| CHONDROGEN 1652673 · TMA924264 | an individual | 5 Pharmaceuticals | Registered | 2015 |
| CONTROLENS 0156586 · TMDA54091 | ABL IP Holding LLC | 11 Lighting19 Building20 Furniture+1 | Registered | 1932 |
| CONTROLEX 1526419 · TMA854782 | JAMP PHARMA CORPORATION | 5 Pharmaceuticals9 Electronics16 Paper | Registered | 2013 |
| CONTROGAS 1400991 · TMA814555 | General Electric Technology GmbH | 7 Machines9 Electronics37 Construction+2 | Registered | 2011 |
| CONTROCLEAN 1400987 · TMA814560 | ALSTOM POWER SYSTEMS SA | 9 Electronics11 Lighting37 Construction+2 | Registered | 2011 |
| CONTROVENTO 0550280 · TMA320282 | Jaytex of Canada Limited | 25 Clothing | Registered | 1986 |
| CENTROVENA 1822361 · TMA1040650 | C.R. BARD, INC. A LEGAL ENTITY | 10 Medical | Registered | 2019 |
| CONTRABEAN 1792579 · TMA997160 | an individual | 7 Machines9 Electronics11 Lighting+4 | Registered | 2018 |
| CONTROCELL 1702197 · TMA941653 | Immulab Pty Ltd. | 1 Chemicals5 Pharmaceuticals9 Electronics+1 | Registered | 2016 |
| CONTROLNET 1664312 · TMA901022 | Controlnet Services d'Entretien d'Immeubles Inc. | 37 Construction | Registered | 2015 |
| CONTROLLER 1633677 · TMA906905 | Sandhills Global, Inc. | 16 Paper35 Advertising | Registered | 2015 |
| CONTROHEAT 1610106 · TMA888538 | Controls Southeast, Inc. | 6 Metal | Registered | 2014 |
| CONTROLTEX 1190821 · TMA618596 | STANDARD TEXTILE CO. INC. (An Alabama Corporation) | 9 Electronics35 Advertising41 Education+1 | Registered | 2004 |
| CONTROLGMC 1113910 · TMA600642 · design | Contrôle GMC inc. | 7 Machines20 Furniture34 Tobacco | Registered | 2004 |
| CONTROLNET 1966020 | ODVA, Inc. | 9 Electronics35 Advertising | Pending | 2019 |
| CONTROLLA 2167151 · TMA1241121 · design | CONTROLLA LIMITED | 42 Science | Registered | 2024 |
| Controlit 1994536 · TMA1101730 | Owner not shown | 37 Construction | Registered | 2021 |
| CONTROFAB 1946882 · TMA1161755 · design | N.B. Automation inc. | 9 Electronics35 Advertising42 Science | Registered | 2023 |
| Controx 1780731 · TMA1037389 | Chemische Werke Kluthe GmbH | 1 Chemicals2 Paints3 Cosmetics | Registered | 2019 |
| CONTROL4 1654236 · TMA925354 | Snap One, LLC | 9 Electronics35 Advertising37 Construction+2 | Registered | 2016 |
| CONTRINEX 1618878 · TMA910772 · design | Contrinex SA | 9 Electronics | Registered | 2015 |
| CONTROLGX 1594277 · TMA895398 · design | Combe Incorporated | 3 Cosmetics | Registered | 2015 |
| CENTRON 1580567 · TMA859569 | TBC Trademarks, LLC | 12 Vehicles | Registered | 2013 |
| CONTROIL 1564731 · TMA896766 | Unilever Canada Inc. | 3 Cosmetics | Registered | 2015 |
| CONTROL 1541512 · TMA884948 | an individual | 36 Finance | Registered | 2014 |