| CRESPO 0883524 · TMA518379 | Owner not shown | 29 Meat | Registered | 1999 |
| CRUSHPROOF 0616031 · TMA370887 | THE CRUSHPROOF TUBING COMPANY | 17 Rubber | Registered | 1990 |
| CRASHPOTS 2212307 · TMA1279045 | Blueprint Technologies Ltd. | 9 Electronics41 Education | Registered | 2024 |
| CRISPTOGO 2067734 · TMA1204836 | CAVENDISH FARMS CORPORATION | 29 Meat | Registered | 2023 |
| CROWSFOOT 1984221 · TMA1269270 | IGNITE GROUP OF BRANDS INC. | 29 Meat30 Coffee33 Wine+2 | Registered | 2024 |
| CROSSVOLT 1830193 · TMA1072720 | General Motors LLC | 12 Vehicles | Registered | 2020 |
| CRISPSEAL 1806616 · TMA1048305 | Electrolux Home Products, Inc. | 11 Lighting | Registered | 2019 |
| CORKSPORT 1480013 · TMA803157 · design | CorkSport Performance LLC | 12 Vehicles | Registered | 2011 |
| CRYOSPRAY 1213798 · TMA728316 | RECKITT HEALTH PAIN (US) LLC | 5 Pharmaceuticals | Registered | 2008 |
| CRISPITOS 0551638 · TMA319004 | TYSON FOODS, INC. | 30 Coffee | Registered | 1986 |
| 360CRISP 2275139 · TMA1258544 | Kraft Foods Group Brands LLC | 30 Coffee | Registered | 2024 |
| CURSIV 2256330 · TMA1284690 · design | Asahi Kasei Bioprocess America, Inc. | 9 Electronics | Registered | 2025 |
| CROSSFRAME 2242960 · TMA1258435 | Fox Head, Inc. | 9 Electronics | Registered | 2024 |
| CRÉASOUVENIRS 2222245 · TMA1231813 | CréaSouvenirs inc. | 28 Toys | Registered | 2024 |
| CHRYSPEP 2202565 · TMA1239841 | an individual | 3 Cosmetics | Registered | 2024 |
| CARSAVERS 2193493 · TMA1272628 | Aeroplan Inc. | 35 Advertising39 Transport | Registered | 2024 |
| CROCKPOTGO 2175336 · TMA1226197 | Sunbeam Products, Inc. | 11 Lighting21 Housewares | Registered | 2024 |
| Crispeez 2172931 · TMA1262734 | 13317251 Ontario Inc | 29 Meat30 Coffee32 Beer+1 | Registered | 2024 |
| Cargoplay 2172333 · TMA1221609 | an individual | 9 Electronics12 Vehicles | Registered | 2024 |
| CIRRUSXPRO 2170915 · TMA1223088 | Richardson International Limited | 1 Chemicals | Registered | 2024 |
| Cargifak 2169203 · TMA1215460 | Zhongshan Wanzun Lighting CO. LTD | 11 Lighting | Registered | 2023 |
| CREEKCOVE 2160309 · TMA1210090 | Waverly Trading LLC. | 16 Paper | Registered | 2023 |
| CARSAVER 2159361 · TMA1272472 | Aeroplan Inc. | 35 Advertising39 Transport | Registered | 2024 |
| CRUCIFEROPRESS 2159354 · TMA1218430 | VITAZAN HERBS & VITAMINS INC. | 5 Pharmaceuticals | Registered | 2024 |
| CHARGEBACKS911 2158540 · TMA1193980 | Global E-Trading, LLC | 36 Finance42 Science | Registered | 2023 |