| CINNWICH 0637215 · TMA376527 | 10036412 Canada Inc. | 30 Coffee | Registered | 1990 |
| CONCH 1992492 · TMA1152666 · design | Anhui Conch Group Company Limited | 6 Metal | Registered | 2022 |
| CHIMWICH 1883616 · TMA1095450 | Eva's Franchise Corp. | 14 Jewellery25 Clothing30 Coffee+3 | Registered | 2021 |
| CONCH 1642698 · TMA917564 · design | Anhui Conch Group Company Limited | 6 Metal19 Building20 Furniture | Registered | 2015 |
| CONICA 1435360 · TMA770957 | Construction Research & Technology GmbH | 1 Chemicals2 Paints | Registered | 2010 |
| CONEC 1400901 · TMA800798 | Airolift LLC | 7 Machines | Registered | 2011 |
| CONEC 0804718 · TMA476610 | CONEC CORPORATION | 9 Electronics | Registered | 1997 |
| ComWish 2314502 | an individual | 18 Leather | Pending | 2024 |
| CONSCO 2256123 · TMA1279193 | LES ALIMENTS CONSCO FOODS INC. | 29 Meat35 Advertising39 Transport+1 | Registered | 2024 |
| CONZIE 2210789 · TMA1242970 | Dongguan Conzie Electronics Co., Ltd | 11 Lighting | Registered | 2024 |
| ConIX 2160128 · TMA1211070 | Conductive Energy Inc. | 1 Chemicals | Registered | 2023 |
| COMMISH 2142147 · TMA1201525 · design | COMMISH | 18 Leather25 Clothing | Registered | 2023 |
| COMICA 2033649 · TMA1163234 · design | SHENZHEN COMMLITE TECHNOLOGY CO.LTD. | 9 Electronics | Registered | 2023 |
| CANWISE 1957213 · TMA1136723 | Ratehub Inc. | 36 Finance | Registered | 2022 |
| CINECO 1953841 · TMA1133668 · design | Zonsen Industrial Group Co. Ltd. | 12 Vehicles | Registered | 2022 |
| CYNCH 1902067 · TMA1096085 | Corus Entertainment Inc. | 9 Electronics35 Advertising42 Science | Registered | 2021 |
| CONNEC 1889402 · TMA1074412 | 9001-6262 Québec inc. | 9 Electronics18 Leather25 Clothing+1 | Registered | 2020 |
| CINCH 1889368 · TMA1071659 | Fox Factory, Inc. | 12 Vehicles | Registered | 2020 |
| CINCH 1860286 · TMA1082228 | Cinch Home Services, Inc. | 35 Advertising36 Finance37 Construction+1 | Registered | 2020 |
| CYNCH 1860116 · TMA1055744 | Amerlux, LLC | 11 Lighting | Registered | 2019 |
| CNCH 1824380 · TMA1070574 | MILLER BRANDS LLC | 25 Clothing | Registered | 2020 |
| CINCH 1814076 · TMA1014188 | Cinch Traps LLC, an Oregon Limited Liability Company | 6 Metal | Registered | 2019 |
| CINCH 1726741 · TMA1053114 | Cinch Systems, Inc. | 9 Electronics | Registered | 2019 |
| CANICHE 1675755 · TMA969397 | Ancaster Hospitality Co. Ltd. | 29 Meat30 Coffee35 Advertising+2 | Registered | 2017 |
| CONCO 1625112 · TMA899713 | Conco Services, LLC | 6 Metal7 Machines11 Lighting+5 | Registered | 2015 |