| COOLCUT 0688626 · TMA400947 | WALTER SURFACE TECHNOLOGIES INC. | 1 Chemicals3 Cosmetics4 Oils | Registered | 1992 |
| COLEKT 2042638 · TMA1152878 · design | an individual | 3 Cosmetics | Registered | 2022 |
| CALZOT 1612203 · TMA915812 | AlzChem Trostberg GmbH | 1 Chemicals6 Metal | Registered | 2015 |
| CALCAT 1533757 · TMA841372 | DRiV Automotive Inc | 7 Machines | Registered | 2013 |
| CELCAT 1412170 · TMA804622 | Corbett Engineering Limited | 9 Electronics41 Education | Registered | 2011 |
| CALCET 0512520 · TMA306994 | MISSION PHARMACAL COMPANY, INC. | 5 Pharmaceuticals | Registered | 1985 |
| CALCUT 2347690 · design | KEEP TECHNOLOGY PTE. LTD. | 9 Electronics28 Toys35 Advertising+1 | Pending | 2024 |
| COILSHOT 1801353 · TMA992134 | Diversitech Corporation | 3 Cosmetics5 Pharmaceuticals7 Machines | Registered | 2018 |
| COOLSHOT 1606541 · TMA862249 | NIKON CORPORATION | 9 Electronics | Registered | 2013 |
| CEILCOTE 0293376 · TMA200386 | Owner not shown | 1 Chemicals2 Paints3 Cosmetics+9 | Registered | 1974 |
| COOLSHOT 2268523 | Engineering Seismology Group Canada Inc. | 9 Electronics | Pending | 2023 |
| COLGATE 1933433 · TMA1176050 · design | COLGATE-PALMOLIVE CANADA INC. | 3 Cosmetics5 Pharmaceuticals10 Medical+1 | Registered | 2023 |
| COILJET 1797513 · TMA994652 | Diversitech Corporation | 7 Machines | Registered | 2018 |
| COLLECT 1694659 · TMA991133 · design | Rewardjunkie Limited | 35 Advertising | Registered | 2018 |
| COOLSET 1664509 · TMA904222 | Covia Solutions Inc. | 1 Chemicals | Registered | 2015 |
| COLOKIT 1638249 · TMA945459 · design | THIEN LONG GROUP CORPORATION | 2 Paints16 Paper | Registered | 2016 |
| COLOKIT 1638244 · TMA924418 · design | THIEN LONG GROUP CORPORATION | 2 Paints16 Paper18 Leather | Registered | 2015 |
| COOLACT 1596343 · TMA906345 | TAKASAGO KORYO KOGYO KABUSHIKI KAISHA (a/t/a Takasago International Corporation) | 1 Chemicals3 Cosmetics30 Coffee | Registered | 2015 |
| COLGATE 1517213 · TMA817521 | COLGATE-PALMOLIVE CANADA INC. | 3 Cosmetics21 Housewares | Registered | 2012 |
| COILJET 1503320 · TMA820552 | CalFrac Well Services Ltd. | 1 Chemicals37 Construction40 Treatment+1 | Registered | 2012 |
| COLLECT 1348951 · TMA712232 | Manufacturing Systems Corp. | 9 Electronics | Registered | 2008 |
| COLGATE 1283530 · TMA725931 · design | COLGATE-PALMOLIVE CANADA INC. | 3 Cosmetics | Registered | 2008 |
| COLGATE 1102270 · TMA568300 | COLGATE-PALMOLIVE CANADA INC. | 30 Coffee | Registered | 2002 |
| COOLJET 0884156 · TMA524704 | HUSKY INJECTION MOLDING SYSTEMS LTD. | 11 Lighting | Registered | 2000 |
| COLGATE 0716219 · TMA443455 · design | COLGATE-PALMOLIVE CANADA INC. | 3 Cosmetics | Registered | 1995 |