| COMPLIANT 2112575 · TMA1197679 · design | an individual | 42 Science | Registered | 2023 |
| COMPLIT 1808891 · TMA1015189 · design | an individual | 25 Clothing26 Sewing | Registered | 2019 |
| COMPLICITÉ 0889079 · TMA519678 | GROUPE ULTIMA INC. | 36 Finance | Registered | 1999 |
| COMPLAST 1888254 · TMA1084864 | an individual | 6 Metal | Registered | 2020 |
| CompliPak 1820699 · TMA1079245 | Complipak Inc. | 7 Machines24 Textiles | Registered | 2020 |
| COMPLIMYX 1658746 · TMA921202 | Senomyx, Inc. | 30 Coffee | Registered | 2015 |
| COMPLEAT 0873903 · TMA574401 | Owner not shown | 5 Pharmaceuticals29 Meat | Registered | 2003 |
| COMPLICES 0820767 · TMA500797 · design | Owner not shown | 3 Cosmetics6 Metal7 Machines+18 | Registered | 1998 |
| COMPLICES 0804153 · TMA536757 | Owner not shown | 7 Machines8 Hand9 Electronics+15 | Registered | 2000 |
| COMPLICES 0775150 · TMA492327 | an individual | 25 Clothing | Registered | 1998 |
| COMPLAIT 0628052 · TMA369530 | Cargill Limited | 31 Fresh | Registered | 1990 |
| COMPLET 0490438 · TMA278603 | Diversey, Inc. (a Delaware corporation) | 3 Cosmetics | Registered | 1983 |
| COMPLiQ 2248119 | Collaborative Digital Innovations LLC (Florida Limited Liability Company) | 9 Electronics35 Advertising42 Science+1 | Pending | 2023 |
| COMPLIMENTS 1938843 · TMA1161829 · design | Sobeys Capital Incorporated | 1 Chemicals3 Cosmetics5 Pharmaceuticals+13 | Registered | 2023 |
| COMPLIMENTS 1227876 · TMA675493 · design | Sobeys Capital Incorporated | 1 Chemicals3 Cosmetics4 Oils+16 | Registered | 2006 |
| COMPLIMENTS 1227875 · TMA675272 | Sobeys Capital Incorporated | 1 Chemicals3 Cosmetics4 Oils+17 | Registered | 2006 |
| COMPLIMENTS 2336449 | Owner not listed | 9 Electronics36 Finance45 Legal | Pending | 2024 |
| CompleTest 1877444 · TMA1074713 | FLUROTECH LTD. | 9 Electronics | Registered | 2020 |
| CHOMPLINGZ 1714174 · TMA930438 | Spin Master Ltd. | 28 Toys | Registered | 2016 |
| Complément+ 1631044 · TMA938354 | Owner not shown | 36 Finance | Registered | 2016 |
| COMPLIANCE 1580149 · TMA864370 | CONDUENT BUSINESS SERVICES, LLC | 35 Advertising | Registered | 2013 |
| COMPELLENT 1521034 · TMA835078 | Dell Inc. | 9 Electronics39 Transport42 Science | Registered | 2012 |
| CIMPLICITY 0631820 · TMA445080 | GE Intelligent Platforms, Inc. | 7 Machines9 Electronics | Registered | 1995 |
| CHOMPLINGS 2321768 | We Are the Chompians LLC | 29 Meat | Pending | 2024 |
| COMPLEMENT 2259791 | Owner not listed | 9 Electronics35 Advertising36 Finance+3 | Pending | 2023 |