| COMPUSERVE 0488823 · TMA277265 | AOL Membership Services LLC | 38 Telecommunications42 Science | Registered | 1983 |
| COMPUCENTRE 0448959 · TMA249950 | SYSTÈMES TMN INC. | 7 Machines8 Hand9 Electronics+10 | Registered | 1980 |
| CONFISENSE 2146943 · TMA1202964 | LifeScan IP Holdings, LLC | 10 Medical | Registered | 2023 |
| CAMPUSONE 1901628 · TMA1123355 | Knightstone Capital Management II Inc. | 35 Advertising36 Finance37 Construction+4 | Registered | 2022 |
| COMPUSAFE 0820166 · TMA514766 | Brink's Network, Incorporated (a Delaware Corporation) | 36 Finance38 Telecommunications | Registered | 1999 |
| COMPUSAFE 0801137 · TMA514768 | Brink's Network, Incorporated (a Delaware Corporation) | 6 Metal | Registered | 1999 |
| COMPUGEN 0753420 · TMA442615 · design | Compugen Inc. | 37 Construction42 Science | Registered | 1995 |
| COMPUGEN 0642352 · TMA394101 | Compugen Inc. | 35 Advertising42 Science | Registered | 1992 |
| COMPUSCOPE 0604829 · TMA358946 | Gage Applied Technologies Inc. | 9 Electronics | Registered | 1989 |
| COMPUSCALE 0452747 · TMA251049 | Siemens Milltronics Process Instruments Inc. | 7 Machines9 Electronics | Registered | 1980 |
| CAMPUSONE 1972607 · design | Knightstone Capital Management II Inc. | 35 Advertising36 Finance37 Construction+5 | Pending | 2019 |
| COMPOSECURE 1990732 · TMA1100416 | an individual | 9 Electronics16 Paper40 Treatment+1 | Registered | 2021 |
| COMPASS 2156252 · TMA1207802 | Stoneage, Inc. | 7 Machines | Registered | 2023 |
| COMPUSOFT 2066746 · TMA1216834 · design | an individual | 9 Electronics35 Advertising37 Construction+1 | Registered | 2024 |
| COMPASS 2046684 · TMA1141373 · design | American Society for Testing and Materials | 41 Education42 Science | Registered | 2022 |
| COMPASS 1900867 · TMA1112795 · design | Boehringer Ingelheim Vetmedica GmbH | 9 Electronics35 Advertising44 Medical | Registered | 2021 |
| COMPASS 1860706 · TMA1081397 · design | The Procter & Gamble Company | 41 Education | Registered | 2020 |
| COMPOSE 1849646 · TMA1060535 | Masterchem Industries LLC | 2 Paints | Registered | 2019 |
| CAMPUSVIBE 1821673 · TMA1012410 | 3rd Age Systems Inc. | 9 Electronics41 Education42 Science | Registered | 2019 |
| COMPOSED 1705798 · TMA984843 | KOHLER CO. | 6 Metal11 Lighting21 Housewares | Registered | 2017 |
| COMPASS 1670856 · TMA982364 | Ag Growth International Inc. | 9 Electronics | Registered | 2017 |
| COMPUSTAR 1650524 · TMA932186 | Firstech, LLC | 9 Electronics | Registered | 2016 |
| COMPOSER 1567374 · TMA853037 | JAMF Software, LLC | 9 Electronics | Registered | 2013 |
| COMPOSER 1567372 · TMA871141 · design | JAMF Software, LLC | 9 Electronics | Registered | 2014 |
| COMPUSTAFF 1553315 · TMA841190 | COMPUSTAFF CORP. | 35 Advertising | Registered | 2013 |