTE 1681274 · TMA915546 · design | an individual | 34 Tobacco35 Advertising | Registered | 2015 |
| CHAKRADANCE 1657424 · TMA912931 | Chakradance Pty Ltd. | 9 Electronics16 Paper41 Education+1 | Registered | 2015 |
| CIAOCARD 1627124 · TMA910553 · design | Luigi D'Astolfo 'Trading As' - International Photo Imaging, Photoprix Inc. | 9 Electronics35 Advertising | Registered | 2015 |
| CashGard 1615392 · TMA929569 | COINAMATIC CANADA INC. | 6 Metal | Registered | 2016 |
| CEASART 1612501 · TMA943294 | an individual | 5 Pharmaceuticals10 Medical | Registered | 2016 |
| COCREATRIX 1601927 · TMA889707 | Cocreatrix Enterprise Inc. | 35 Advertising38 Telecommunications41 Education+2 | Registered | 2014 |
| COQHEART 1589109 · TMA895654 | SHAKLEE CORPORATION | 5 Pharmaceuticals | Registered | 2015 |
| COXARTHRUM 1537465 · TMA854697 | Owner not shown | 5 Pharmaceuticals10 Medical | Registered | 2013 |
| CASHREADY 1487854 · TMA854579 | BMO Life Assurance Company | 36 Finance | Registered | 2013 |
| COGRUET 1371250 · TMA766878 | Owner not shown | 29 Meat | Registered | 2010 |
| cocreatorship 1363707 · TMA779024 | 6752632 Canada Inc. | 41 Education | Registered | 2010 |
| COCOEARTH 1059051 · TMA558125 | Hydrofarm, LLC | 1 Chemicals | Registered | 2002 |