| CANASOUR 2070713 · TMA1160316 · design | Nantong Erhei Electronic Business Co. Ltd. | 25 Clothing | Registered | 2023 |
| CONASORB 0747790 · TMA441915 | H.L. BLACHFORD, LTD./LTEE. | 17 Rubber | Registered | 1995 |
| CONACURE 0290606 · TMA144277 | CYTEC TECHNOLOGY CORP. | 1 Chemicals | Registered | 1966 |
| COMECER 2049325 · TMA1187081 · design | an individual | 7 Machines9 Electronics10 Medical+2 | Registered | 2023 |
| CONCUR 1943722 · TMA1131839 | AMQ SOLUTIONS, LLC | 20 Furniture | Registered | 2022 |
| CommXR 1877638 · TMA1074416 | 2689090 CANADA INC. | 42 Science | Registered | 2020 |
| CONCUR 1317671 · TMA696975 | Concur Technologies, Inc. | 42 Science | Registered | 2007 |
| CONCUR 1007411 · TMA652047 | CONCUR TECHNOLOGIES, INC. A DELAWARE CORPORATION | 9 Electronics35 Advertising42 Science | Registered | 2005 |
| COMCOR 0649207 · TMA381348 | CORNING CANADA INC. | 21 Housewares | Registered | 1991 |
| CONSOR 2198812 | Consor Intermediate, LLC | 39 Transport42 Science | Pending | 2022 |
| CONJUR 2095789 | CYBERARK SOFTWARE LTD. | 9 Electronics42 Science | Pending | 2021 |
| COMISARIO 2094606 · TMA1207210 | Elite Beverage International, Inc. | 33 Wine | Registered | 2023 |
| COMMGUARD 1155610 · TMA615080 | Danby Technologies Corporation | 38 Telecommunications42 Science | Registered | 2004 |
| CONNAISSEUR 1110528 · TMA593619 | OMS Investments, Inc. (a Delaware corporation) | 31 Fresh | Registered | 2003 |
| CONNAISSEUR 0807048 · TMA475978 | VENMAR VENTILATION ULC | 11 Lighting | Registered | 1997 |
| CONNAISSEUR 0768589 · TMA447860 | SSH Bedding Canada Co. | 20 Furniture | Registered | 1995 |
| CONNAISSEUR 0619727 · TMA405718 | TP-Holiday Group Limited | 18 Leather | Registered | 1992 |
| CYMOSEER 2207651 · TMA1241526 | guang zhou kai mai mao yi co., ltd. | 18 Leather | Registered | 2024 |
| CO2NQUER 2203360 · TMA1227351 · design | an individual | 9 Electronics11 Lighting | Registered | 2024 |
| Chumajor 2154791 · TMA1227986 | Dongguan Yuyangzhi Electronic Commerce Co. Ltd. | 12 Vehicles | Registered | 2024 |
| CO2NQUER 2154570 · TMA1192161 · design | an individual | 9 Electronics11 Lighting | Registered | 2023 |
| CONCOURS 2035656 · TMA1170718 · design | Shandong Linglong Tyre Co.Ltd. | 12 Vehicles | Registered | 2023 |
| COINSQUARE 1892029 · TMA1106268 | Coinsquare Ltd. | 9 Electronics36 Finance39 Transport+1 | Registered | 2021 |
| CONSURIS 1873678 · TMA1091597 | Owner not shown | 1 Chemicals5 Pharmaceuticals | Registered | 2021 |
| CONCOURS 0859808 · TMA503630 | THE BOYD GROUP INC. | 35 Advertising37 Construction40 Treatment | Registered | 1998 |