| COUNTACC!! 1597210 · TMA861271 | Owner not shown | 33 Wine | Registered | 2013 |
| CONNTACT 2119361 · TMA1217076 | Xenon Arc, Inc. | 42 Science | Registered | 2024 |
| CONTACT 1954991 · TMA1234135 | PLAY'N GO MARKS LIMITED | 9 Electronics28 Toys41 Education | Registered | 2024 |
| CONTECH 1806549 · TMA1012240 | an individual | 37 Construction | Registered | 2019 |
| Contact 1803080 · TMA989810 | NORAC CONCEPTS, INC. | 1 Chemicals | Registered | 2018 |
| CONTACT 1710107 · TMA981556 | This is Blueprint Management Ltd. | 9 Electronics16 Paper25 Clothing+2 | Registered | 2017 |
| CONTACT 1707156 · TMA949838 | David Astley & Company Inc. | 25 Clothing | Registered | 2016 |
| COUNTEC 1642682 · TMA944868 · design | Countec Co. Ltd. Korean Corporation | 7 Machines | Registered | 2016 |
| CONTACK 1628926 · TMA908471 | GESTION IMMOBILIÈRE GT INC. | 19 Building | Registered | 2015 |
| CONTACT 1532499 · TMA876499 | Bunzl IP Holdings, LLC | 21 Housewares | Registered | 2014 |
| CONTACT 1496828 · TMA860746 · design | NATIONAL TOUR ASSOCIATION, INC. a legal entity | 35 Advertising39 Transport | Registered | 2013 |
| CONTACT 1395344 · TMA756373 | ConvaTec Inc. | 9 Electronics16 Paper | Registered | 2010 |
| CONTACT 1381162 · TMA753810 · design | Fempro Consumer Products ULC | 5 Pharmaceuticals | Registered | 2009 |
| CONTACT 1366959 · TMA780646 | CONTINENTAL REIFEN DEUTSCHLAND GMBH | 7 Machines12 Vehicles17 Rubber | Registered | 2010 |
| CONTACT 1322777 · TMA747826 | Owner not shown | 14 Jewellery | Registered | 2009 |
| CONTACT 1302920 · TMA697110 | Contact Toronto Photography Association | 16 Paper41 Education | Registered | 2007 |
| CONTACT 1249082 · TMA691514 · design | Unomedical A/S (a Danish public limited company) | 10 Medical | Registered | 2007 |
| CONTACT 1039565 · TMA557932 | Amoena Medizin-Orthopadie-Technik GmbH | 10 Medical25 Clothing | Registered | 2002 |
| CONTACT 0771528 · TMA458985 · design | Owner not shown | 6 Metal9 Electronics12 Vehicles+2 | Registered | 1996 |
| CONTACT 0730469 · TMA438110 | INTERNATIONAL QUEST PERSONNEL CONSULTANTS INC. | 35 Advertising41 Education | Registered | 1995 |
| CONTACT 0621930 · TMA378297 | The Canada Life Assurance Company | 35 Advertising44 Medical | Registered | 1991 |
| CONTACT 0541082 · TMA361435 · design | K-D HERMANN GMBH CONTACT-PREISAUSZEICHNUNG-ETIKETTIERSYSTEME | 7 Machines16 Paper | Registered | 1989 |
| CONTAC 0284293 · TMA139612 | Vespyr Brands, Inc. | 5 Pharmaceuticals | Registered | 1965 |
| CONTAC 0267263 · TMA132778 | Vespyr Brands, Inc. | 5 Pharmaceuticals | Registered | 1963 |
| CONTAKT 1984597 · TMA1121565 · design | Umdasch Group NewCon GmbH | 9 Electronics35 Advertising37 Construction+1 | Registered | 2022 |