| CommTalk 1553599 · TMA868619 | Oldham Engineers Incorporated | 9 Electronics37 Construction40 Treatment+2 | Registered | 2014 |
| CANDEAL 1522195 · TMA835759 · design | CanDeal Markets Inc. | 36 Finance38 Telecommunications | Registered | 2012 |
| CUNDILL 1245883 · TMA681095 | MACKENZIE FINANCIAL CORPORATION | 36 Finance | Registered | 2007 |
| CONTAL 0683972 · TMA398587 | CONTALITEC INFORMATIQUE INC. | 9 Electronics42 Science | Registered | 1992 |
| CSMETAL 2236819 · design | CSMETAL iSTANBUL DEMiR ÇELiK SANAYi VE TiCARET LiMiTED SiRKETi | 6 Metal | Pending | 2022 |
| CANDYOLOGIST 2234773 · TMA1259720 | Jazi Brands Inc. | 35 Advertising | Registered | 2024 |
| Condyluri 2182594 · TMA1230336 | an individual | 14 Jewellery | Registered | 2024 |
| CANEEDLE 2159866 · TMA1233401 | ConvaTec Inc. | 5 Pharmaceuticals10 Medical | Registered | 2024 |
| CANDLELIGHT 2109604 · TMA1250767 | Red Slate Brands LLC | 28 Toys | Registered | 2024 |
| Cyndiluye 2079374 · TMA1181497 | Guangzhou Shoujia Electronics Technology Co., Ltd. | 14 Jewellery | Registered | 2023 |
| CANADEL 2032358 · TMA1141269 | Premier Anti-Aging Co. Ltd. | 3 Cosmetics | Registered | 2022 |
| CANTUILA 1999904 · TMA1195144 | 96 CAPITAL (PTY) LTD | 33 Wine | Registered | 2023 |
| CANDELA 1924325 · TMA1124162 · design | Candela Corporation | 10 Medical | Registered | 2022 |
| COUNTYLINE 1911691 · TMA1109668 | Tractor Supply Co. of Texas, LP | 4 Oils6 Metal7 Machines+5 | Registered | 2021 |
| CANTALK 1902519 · TMA1115779 · design | CANTALK (CANADA) INC. | 9 Electronics16 Paper35 Advertising+3 | Registered | 2021 |
| CANTALK 1902518 · TMA1115778 | CANTALK (CANADA) INC. | 9 Electronics16 Paper35 Advertising+2 | Registered | 2021 |
| Contiline 1895970 · TMA1098029 | ROBERT BOSCH GMBH | 7 Machines | Registered | 2021 |
| CANTEL 1894083 · TMA1148402 · design | Cantel Medical Corp. | 1 Chemicals3 Cosmetics5 Pharmaceuticals+8 | Registered | 2022 |
| CentoHealth 1882371 · TMA1093688 | Centogene GmbH | 5 Pharmaceuticals35 Advertising42 Science+1 | Registered | 2021 |
| CANNATALK 1847923 · TMA1018099 | an individual | 9 Electronics16 Paper41 Education+1 | Registered | 2019 |
| CANDELABRA 1812916 · TMA1003589 | Curoplant Company Ltd. | 31 Fresh | Registered | 2018 |
| CANATOOLS 1802361 · TMA1005313 | CANAWELD INC. | 6 Metal7 Machines9 Electronics+4 | Registered | 2018 |
| CANTEL 1800554 · TMA1096280 | Cantel Medical Corp. | 1 Chemicals3 Cosmetics5 Pharmaceuticals+6 | Registered | 2021 |
| Camdolls 1774357 · TMA974916 | Owner not shown | 38 Telecommunications41 Education | Registered | 2017 |
| CANDELA 1773727 · TMA987915 | an individual | 14 Jewellery | Registered | 2018 |