| CARBOMASTIC 0351928 · TMA188980 | Carboline International Corporation a Delaware Corporation | 2 Paints | Registered | 1973 |
| CARAVAN 2288158 · TMA1257126 · design | Big Country Raw Ltd. | 31 Fresh | Registered | 2024 |
| CARVONIX 2221519 · TMA1239036 | an individual | 9 Electronics | Registered | 2024 |
| CRBN 2184370 · TMA1230559 | Phoenix Wheel CO. Inc. DBA HRE Performance Wheels | 12 Vehicles25 Clothing | Registered | 2024 |
| CARBON 2183432 · TMA1278878 | Quantum-Si Incorporated | 9 Electronics10 Medical42 Science | Registered | 2024 |
| CARBONSCAPE 2180479 · TMA1262756 | Carbonscape Limited | 1 Chemicals40 Treatment42 Science+1 | Registered | 2024 |
| CARBYNE 2169786 · TMA1158450 | KOHLER CO. | 11 Lighting | Registered | 2022 |
| CARBONANO 2166317 · TMA1215368 · design | an individual | 10 Medical18 Leather21 Housewares+2 | Registered | 2023 |
| CERAPHIN 2156088 · TMA1229742 | Alliance Apparel Group, Inc. | 3 Cosmetics5 Pharmaceuticals9 Electronics+5 | Registered | 2024 |
| CarbonEdge 2148371 · TMA1204146 | Carbon Edge Corporation | 35 Advertising41 Education42 Science | Registered | 2023 |
| CARBONSMART 2144961 · TMA1223725 | LanzaTech, Inc. | 23 Yarns24 Textiles25 Clothing | Registered | 2024 |
| COREBON 2139679 · TMA1246204 · design | an individual | 7 Machines9 Electronics11 Lighting+3 | Registered | 2024 |
| CARBONASSIST 2126745 · TMA1233286 | Owner not shown | 7 Machines9 Electronics11 Lighting+4 | Registered | 2024 |
| CoreBiome 2126468 · TMA1196842 | Compound Solutions, Inc. | 1 Chemicals | Registered | 2023 |
| CARPANION 2121687 · TMA1186469 | OpenRoad Auto Group Limited | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2023 |
| CORBION 2118388 · TMA1234321 · design | an individual | 1 Chemicals35 Advertising42 Science | Registered | 2024 |
| CARBONWOOD 2115684 · TMA1208442 | TAYLOR MADE GOLF COMPANY, INC. | 28 Toys | Registered | 2023 |
| Carefin 2110996 · TMA1177892 | an individual | 5 Pharmaceuticals | Registered | 2023 |
| CRFNI 2105150 · TMA1176550 | Xiamen Gleaner Electronic Commerce Co. Ltd. | 31 Fresh | Registered | 2023 |
| CARBINE 2080085 · TMA1180254 | ISHIHARA SANGYO KAISHA, LTD. | 5 Pharmaceuticals | Registered | 2023 |
| CarbonCycle 2041380 · TMA1171975 | NEW ZEALAND BOX LIMITED | 6 Metal | Registered | 2023 |
| CREPINI 2026704 · TMA1187037 | CREPINI FOODS LLC | 30 Coffee35 Advertising | Registered | 2023 |
| CROPMATRIX 2026139 · TMA1267925 | Richardson International Limited | 42 Science44 Medical | Registered | 2024 |
| CARBONVAULT 2021920 · TMA1167685 | De Beers UK Limited | 35 Advertising42 Science | Registered | 2023 |
| CARPINETO 1990906 · TMA1136248 | an individual | 33 Wine | Registered | 2022 |