| CHEKit 1702880 · TMA935874 | Chekit Web Based Status Monitor Ltd. | 9 Electronics35 Advertising | Registered | 2016 |
| CESIT 1671207 · TMA969797 | Continental Engineering Services GmbH | 9 Electronics42 Science | Registered | 2017 |
| CYCAT 0428222 · TMA242027 | an individual | 1 Chemicals | Registered | 1980 |
| CYCUITY 2193824 · TMA1221638 | Tortuga Logic, Inc. | 9 Electronics35 Advertising42 Science | Registered | 2024 |
| CheckIT 1920797 · TMA1136731 | an individual | 1 Chemicals9 Electronics42 Science | Registered | 2022 |
| CHECKIT 1795818 · TMA1020113 | CHECKIT PLC | 9 Electronics16 Paper37 Construction+1 | Registered | 2019 |
| CHUCKIT!! 1125165 · TMA586736 | DOSKOCIL MANUFACTURING COMPANY, INC. | 28 Toys | Registered | 2003 |
| CEZETO 2264692 · TMA1283424 · design | Shenzhen Chenzetong E-commerce Co. Ltd. | 18 Leather | Registered | 2025 |
| Cicod 2256626 · TMA1276251 | an individual | 14 Jewellery | Registered | 2024 |
| Cozcty 2255316 · TMA1273145 | Haikou WeiRuiNaiSi Trading Co. LTD | 6 Metal | Registered | 2024 |
| CICITOYWO 2239438 · TMA1261456 | Shenzhen Anhuagu Electronic Commerce Co. Ltd. | 25 Clothing | Registered | 2024 |
| CASTIA 2236143 · TMA1256855 | KOHLER CO. | 11 Lighting20 Furniture | Registered | 2024 |
| CIKADA 2234138 · TMA1261402 · design | Dyaco International Inc. | 9 Electronics12 Vehicles18 Leather | Registered | 2024 |
| CIKADA 2232925 · TMA1257972 | Dyaco International Inc. | 9 Electronics12 Vehicles18 Leather | Registered | 2024 |
| Cezetoy 2201304 · TMA1238678 | Shenzhen Hongmang Technology Co., Ltd. | 28 Toys | Registered | 2024 |
| CAZADO 2198835 · TMA1241241 | Adama Agan Ltd. | 5 Pharmaceuticals | Registered | 2024 |
| COAST 2195372 · TMA1261280 | Coast Cutlery Co. | 9 Electronics11 Lighting | Registered | 2024 |
| CIKADA 2194350 · TMA1242559 | Dyaco International Inc. | 12 Vehicles | Registered | 2024 |
| CESTA 2188324 · TMA1265414 | Owner not shown | 11 Lighting | Registered | 2024 |
| CACHET 2159167 · TMA1232270 | American Challenger Development Corp. | 36 Finance | Registered | 2024 |
| COAST 2152958 · TMA1250862 | Coast Cutlery Co. | 9 Electronics | Registered | 2024 |
| CHICKADEE 2152888 · TMA1206409 | an individual | 35 Advertising36 Finance | Registered | 2023 |
| coceti 2142180 · TMA1222985 | Hangzhou Chucheng Electronic Commerce Co. Ltd. | 25 Clothing | Registered | 2024 |
| CICADA 2140138 · TMA1205103 | an individual | 1 Chemicals5 Pharmaceuticals | Registered | 2023 |
| Cuzhedai 2139126 · TMA1214262 | Shenzhen Woersen Trading Co. Ltd. | 14 Jewellery | Registered | 2023 |