| COMPACTSCR 2063711 | Johnson Matthey Public Limited Company | 7 Machines | Pending | 2020 |
| COMPACTOR 1739371 · TMA999054 · design | CIE EUROPE (Société par actions simplifiée) | 6 Metal9 Electronics14 Jewellery+3 | Registered | 2018 |
| Compactdry 1697839 · TMA936562 | NISSUI PHARMACEUTICAL CO. LTD. | 5 Pharmaceuticals | Registered | 2016 |
| COMPACTOR 1622005 · TMA900778 · design | CIE EUROPE (Société par actions simplifiée) | 16 Paper18 Leather20 Furniture | Registered | 2015 |
| COMPACTOR 1552149 · TMA868110 | CIE EUROPE (Société par actions simplifiée) | 16 Paper18 Leather20 Furniture | Registered | 2014 |
| COMPACTCEM 1505109 · TMA808116 | CIMENT QUEBEC INC. | 19 Building | Registered | 2011 |
| COMPACTS 1090279 · TMA581379 | GROUPE INTERNATIONAL TRAVELWAY INC./TRAVELWAY GROUP INTERNATIONAL INC. | 18 Leather | Registered | 2003 |
| COMPACTS 0519184 · TMA308676 | GROUPE INTERNATIONAL TRAVELWAY INC./TRAVELWAY GROUP INTERNATIONAL INC. | 14 Jewellery18 Leather21 Housewares+1 | Registered | 1985 |
| CompactStar 2215329 | Owner not shown | 9 Electronics | Pending | 2022 |
| CompactSmoke 1820801 · TMA1140775 | Owner not shown | 9 Electronics11 Lighting37 Construction | Registered | 2022 |
| CompactCurve 1612976 · TMA892451 | an individual | 9 Electronics | Registered | 2014 |
| CompactMD 2156800 · TMA1207839 | an individual | 44 Medical | Registered | 2023 |
| CompactTube 2071712 · TMA1177248 | ROBERT BOSCH GMBH | 9 Electronics12 Vehicles | Registered | 2023 |
| COMPACTIUM 1666737 · TMA900566 | manuflow inc. | 11 Lighting | Registered | 2015 |
| COMPACTMAG 1657622 · TMA957784 | an individual | 6 Metal | Registered | 2016 |
| COMPACT 1584456 · TMA891886 | GPCP IP Holdings LLC | 21 Housewares | Registered | 2014 |
| COMPACT 1521462 · TMA843528 | GPCP IP Holdings LLC | 16 Paper | Registered | 2013 |
| CompackHeat 1509231 · TMA832332 | Armserv Contracting Inc. | 11 Lighting | Registered | 2012 |
| COMPACTPREP 1280762 · TMA717179 | QIAGEN GMBH | 1 Chemicals5 Pharmaceuticals9 Electronics | Registered | 2008 |
| CompAssist 1177687 · TMA615111 | The Canada Life Assurance Company | 36 Finance | Registered | 2004 |
| COMPACTLINE 1114921 · TMA641907 | an individual | 9 Electronics | Registered | 2005 |
| COMPACT 1064577 · TMA589767 | ITT Manufacturing Enterprises LLC | 7 Machines | Registered | 2003 |
| COMPACTA 0742649 · TMA469099 | Ergotron, Inc. | 17 Rubber20 Furniture | Registered | 1997 |
| COMPACT 0734734 · TMA460414 | Hoffman Enclosures Inc., dba Pentair Technical Products, (a Minnesota corporation) | 9 Electronics | Registered | 1996 |
| COMPACT 0626761 · TMA387940 | GPCP IP Holdings LLC | 16 Paper | Registered | 1991 |