| COMERCO 1678072 · TMA938613 · design | COMERCO SERVICES INC. | 1 Chemicals2 Paints3 Cosmetics+8 | Registered | 2016 |
| COMERCO 1678070 · TMA937754 | COMERCO SERVICES INC. | 1 Chemicals2 Paints3 Cosmetics+8 | Registered | 2016 |
| COMARCH 2364999 | an individual | 9 Electronics35 Advertising42 Science+1 | Pending | 2024 |
| COMARK 0679314 · TMA409745 · design | Fluke Corporation | 9 Electronics | Registered | 1993 |
| COMARK 0485783 · TMA275702 | Comark Holdings Inc. | 35 Advertising36 Finance39 Transport+1 | Registered | 1983 |
| COMARK 2079792 | Fluke Corporation | 9 Electronics | Pending | 2021 |
| Comarkis 2223175 · TMA1248805 | Shenzhen Yibo Electronic Commerce Co. Ltd. | 27 Carpets | Registered | 2024 |
| COMARKER 1408119 · TMA756907 | ACOVAN LANGUAGE SERVICES INC. | 42 Science | Registered | 2010 |
| COMMERCE 1349500 · TMA767875 | Veritiv Operating Company | 16 Paper | Registered | 2010 |
| COMERICA 0833484 · TMA496354 · design | Comerica Bank | 36 Finance39 Transport | Registered | 1998 |
| COMERICA 0833483 · TMA496352 | Comerica Bank | 36 Finance39 Transport | Registered | 1998 |
| COMMERCE 0664475 · TMA392334 | Global Total Office (an Ontario limited partnership) | 20 Furniture | Registered | 1991 |
| COMERICA 0493968 · TMA300697 | Comerica Bank | 36 Finance | Registered | 1985 |
| COMERICA 2236862 · design | Comerica Bank | 36 Finance | Pending | 2022 |
| CUMARK 2249777 · TMA1282958 · design | Shenzhen Cumark Sci. & Tech. Co. Ltd. | 9 Electronics | Registered | 2025 |
| CIMAREC 0592686 · TMA344679 | Thermo Fisher Scientific (Asheville) LLC | 11 Lighting21 Housewares | Registered | 1988 |
| COMRZOR 2077019 | an individual | 9 Electronics | Pending | 2021 |
| Commercia 1550729 · TMA844202 | an individual | 35 Advertising36 Finance | Registered | 2013 |
| CHOMERICS 0509565 · TMA292996 | PARKER INTANGIBLES LLC a Delaware limited liability company | 17 Rubber | Registered | 1984 |
| CANREJU 2206658 · TMA1242736 | Owner not shown | 3 Cosmetics5 Pharmaceuticals | Registered | 2024 |
| CHIMERIX 2194042 · TMA1220724 | Chimerix, Inc. | 5 Pharmaceuticals | Registered | 2024 |
| ChainRags 2157783 · TMA1209874 | an individual | 25 Clothing35 Advertising | Registered | 2023 |
| CANNRX 2153577 · TMA1208661 | My Spark Inc. | 9 Electronics | Registered | 2023 |
| CANEROCK 2095229 · TMA1173616 | THE WEST INDIES RUM DISTILLERY LIMITED | 33 Wine | Registered | 2023 |
| CHAMRIOSE 2093041 · TMA1211791 | BRISTOL-MYERS SQUIBB COMPANY | 5 Pharmaceuticals | Registered | 2023 |