| CORNELIS 2141753 | Cornelis Networks, Inc. | 9 Electronics | Pending | 2021 |
| CORNELL 1768923 · TMA1117228 | Cornell Pump Company LLC | 7 Machines | Registered | 2022 |
| CORNELL 2072311 | ROBERN, INC. | 20 Furniture | Pending | 2020 |
| CORNELL 2067492 · design | CORNELLCOOKSON, LLC | 40 Treatment | Pending | 2020 |
| CORNELL 2067491 · design | CORNELLCOOKSON, LLC | 35 Advertising | Pending | 2020 |
| CORNELL 0917616 | CORNELL UNIVERSITY | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2006 |
| Cornelius 1945126 · TMA1174112 | Investissement Immobilier Groupe Maurice Inc. | 37 Construction43 Restaurants | Registered | 2023 |
| CORNELIUS 1708547 · TMA960052 | Marmon Foodservice Technologies, Inc. | 6 Metal7 Machines11 Lighting+3 | Registered | 2017 |
| CORNELIUS 0673564 · TMA392915 | Kellogg Company | 30 Coffee | Registered | 1992 |
| CORNELIUS 0271580 · TMA153950 · design | Marmon Foodservice Technologies, Inc. | 6 Metal7 Machines9 Electronics+6 | Registered | 1967 |
| CORNELIUS 2164700 | TRÉVI FABRICATION INC. | 6 Metal19 Building22 Ropes | Pending | 2022 |
| CORNWELL 0710138 · TMA431001 | THE CORNWELL QUALITY TOOLS CO. | 6 Metal9 Electronics12 Vehicles+2 | Registered | 1994 |
| CORNELLS 2305206 · design | an individual | 3 Cosmetics | Pending | 2024 |
| CORNWELL 2043643 | Delta Faucet Company | 6 Metal11 Lighting17 Rubber | Pending | 2020 |
| CORONEL 2224616 · TMA1202079 | an individual | 43 Restaurants | Registered | 2023 |
| CORNELLOKI 1111104 · TMA587368 | April Cornell Holdings, Ltd. (a Vermont corporation) | 18 Leather21 Housewares24 Textiles+4 | Registered | 2003 |
| CORNELIANI 0452932 · TMA259157 | an individual | 25 Clothing | Registered | 1981 |
| CARNELIAN 1450224 · TMA779289 | COLD SPRING GRANITE COMPANY | 19 Building | Registered | 2010 |
| CORNELLANA 1028854 · TMA543500 | an individual | 33 Wine | Registered | 2001 |
| CARMEL 2179606 · TMA1245113 | ART CARPET CANADA INC. | 27 Carpets | Registered | 2024 |
| CARMEL 1985575 · TMA1283735 | GROUPE CARMEL INC./CARMEL GROUP INC. trading as CARMEL INDUSTRIES/LES INDUSTRIES CARMEL | 2 Paints5 Pharmaceuticals16 Paper | Registered | 2025 |
| Carmela 1829216 · TMA1011275 | Owner not shown | 31 Fresh | Registered | 2018 |
| CRONEL 1365079 · TMA753581 | Gennco International, Inc. (an Illinois corporation) | 14 Jewellery | Registered | 2009 |
| CARNAL 1144891 · TMA593923 | an individual | 1 Chemicals7 Machines29 Meat | Registered | 2003 |
| CARMEL 0775138 · TMA516000 | Owner not shown | 30 Coffee | Registered | 1999 |