| COMMERCEPAK 0912675 · design | an individual | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2001 |
| COMMERCEHUB 1638931 · TMA921725 · design | Commerce Technologies, LLC | 42 Science | Registered | 2015 |
| Commercia 1550729 · TMA844202 | an individual | 35 Advertising36 Finance | Registered | 2013 |
| COMMERCEHUB 1513774 · TMA829290 | Commerce Technologies, LLC | 42 Science | Registered | 2012 |
| COMMERCE 1349500 · TMA767875 | Veritiv Operating Company | 16 Paper | Registered | 2010 |
| COMMERCE 0664475 · TMA392334 | Global Total Office (an Ontario limited partnership) | 20 Furniture | Registered | 1991 |
| COMMERCIAL 0910778 · design | CANADA POST CORPORATION | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1999 |
| COMMERCIALE 1249248 · TMA654939 | GROUPE SEB CANADA INC. | 21 Housewares | Registered | 2005 |
| COMMERCIALPRO 2027450 | HouseMaster SPV LLC | 42 Science | Pending | 2020 |
| COMMERSCALE 1770125 · TMA972495 | 9276-2491 Québec inc. | 35 Advertising42 Science | Registered | 2017 |
| 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 |
| COMMERZBANK 1462563 · TMA802490 · design | an individual | 36 Finance37 Construction | Registered | 2011 |
| COMMERZBANK 1355980 · TMA773869 | an individual | 36 Finance | Registered | 2010 |
| COMMERX 1049389 · TMA567264 | COMMERX COMPUTER SYSTEMS INC. | 9 Electronics35 Advertising37 Construction+2 | Registered | 2002 |
| COMERICA 0833484 · TMA496354 · design | Comerica Bank | 36 Finance39 Transport | Registered | 1998 |
| COMERICA 0833483 · TMA496352 | Comerica Bank | 36 Finance39 Transport | Registered | 1998 |
| COMMERZBANK 0786274 · TMA489239 | an individual | 36 Finance | Registered | 1998 |
| COMERICA 0493968 · TMA300697 | Comerica Bank | 36 Finance | Registered | 1985 |
| COMERICA 2236862 · design | Comerica Bank | 36 Finance | Pending | 2022 |
| COMMERCIALRENEW 1791229 · TMA989164 | Knight Archer Insurance Ltd. | 36 Finance | Registered | 2018 |
| CUMARK 2249777 · TMA1282958 · design | Shenzhen Cumark Sci. & Tech. Co. Ltd. | 9 Electronics | Registered | 2025 |
| Comarkis 2223175 · TMA1248805 | Shenzhen Yibo Electronic Commerce Co. Ltd. | 27 Carpets | Registered | 2024 |
| CANREJU 2206658 · TMA1242736 | Owner not shown | 3 Cosmetics5 Pharmaceuticals | Registered | 2024 |
| CHIMERIX 2194042 · TMA1220724 | Chimerix, Inc. | 5 Pharmaceuticals | Registered | 2024 |