| Coarbor 2194657 · TMA1235156 | Hangzhou Xinyi Outdoor Products Co. Ltd. | 22 Ropes | Registered | 2024 |
| CORPORA 1752095 · TMA1052241 · design | Corpora Inc. une entité légale | 35 Advertising36 Finance42 Science | Registered | 2019 |
| Corebar 2345320 | an individual | 10 Medical | Pending | 2024 |
| COREBARZ 2194977 | an individual | 28 Toys | Pending | 2022 |
| CoreFormer 2265220 | Heartcore Fitness Ltd | 9 Electronics28 Toys41 Education | Pending | 2023 |
| CORRPOWER 1939814 · TMA1163018 | CORRPRO COMPANIES, INC. | 9 Electronics | Registered | 2023 |
| Ceraforge 1861113 · TMA1057622 | ANATOLIA GROUP INC. | 19 Building | Registered | 2019 |
| CERAFORCE 1616605 · TMA877701 | an individual | 21 Housewares24 Textiles | Registered | 2014 |
| COREBRACE 1607848 · TMA870721 | Core-Brace, LLC | 6 Metal | Registered | 2014 |
| CERAFORTE 1474354 · TMA828981 | an individual | 1 Chemicals | Registered | 2012 |
| CERABOARD 0457540 · TMA255680 | THE MORGAN CRUCIBLE COMPANY plc | 17 Rubber | Registered | 1981 |
| CORPWORKS 2374154 | Vision Systems Corp. | 9 Electronics41 Education | Pending | 2025 |
| CAREVERSE 2259148 · TMA1281083 | Solis Healthcare Solutions Inc. | 9 Electronics42 Science | Registered | 2025 |
| Carvero 2238631 · TMA1254202 | SUMITOMO CHEMICAL COMPANY LIMITED | 1 Chemicals5 Pharmaceuticals | Registered | 2024 |
| CAREFOR 2228718 · TMA1271230 | Weichen Innovation Technology (Shenzhen) Co. Ltd. | 10 Medical | Registered | 2024 |
| Carvoriy 2178442 · TMA1228211 | Huizhou Zhongxingwang Technology Co. Ltd. | 21 Housewares | Registered | 2024 |
| CORPORALITY 2162580 · TMA1275741 · design | TECH CONSULTANTS AUSTRALIA PTY LTD | 35 Advertising | Registered | 2024 |
| CARFAR 2161298 · TMA1212237 · design | an individual | 9 Electronics | Registered | 2023 |
| CARBRAVO 2160361 · TMA1210091 · design | General Motors LLC | 35 Advertising | Registered | 2023 |
| CARBRAVO 2160342 · TMA1194002 | General Motors LLC | 35 Advertising | Registered | 2023 |
| CAREFREE 2134757 · TMA1212061 | Edgewell Personal Care Brands, LLC | 3 Cosmetics5 Pharmaceuticals10 Medical | Registered | 2023 |
| CORAFRITZ 2068230 · TMA1174563 | Quanzhou Fengze District Lanxi Clothing Co. Ltd. | 25 Clothing | Registered | 2023 |
| CRAYPORT 2060874 · TMA1131272 | Hewlett Packard Enterprise Development LP | 42 Science | Registered | 2022 |
| COREPRENEUR 2055892 · TMA1277052 | an individual | 9 Electronics16 Paper35 Advertising+3 | Registered | 2024 |
| Carfarm 2043056 · TMA1139758 | Shenzhen Lepower Electronic Co., Ltd. | 7 Machines12 Vehicles | Registered | 2022 |