| COMPOSE 1849646 · TMA1060535 | Masterchem Industries LLC | 2 Paints | Registered | 2019 |
| COMPOSE 1273839 · TMA694650 | HAWORTH, INC. | 20 Furniture | Registered | 2007 |
| COMPCARE 1225123 · TMA676004 | Goodman Manufacturing Company, L.P. (a Texas corporation) | 36 Finance | Registered | 2006 |
| COMPCORP 0700031 · TMA412664 | Canadian Life and Health Insurance Compensation Corporation Sociéte Canadienne D'indemnisation Pour Les Assurances De Personnes | 36 Finance | Registered | 1993 |
| COMPOSE 2314571 | INTERNATIONAL BUSINESS MACHINES CORPORATION | 9 Electronics28 Toys42 Science | Pending | 2024 |
| COMPUSCOPE 0604829 · TMA358946 | Gage Applied Technologies Inc. | 9 Electronics | Registered | 1989 |
| COMPOZITE 2005346 · TMA1108299 | Oz Lifting Products, LLC | 7 Machines | Registered | 2021 |
| COMPASTEP 1828671 · TMA1060188 | A. Nattermann & Cie. GmbH | 3 Cosmetics5 Pharmaceuticals10 Medical+4 | Registered | 2019 |
| CompuCool 1774663 · TMA977565 | TECHNOLOGIES E4 INC. | 11 Lighting | Registered | 2017 |
| COMPOSITE 1345183 · TMA734882 | Giesen Group Limited | 33 Wine | Registered | 2009 |
| COMPUCAGE 0881526 · TMA547662 | Compucage International Inc. | 9 Electronics20 Furniture | Registered | 2001 |
| COMPOSTEX 0780658 · TMA457156 | TEXEL TECHNICAL MATERIALS, INC. / TEXEL MATERIAUX TECHNIQUES INC. | 19 Building | Registered | 1996 |
| COMBOCORE 2344758 | Owner not listed | 42 Science | Pending | 2024 |
| COMPCLOUD 2163332 | Salary.com, LLC | 42 Science | Pending | 2022 |
| CompactTube 2071712 · TMA1177248 | ROBERT BOSCH GMBH | 9 Electronics12 Vehicles | Registered | 2023 |
| COMPOSOLITE 1960770 · TMA1275049 | Strongwell Corporation | 19 Building20 Furniture | Registered | 2024 |
| COMPOSICORE 1362564 · TMA833419 | Barrette Outdoor Living, Inc | 19 Building | Registered | 2012 |
| COMPUCENTRE 0448959 · TMA249950 | SYSTÈMES TMN INC. | 7 Machines8 Hand9 Electronics+10 | Registered | 1980 |
| CompHost 2219156 · TMA1230725 | an individual | 40 Treatment | Registered | 2024 |
| COMPOST 2208633 · TMA1225514 | Eco Tan Pty Ltd | 3 Cosmetics | Registered | 2024 |
| COMPOCEL 1892544 · TMA1097264 · design | an individual | 6 Metal12 Vehicles17 Rubber+1 | Registered | 2021 |
| CAMPSITE 1804525 · TMA1048811 | REGENXBIO Inc. | 42 Science | Registered | 2019 |
| CAMPSITE 1768663 · TMA975944 | Broadsign Serv, Inc. | 9 Electronics35 Advertising42 Science+1 | Registered | 2017 |
| COMPOSED 1705798 · TMA984843 | KOHLER CO. | 6 Metal11 Lighting21 Housewares | Registered | 2017 |
| COMPACT 1584456 · TMA891886 | GPCP IP Holdings LLC | 21 Housewares | Registered | 2014 |