| COREENERGY 1922230 · TMA1110724 · design | CORE Technology Kabushiki Kaisha, trading as CORE Technologies Co. Ltd. | 25 Clothing | Registered | 2021 |
| CHRONERGY 1656162 · TMA922101 | ROLEX SA | 14 Jewellery | Registered | 2015 |
| CUORENERO 1993584 · TMA1135563 · design | an individual | 30 Coffee | Registered | 2022 |
| CORNER 1724953 · TMA939025 | an individual | 43 Restaurants | Registered | 2016 |
| CornerM 2274981 | an individual | 12 Vehicles16 Paper | Pending | 2023 |
| CORNROX 1820211 · TMA1071200 | Vibes Audio, LLC | 9 Electronics28 Toys | Registered | 2020 |
| CORNERMAX 1568267 · TMA864438 | Slingmax, Inc. a Pennsylvania corporation | 20 Furniture | Registered | 2013 |
| 3CORNER 1391230 · TMA743489 | TREND ENTERPRISES, INC., A Minnesota corporation | 28 Toys | Registered | 2009 |
| CREMEROL 0733256 · TMA460412 | The Lubrizol Corporation (an Ohio corporation) | 1 Chemicals | Registered | 1996 |
| CREMER 0470872 · TMA277997 · design | Owner not shown | 5 Pharmaceuticals | Registered | 1983 |
| Cherryamaru 2259536 · TMA1281092 | an individual | 25 Clothing | Registered | 2025 |
| CHARMARTISTRY 2248269 · TMA1267304 | 12372444 Canada Inc. | 3 Cosmetics9 Electronics16 Paper+4 | Registered | 2024 |
| Carmyra 2141131 · TMA1205113 | ShenZhenCity Carmyra Trading Company Ltd. | 7 Machines | Registered | 2023 |
| CUREMARK 2119362 · TMA1231016 | Curemark, LLC | 5 Pharmaceuticals42 Science44 Medical | Registered | 2024 |
| Chrymeral 2079373 · TMA1180213 | Guangzhou Shoujia Electronics Technology Co., Ltd. | 11 Lighting | Registered | 2023 |
| CHARMIRAL 2058432 · TMA1170919 | Dongfang Modao (Beijing) Technology Co. Ltd. | 25 Clothing | Registered | 2023 |
| CORNERSTONE 2033417 · TMA1183543 | Owner not shown | 1 Chemicals9 Electronics11 Lighting+1 | Registered | 2023 |
| CORNERSTONE 2012322 · TMA1145528 | Ecolab USA, Inc. | 3 Cosmetics | Registered | 2022 |
| CHROMAWERX 2007929 · TMA1271996 | LumenWerx ULC | 9 Electronics | Registered | 2024 |
| CORNERFIELD 1982012 · TMA1124272 | Cornerfield Wine Co. Ltd. | 32 Beer33 Wine40 Treatment+1 | Registered | 2022 |
| CROMARGAN 1942737 · TMA1161873 | WMF GmbH | 7 Machines9 Electronics11 Lighting+1 | Registered | 2023 |
| Carmercial 1914463 · TMA1092833 | DRIVERTISE ADVERTISING CANADA INC. | 35 Advertising | Registered | 2021 |
| CERAMOR 1863441 · TMA1029495 | INTERFACE INC. | 19 Building | Registered | 2019 |
| CHROMAWERX 1841699 · TMA1004983 · design | LumenWerx ULC | 11 Lighting | Registered | 2018 |
| CERMER 1830913 · TMA1004186 | an individual | 21 Housewares | Registered | 2018 |