| COMPULOCK 0864887 · TMA504846 · design | JANOME Corporation | 7 Machines | Registered | 1998 |
| COMPLOTS 2141027 · TMA1205111 | an individual | 25 Clothing | Registered | 2023 |
| CompLoc 1767513 · TMA1043444 | an individual | 6 Metal17 Rubber19 Building | Registered | 2019 |
| 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 |
| COMPULES 0640679 · TMA404218 | DENTSPLY SIRONA Inc. | 5 Pharmaceuticals10 Medical | Registered | 1992 |
| COMPLYWORKS 1459798 · TMA789749 | Complyworks Ltd. | 39 Transport41 Education42 Science+1 | Registered | 2011 |
| COMPALOX 2180611 · TMA1253710 | Martinswerk GmbH | 1 Chemicals | Registered | 2024 |
| COMPLEOS 2164158 · TMA1198140 | CP KELCO U.S., INC. | 1 Chemicals | Registered | 2023 |
| ComplyDocs 1910058 · TMA1098680 | McDougall Scientific Limited | 42 Science | Registered | 2021 |
| CONBLOCK 1712486 · TMA973341 | Concrete Sealants, Inc. | 1 Chemicals | Registered | 2017 |
| COMPLEATS 1401698 · TMA803317 | Hormel Foods Corporation | 29 Meat30 Coffee | Registered | 2011 |
| COMPULAW 1136319 · TMA605911 | Aderant CompuLaw, LLC | 9 Electronics35 Advertising | Registered | 2004 |
| COMBOLOC 1130645 · TMA595592 | REHAU INCORPORATED | 8 Hand | Registered | 2003 |
| COMPULA 1102956 · TMA652098 | DENTSPLY SIRONA Inc. | 10 Medical | Registered | 2005 |
| COMPULIFE 0549964 · TMA321727 | COMPULIFE SOFTWARE INC. | 9 Electronics36 Finance | Registered | 1986 |
| CYMBAL 2264072 · TMA1283347 | KOHLER CO. | 11 Lighting | Registered | 2025 |
| COMBFFLE 2257455 · TMA1276340 | KI HING TRADING COMPANY LIMITED | 21 Housewares | Registered | 2024 |
| comfy4all 2253343 · TMA1272892 | an individual | 10 Medical24 Textiles25 Clothing | Registered | 2024 |
| CAMPLUX 2252484 · TMA1274378 | Junsky Appliances Limited | 9 Electronics20 Furniture21 Housewares+1 | Registered | 2024 |
| COMPLETE 2204287 · TMA1249699 | PrimeSource Building Products, Inc. (Delaware Corporation) | 6 Metal8 Hand | Registered | 2024 |
| CANNFLASH 2203909 · TMA1239989 · design | SANTAI SCIENCE INC. | 9 Electronics | Registered | 2024 |
| CIMPLATE 2203744 · TMA1239955 | Canadian Innovative Materials Ltd. | 6 Metal | Registered | 2024 |
| Chompalot 2185725 · TMA1162795 | an individual | 30 Coffee | Registered | 2023 |