| CIMETECH 2256049 · TMA1237812 | Groupe Gestion Onsteel Inc. | 37 Construction42 Science | Registered | 2024 |
| CONTACKGLUE 2224764 · TMA1250115 · design | HIGH PERFORMANCE MANUFACTURING, LLC. | 1 Chemicals | Registered | 2024 |
| CONTIGO 2223537 · TMA1256475 | The Coleman Company, Inc. | 21 Housewares | Registered | 2024 |
| CEMOTOCN 2214353 · TMA1244390 | CEMOTO LTD | 12 Vehicles | Registered | 2024 |
| CONTESSA 2189867 · TMA1233644 | THOR TECH, INC. | 12 Vehicles | Registered | 2024 |
| CanaTech 2185774 · TMA1231507 | GTA Sign Depot Inc | 7 Machines | Registered | 2024 |
| CentiSpace 2176227 · TMA1280662 | Beijing Future Navigation Technology Co. Ltd. | 39 Transport | Registered | 2025 |
| CANDEX 2158182 · TMA1193954 | Dexx Technologies, Inc. | 42 Science | Registered | 2023 |
| Cumdies 2153785 · TMA1207616 | AK Selections Inc | 25 Clothing | Registered | 2023 |
| CONTUCCI 2153154 · TMA1254823 | Owner not shown | 33 Wine | Registered | 2024 |
| CENTESSA 2143268 · TMA1228847 | Centessa Pharmaceuticals PLC | 5 Pharmaceuticals10 Medical42 Science+1 | Registered | 2024 |
| CANDYKO 2140306 · TMA1262634 | Hotel Lotte Co. Ltd. | 38 Telecommunications | Registered | 2024 |
| 1 800 CONTACTS 2140012 · TMA1236998 | 1-800 CONTACTS, Inc. | 9 Electronics42 Science | Registered | 2024 |
| CMTECK 2121116 · TMA1186428 | Shenzhen Zhimeitai Technology Co. Ltd. | 9 Electronics | Registered | 2023 |
| CONNTACT 2119361 · TMA1217076 | Xenon Arc, Inc. | 42 Science | Registered | 2024 |
| COMMOUDS 2113610 · TMA1193488 | an individual | 27 Carpets | Registered | 2023 |
| CINNADUST 2102725 · TMA1174995 | General Mills IP Holdings II, LLC | 30 Coffee43 Restaurants | Registered | 2023 |
| CENTSIBLE 2093581 · TMA1171425 · design | an individual | 11 Lighting16 Paper | Registered | 2023 |
| coomatec 2093031 · TMA1172441 | Shenzhen Abilee Technology Co. Ltd. | 10 Medical | Registered | 2023 |
| CantaGreen 2089810 · TMA1236874 | Yiwu Duchuang E-business Co., Ltd. | 21 Housewares | Registered | 2024 |
| CONTACSAFE 2081602 · TMA1178973 | an individual | 16 Paper | Registered | 2023 |
| CONTACSAFE 2081589 · TMA1178972 | an individual | 40 Treatment | Registered | 2023 |
| CANADACONNECT 2079173 · TMA1159757 | GlobalConnect, LLC | 35 Advertising36 Finance | Registered | 2023 |
| CHANTIASALES 2047048 · TMA1151714 | 1252883 Ontario Inc. | 3 Cosmetics5 Pharmaceuticals7 Machines+8 | Registered | 2022 |
| CANMEDIC 2043887 · TMA1276986 · design | Canmedic Medical Technology Inc. | 10 Medical | Registered | 2024 |