| COMPMETRICA 2330845 · TMA1269105 · design | COMPMETRICA INC. | 9 Electronics16 Paper35 Advertising+1 | Registered | 2024 |
| COMPMETRICA 1551774 · TMA859080 · design | COMPMETRICA INC. | 9 Electronics16 Paper35 Advertising+1 | Registered | 2013 |
| COMPMETRICA 1313777 · TMA709088 | COMPMETRICA INC. | 9 Electronics16 Paper35 Advertising+1 | Registered | 2008 |
| COMPUMEDICS 0845621 · TMA547185 | COMPUMEDICS HOLDINGS PTY. LTD. | 1 Chemicals5 Pharmaceuticals7 Machines+2 | Registered | 2001 |
| COMPANIO 1813246 · TMA1073146 | an individual | 9 Electronics10 Medical38 Telecommunications+2 | Registered | 2020 |
| COMPANTA 1620721 · TMA892961 | MACDONALD & MUIR LIMITED | 33 Wine | Registered | 2014 |
| CAMPANTICS 1389358 · TMA796141 | Campantics Corp. | 9 Electronics16 Paper28 Toys | Registered | 2011 |
| CombiMat 1080573 · TMA579023 | JOHNS MANVILLE EUROPE GMBH | 1 Chemicals11 Lighting17 Rubber+3 | Registered | 2003 |
| COMBIMAT 0804138 · TMA479899 | Owner not shown | 11 Lighting | Registered | 1997 |
| COMPAMED 0702835 · TMA412161 | MESSE DUSSELDORF GMBH | 35 Advertising41 Education | Registered | 1993 |
| COMBIMAT 0450217 · TMA255633 | Diversey, Inc. (a Delaware corporation) | 7 Machines | Registered | 1981 |
| COMPUMARK 2326438 | Owner not listed | 9 Electronics35 Advertising41 Education+2 | Pending | 2024 |
| CombiMaster 1323324 · TMA698898 | an individual | 11 Lighting | Registered | 2007 |
| COMPENSATOR 0766497 · TMA473734 | HANOVER ARCHITECTURAL PRODUCTS BUSINESS TRUST, A PENNSYLVANIA CORPORATION | 20 Furniture | Registered | 1997 |
| COMFYMOVE 2261010 · TMA1279542 | 1895968 Ontario Inc. | 39 Transport45 Legal | Registered | 2024 |
| COMPEONY 2257906 · TMA1276439 · design | Compeony BioTech Canada Ltd. | 3 Cosmetics29 Meat | Registered | 2024 |
| CHAMPION 2247872 · TMA1267220 | ABG-Champion LLC | 5 Pharmaceuticals | Registered | 2024 |
| ComfyNest 2240235 · TMA1259998 | an individual | 20 Furniture | Registered | 2024 |
| COMPANACARES 2222541 · TMA1212591 · design | Manna Pro Products, LLC | 43 Restaurants44 Medical | Registered | 2023 |
| COMBINED 2208163 · TMA1241593 · design | COMBINED INSURANCE COMPANY OF AMERICA | 9 Electronics35 Advertising36 Finance+1 | Registered | 2024 |
| COMBINATOR 2195287 · TMA1206686 | ReelPlay Pty Ltd | 9 Electronics41 Education | Registered | 2023 |
| CAMBOND 2191716 · TMA1234736 · design | HIEYOUNG INTERNATIONAL (HONG KONG) LIMITED | 21 Housewares | Registered | 2024 |
| COMPANACARES 2188273 · TMA1252354 · design | Manna Pro Products, LLC | 41 Education | Registered | 2024 |
| COMBINE 2183064 · TMA1230411 | CENTURY GROUP LANDS CORPORATION | 43 Restaurants | Registered | 2024 |
| Confonze 2182593 · TMA1230335 | an individual | 25 Clothing | Registered | 2024 |