| CONTRANS 1208895 · TMA640720 | TForce Holdings Inc. | 37 Construction39 Transport41 Education | Registered | 2005 |
| CINTRÓN 1539015 · TMA866864 · design | Cintron Beverage Group, LLC | 30 Coffee32 Beer | Registered | 2013 |
| CENTRACS 1426930 · TMA778315 | Econolite Group, Inc., a California corporation | 9 Electronics | Registered | 2010 |
| CINTRON 1384820 · TMA805905 | Cintron Beverage Group, LLC | 30 Coffee32 Beer | Registered | 2011 |
| CANATRANS 0812926 · TMA508970 | Lentequip Inc. | 9 Electronics | Registered | 1999 |
| CENTRAYS 0497717 · TMA283709 | Young Dental Manufacturing I, LLC | 10 Medical | Registered | 1983 |
| COINTRACKING 2259771 · design | CoinTracking GmbH | 9 Electronics35 Advertising42 Science | Pending | 2022 |
| CONTRAST 2249451 · TMA1267406 | 2612363 ONTARIO LIMITED | 9 Electronics35 Advertising36 Finance+4 | Registered | 2024 |
| CENTRIOS 2169835 · TMA1257774 | ASSA ABLOY Inc. | 9 Electronics35 Advertising42 Science | Registered | 2024 |
| CENTRALL 2124156 · TMA1216188 · design | Centrall Inc. | 25 Clothing35 Advertising | Registered | 2023 |
| CENTRAK 2118134 · TMA1226815 | CenTrak Inc. | 9 Electronics42 Science45 Legal | Registered | 2024 |
| CENTRAL 2060598 · TMA1208209 · design | Intertrade Solutions, Inc. | 34 Tobacco | Registered | 2023 |
| CENTRIOS 2029730 · TMA1117003 | Thermo Fisher Scientific Inc. | 9 Electronics | Registered | 2022 |
| CONTRA 1992686 · TMA1275139 | KONAMI DIGITAL ENTERTAINMENT CO., LTD., a legal entity | 9 Electronics16 Paper28 Toys+1 | Registered | 2024 |
| CONTRA 1956398 · TMA1220908 | Valens Agritech Ltd. | 34 Tobacco | Registered | 2024 |
| COINTREAU 1920125 · TMA1131406 · design | COINTREAU | 32 Beer33 Wine43 Restaurants | Registered | 2022 |
| CENTRACK 1916927 · TMA1094860 | ARXIUM, Inc. | 9 Electronics | Registered | 2021 |
| CENTRATE 1860714 · TMA1038640 | Zoetis Services LLC | 10 Medical | Registered | 2019 |
| CENTRIS 1813786 · TMA1003283 | FAM a joint stock company | 7 Machines | Registered | 2018 |
| CENTRAL 1792680 · TMA989031 · design | an individual | 20 Furniture24 Textiles | Registered | 2018 |
| CONTRAM 1781218 · TMA1052520 | Lubrizol Deutschland GmbH | 5 Pharmaceuticals | Registered | 2019 |
| CanTrade 1772121 · TMA962499 | an individual | 35 Advertising | Registered | 2017 |
| CENTRAL 1768384 · TMA986013 | Intertape Polymer Corp. (Delaware corporation) | 16 Paper17 Rubber | Registered | 2017 |
| CENTRA 1736903 · TMA1096592 | Centra Construction Group Ltd. | 6 Metal19 Building37 Construction+1 | Registered | 2021 |
| CENTRUS 1735825 · TMA1012285 | TOTAL PRICING SYSTEMS INC. | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2019 |