| CIRACONNECT 1948130 · TMA1224775 | RealManage, LLC | 42 Science | Registered | 2024 |
| CORECONNECT 1804098 · TMA1040646 | C.R. BARD, INC. A LEGAL ENTITY | 41 Education | Registered | 2019 |
| CARECONNECT 0917589 · design | VANCOUVER COASTAL HEALTH AUTHORITY | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2006 |
| CARECONNECT 0917561 | VANCOUVER COASTAL HEALTH AUTHORITY | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2006 |
| CARWASHCONNECT 1871749 · TMA1068917 · design | Digital Mosaic Corp. | 9 Electronics42 Science | Registered | 2020 |
| CRYOCANN 2084950 | CRYOMASS, LLC | 40 Treatment | Pending | 2021 |
| CrossContact 1276947 · TMA678976 | CONTINENTAL REIFEN DEUTSCHLAND GMBH | 12 Vehicles | Registered | 2007 |
| CROCON 2083315 · TMA1209518 | Crocon Technologies Pvt. Ltd. | 21 Housewares | Registered | 2023 |
| CROSSNET 2030302 · TMA1193223 | CROSSNET, LLC | 28 Toys | Registered | 2023 |
| CRYOCANADA 1652230 · TMA920708 | CryoCanada, Inc. | 7 Machines | Registered | 2015 |
| CoreContact 1531590 · TMA863520 | The Canada Life Assurance Company | 35 Advertising41 Education44 Medical+1 | Registered | 2013 |
| CHARISMA 2290168 · TMA1270335 | Owner not listed | 27 Carpets | Registered | 2024 |
| CRESCENT 2264078 · TMA1283348 | KOHLER CO. | 11 Lighting | Registered | 2025 |
| CROISSANTON 2259141 · TMA1279297 | an individual | 30 Coffee35 Advertising | Registered | 2024 |
| CHARGENCO 2249639 · TMA1267426 | LEC Lighting Enhancement Corporation | 9 Electronics37 Construction | Registered | 2024 |
| CARSCNEN 2239737 · TMA1259973 · design | Jiafeng Yongrun Trade (Guangzhou) Co. Ltd | 4 Oils | Registered | 2024 |
| CRGSM 2231297 · TMA1253959 | an individual | 25 Clothing | Registered | 2024 |
| CRESCENT 2221699 · TMA1257909 | Apex Brands, Inc. | 7 Machines | Registered | 2024 |
| CERRXIAN 2204057 · TMA1240040 · design | an individual | 9 Electronics | Registered | 2024 |
| CREAKONG 2203755 · TMA1243580 | FIT FOODS LTD. | 5 Pharmaceuticals | Registered | 2024 |
| CREAKONG 2203754 · TMA1261300 | FIT FOODS LTD. | 5 Pharmaceuticals | Registered | 2024 |
| CoreSense 2200766 · TMA1223896 | an individual | 9 Electronics | Registered | 2024 |
| Chargenyang 2189791 · TMA1233634 | an individual | 10 Medical | Registered | 2024 |
| CARGONERDS 2165420 · TMA1282564 · design | Röhlig Logistics GmbH & Co. KG | 9 Electronics39 Transport42 Science | Registered | 2025 |
| CERICOM 2159865 · TMA1275733 · design | Cericom GmbH | 7 Machines9 Electronics | Registered | 2024 |