| COMPOSTAR 1258329 · TMA713948 | POLYSTAR PACKAGING INC. | 16 Paper | Registered | 2008 |
| COMPOST 2208633 · TMA1225514 | Eco Tan Pty Ltd | 3 Cosmetics | Registered | 2024 |
| COMPOSITEK 2065088 · TMA1133429 | an individual | 19 Building | Registered | 2022 |
| COMPOSTIC 2012713 · TMA1129212 | COMPOSTIC LIMITED | 16 Paper | Registered | 2022 |
| COMPOSAD 1995930 · TMA1133898 · design | an individual | 20 Furniture | Registered | 2022 |
| COMPACTMAG 1657622 · TMA957784 | an individual | 6 Metal | Registered | 2016 |
| COMPUSTAR 1650524 · TMA932186 | Firstech, LLC | 9 Electronics | Registered | 2016 |
| COMPUSTAFF 1553315 · TMA841190 | COMPUSTAFF CORP. | 35 Advertising | Registered | 2013 |
| COMFOSTAT 0783096 · TMA470020 | BAXI HEATING UK LIMITED | 9 Electronics11 Lighting | Registered | 1997 |
| COMPOSTEX 0780658 · TMA457156 | TEXEL TECHNICAL MATERIALS, INC. / TEXEL MATERIAUX TECHNIQUES INC. | 19 Building | Registered | 1996 |
| COMPOSIPAC 0780646 · TMA474845 | Graphic Packaging International, LLC | 16 Paper | Registered | 1997 |
| COMPUSMART 0734397 · TMA432070 | Hartco Inc. | 35 Advertising37 Construction38 Telecommunications+3 | Registered | 1994 |
| COMPUSTAT 0694548 · TMA419770 | Standard & Poor's Financial Services LLC | 9 Electronics16 Paper | Registered | 1993 |
| COMPUSTAT 0302185 · TMA154084 | Standard & Poor's Financial Services LLC | 9 Electronics35 Advertising36 Finance+1 | Registered | 1967 |
| COMPOSTFUL 2287700 · design | Owner not listed | 1 Chemicals17 Rubber40 Treatment | Pending | 2023 |
| compactMASTER 1813213 · TMA1051285 | GILDEMEISTER Beteiligungen GmbH | 37 Construction | Registered | 2019 |
| compactMASTER 1687332 · TMA1052458 | GILDEMEISTER Beteiligungen GmbH | 7 Machines9 Electronics42 Science | Registered | 2019 |
| COMPOSTABLES 2243961 · TMA1263143 · design | Owner not listed | 8 Hand16 Paper21 Housewares | Registered | 2024 |
| COMPACTFLASH 0787179 · TMA576085 | SanDisk LLC | 9 Electronics | Registered | 2003 |
| COMPOSTABLES 2243943 | GLOBE COMMERCIAL PRODUCTS INC. | 8 Hand16 Paper21 Housewares | Pending | 2023 |
| CompHost 2219156 · TMA1230725 | an individual | 40 Treatment | Registered | 2024 |
| CompactMD 2156800 · TMA1207839 | an individual | 44 Medical | Registered | 2023 |
| COMPASS 2156252 · TMA1207802 | Stoneage, Inc. | 7 Machines | Registered | 2023 |
| COMPASS 2046684 · TMA1141373 · design | American Society for Testing and Materials | 41 Education42 Science | Registered | 2022 |
| COMPOSECURE 1990732 · TMA1100416 | an individual | 9 Electronics16 Paper40 Treatment+1 | Registered | 2021 |