| COMARKER 1408119 · TMA756907 | ACOVAN LANGUAGE SERVICES INC. | 42 Science | Registered | 2010 |
| Comarkis 2223175 · TMA1248805 | Shenzhen Yibo Electronic Commerce Co. Ltd. | 27 Carpets | Registered | 2024 |
| COMMERCE 1349500 · TMA767875 | Veritiv Operating Company | 16 Paper | Registered | 2010 |
| COMARK 0679314 · TMA409745 · design | Fluke Corporation | 9 Electronics | Registered | 1993 |
| COMMERCE 0664475 · TMA392334 | Global Total Office (an Ontario limited partnership) | 20 Furniture | Registered | 1991 |
| COMARK 0485783 · TMA275702 | Comark Holdings Inc. | 35 Advertising36 Finance39 Transport+1 | Registered | 1983 |
| COMARK 2079792 | Fluke Corporation | 9 Electronics | Pending | 2021 |
| COMRZOR 2077019 | an individual | 9 Electronics | Pending | 2021 |
| CONWORX 2039257 | an individual | 37 Construction | Pending | 2020 |
| CUMARK 2249777 · TMA1282958 · design | Shenzhen Cumark Sci. & Tech. Co. Ltd. | 9 Electronics | Registered | 2025 |
| CANREJU 2206658 · TMA1242736 | Owner not shown | 3 Cosmetics5 Pharmaceuticals | Registered | 2024 |
| CHIMERIX 2194042 · TMA1220724 | Chimerix, Inc. | 5 Pharmaceuticals | Registered | 2024 |
| ChainRags 2157783 · TMA1209874 | an individual | 25 Clothing35 Advertising | Registered | 2023 |
| CANNRX 2153577 · TMA1208661 | My Spark Inc. | 9 Electronics | Registered | 2023 |
| CANEROCK 2095229 · TMA1173616 | THE WEST INDIES RUM DISTILLERY LIMITED | 33 Wine | Registered | 2023 |
| CHAMRIOSE 2093041 · TMA1211791 | BRISTOL-MYERS SQUIBB COMPANY | 5 Pharmaceuticals | Registered | 2023 |
| CameraCubeChip 2085276 · TMA1147060 | OmniVision Technologies, Inc. | 9 Electronics | Registered | 2022 |
| CHIMERYS 2074473 · TMA1207109 | MSAID GmbH | 9 Electronics35 Advertising42 Science | Registered | 2023 |
| CANNERGY 2064301 · TMA1156367 · design | MEILLEURE HEMP HOLDING LIMITED | 25 Clothing30 Coffee32 Beer+3 | Registered | 2022 |
| CANROSE 2039665 · TMA1166523 · design | Canex Chem Inc | 1 Chemicals4 Oils | Registered | 2023 |
| CannaHorse 2027022 · TMA1266143 | CannaHorse, Inc. | 5 Pharmaceuticals | Registered | 2024 |
| CANNAWORX 2009918 · TMA1260712 | an individual | 5 Pharmaceuticals | Registered | 2024 |
| ChemRest 1913050 · TMA1068594 | SHOWA GLOVE CO. a legal entity | 9 Electronics | Registered | 2020 |
| CNRG 1877329 · TMA1075048 | THE HEIL CO. | 12 Vehicles | Registered | 2020 |
| CANRIG 1826457 · TMA1120650 | Canrig Drilling Technology Ltd. | 6 Metal7 Machines9 Electronics+6 | Registered | 2022 |