| Crimson 2213832 · TMA1243204 | Per Vices Corporation | 9 Electronics | Registered | 2024 |
| CRIMSON 1884075 · TMA1088678 | Red Lion Controls, Inc. a Pennsylvania corporation | 9 Electronics | Registered | 2020 |
| CRIMSON 1820126 · TMA1065891 | Canadian Tire Corporation, Limited | 9 Electronics16 Paper35 Advertising+1 | Registered | 2019 |
| CRIMSON 1692317 · TMA942108 | Ergo Chef, LLC | 8 Hand | Registered | 2016 |
| CRIMSON 1324134 · TMA712549 | Winfield Solutions, LLC | 1 Chemicals | Registered | 2008 |
| CRIMSON 2244638 | Owner not listed | 1 Chemicals5 Pharmaceuticals | Pending | 2023 |
| CRIMECAST 2199526 · TMA1220792 | Cap Index, Inc. | 35 Advertising42 Science | Registered | 2024 |
| CRIMES 1861217 · TMA1069165 | Rothbury Wines Pty Ltd | 32 Beer33 Wine | Registered | 2020 |
| CRIMZEN 1803955 · TMA1054582 | LOST CRAFT INC. | 32 Beer33 Wine35 Advertising | Registered | 2019 |
| CROMSON 1752070 · TMA974657 | Ficodis inc. | 3 Cosmetics5 Pharmaceuticals7 Machines+3 | Registered | 2017 |
| CRIMECRAFT 1322634 · TMA752851 | Vogster Entertainment LLC | 9 Electronics | Registered | 2009 |
| CROMAGNON 2015028 · TMA1181158 · design | an individual | 3 Cosmetics | Registered | 2023 |
| CRIMESURE 1542400 · TMA885351 | LIBERTY MUTUAL INSURANCE COMPANY | 36 Finance | Registered | 2014 |
| CERAMICOR 0845807 · TMA515554 | Cendres+Métaux Holding SA | 6 Metal19 Building | Registered | 1999 |
| CRIMESTAT 0918763 | THE CITY OF WINNIPEG | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2008 |
| CHROMACLONE 0742920 · TMA449044 | ULTRADENT PRODUCTS, INC. A CORPORATION OF UTAH | 1 Chemicals5 Pharmaceuticals | Registered | 1995 |
| ChurnZero 2263826 · TMA1283339 | ChurnZero, Inc. | 9 Electronics42 Science | Registered | 2025 |
| CHROMAGLOW 2252437 · TMA1272831 | Big Star Lights Canada Inc. | 11 Lighting35 Advertising | Registered | 2024 |
| Cornstock 2240622 · TMA1261516 | an individual | 35 Advertising41 Education | Registered | 2024 |
| CHROMASILK 2240469 · TMA1240513 | Owner not listed | 3 Cosmetics | Registered | 2024 |
| CHROMAKEY 2238537 · TMA1258330 | an individual | 42 Science44 Medical | Registered | 2024 |
| CrankLoc 2234832 · TMA1256737 | Apex Oilfield Equipment (Qingdao) Co., Ltd. | 7 Machines | Registered | 2024 |
| crownslota 2221986 · TMA1248679 | Beijing Guanduo Network Technology Co., Ltd. | 9 Electronics | Registered | 2024 |
| cyrank 2220120 · TMA1247003 | an individual | 21 Housewares | Registered | 2024 |
| CHROMOCYMATICS 2212387 · TMA1244214 · design | an individual | 44 Medical | Registered | 2024 |