| CO2NTAIN 2156145 · TMA1232247 · design | Mitsubishi Heavy Industries, Ltd. | 40 Treatment | Registered | 2024 |
| CONTAINEX 1686182 · TMA1040384 | Owner not shown | 6 Metal19 Building36 Finance+3 | Registered | 2019 |
| CHANTAINE 1305065 · TMA754509 | CHATAM INTERNATONAL INCORPORATED, a legal entity | 29 Meat | Registered | 2009 |
| CONTAMINEX 0512556 · TMA294190 | Voith Patent GmbH | 7 Machines | Registered | 1984 |
| CHEMTAINER 0428240 · TMA245661 | CANBAR INC. | 6 Metal8 Hand11 Lighting+11 | Registered | 1980 |
| CAMTAINER 0406359 · TMA232406 | Infastech Intellectual Properties Pte. Ltd. | 6 Metal | Registered | 1979 |
| CONTINEX 0257833 · TMA120896 | International CSRC Investment Holdings Co. Ltd. | 1 Chemicals | Registered | 1961 |
| CONTAINEASY 1786225 · TMA984768 | an individual | 6 Metal16 Paper17 Rubber+3 | Registered | 2017 |
| ContainAire 1560557 · TMA862246 | Tate Access Floors, Inc. | 19 Building20 Furniture | Registered | 2013 |
| CONTAINERWERK 1845375 · TMA1048585 | Containerwerk eins GmbH | 6 Metal36 Finance42 Science | Registered | 2019 |
| CONTAINERWEST 1209979 · TMA654922 | ContainerWest Manufacturing Ltd. | 6 Metal | Registered | 2005 |
| CONTAINERWEST 1209673 · TMA655270 | ContainerWest Manufacturing Ltd. | 35 Advertising39 Transport | Registered | 2005 |
| ContainerMart 2294253 | 7811420 Canada Ltd | 35 Advertising | Pending | 2023 |
| CONTAINERPROS 2144531 | Wastequip, LLC | 35 Advertising36 Finance37 Construction+3 | Pending | 2021 |
| CONTINO 2138011 · TMA1218187 · design | an individual | 33 Wine | Registered | 2024 |
| CONTENDER 2023919 · TMA1202433 | an individual | 6 Metal7 Machines17 Rubber | Registered | 2023 |
| CONTENDER 1894477 · TMA1107917 | Mosaic Sales Solutions US Operating Co. LLC | 35 Advertising | Registered | 2021 |
| CONTENDER 1879834 · TMA1087044 | APPLETON GRP LLC | 11 Lighting | Registered | 2020 |
| CONTINO 1806548 · TMA991949 | Life360 Innovations Inc. | 10 Medical | Registered | 2018 |
| ContiMine 1753364 · TMA997964 | CONTINENTAL REIFEN DEUTSCHLAND GMBH | 12 Vehicles | Registered | 2018 |
| CONTENDER 1684969 · TMA937295 | Interprovincial Cooperative Limited | 5 Pharmaceuticals | Registered | 2016 |
| CENTINE 1264484 · TMA666853 | Banfi Products Corporation | 33 Wine | Registered | 2006 |
| CONTANS 1052276 · TMA563727 | an individual | 1 Chemicals | Registered | 2002 |
| CONTINUA 1048250 · TMA619888 | Hoya Optical Labs of America, Inc. | 9 Electronics | Registered | 2004 |
| CONTIN 0795524 · TMA470405 | an individual | 5 Pharmaceuticals | Registered | 1997 |