| 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 |
| CROMAGNON 2015028 · TMA1181158 · design | an individual | 3 Cosmetics | Registered | 2023 |
| CHROMSPUN 0220261 · UCA46420 | EASTMAN CHEMICAL COMPANY, A DELAWARE CORPORATION | 22 Ropes23 Yarns | Registered | 1953 |
| CHROMSOLV 2362662 | SATI INTERNATIONAL SCIENTIFIC INC. | 1 Chemicals | Pending | 2024 |
| CRIMECON 1939057 · TMA1217810 | Red Seat Ventures, LLC | 41 Education | Registered | 2024 |
| CRANSTON 1416863 · TMA759684 · design | Brookfield Residential (Alberta) LP. | 36 Finance37 Construction | Registered | 2010 |
| CRANSTON 1416862 · TMA759685 | Brookfield Residential (Alberta) LP. | 36 Finance37 Construction | Registered | 2010 |
| CROMSOURCE 1567914 · TMA898132 | an individual | 9 Electronics35 Advertising36 Finance+4 | Registered | 2015 |
| CERAMSTONE 1165026 · TMA611556 | C&S Group Operations Ltd. | 19 Building | Registered | 2004 |
| CRIMSONCUP 1140312 · TMA611392 | The Crimson Cup, Inc. | 30 Coffee | Registered | 2004 |
| CRIMSONCUP 1140311 · TMA621821 | The Crimson Cup, Inc. | 35 Advertising39 Transport | Registered | 2004 |
| CHROMASOFT 0754529 · TMA441683 | CHROMALOX, INC. | 9 Electronics | Registered | 1995 |
| CHROMOSORB 0241197 · TMA109512 | IMERYS FILTRATION MINERALS, INC. | 1 Chemicals | Registered | 1958 |
| CRONOS 1964490 · TMA1179694 | Cronos Group Inc. | 9 Electronics14 Jewellery16 Paper+8 | Registered | 2023 |
| CRONOS 1887569 · TMA1074743 · design | Cronos Group Inc. | 9 Electronics16 Paper35 Advertising+4 | Registered | 2020 |
| CRIMZEN 1803955 · TMA1054582 | LOST CRAFT INC. | 32 Beer33 Wine35 Advertising | Registered | 2019 |
| CRONOS 1717183 · TMA1048537 | Omachron Intellectual Property Inc. | 7 Machines9 Electronics12 Vehicles+1 | Registered | 2019 |
| CROMAX 1639336 · TMA906303 · design | Axalta Coating Systems GmbH | 2 Paints35 Advertising40 Treatment+1 | Registered | 2015 |
| CRIMS 1453704 · TMA803918 | Central Risk and Insurance Management Services Ltd. | 9 Electronics16 Paper36 Finance+1 | Registered | 2011 |
| CROMAX 0745535 · TMA474706 | Axalta Coating Systems GmbH | 2 Paints | Registered | 1997 |