| COMPUSCOPE 0604829 · TMA358946 | Gage Applied Technologies Inc. | 9 Electronics | Registered | 1989 |
| COMPUSOFT 2066746 · TMA1216834 · design | an individual | 9 Electronics35 Advertising37 Construction+1 | Registered | 2024 |
| COMPOSIT 1829538 · TMA1058979 · design | Limited Liability Company "Composit" | 12 Vehicles17 Rubber19 Building+6 | Registered | 2019 |
| COMPOSIT 1517345 · TMA869731 · design | Limited Liability Company "Composit" | 12 Vehicles17 Rubber | Registered | 2014 |
| CompAssist 1177687 · TMA615111 | The Canada Life Assurance Company | 36 Finance | Registered | 2004 |
| COMPUSPOT 1082279 · TMA567229 | A.M.H. CANADA LTÉE | 3 Cosmetics7 Machines | Registered | 2002 |
| COMPOSIT 0770120 · TMA453529 · design | IVI Checkmate Ltd. | 9 Electronics | Registered | 1996 |
| COMPUSMART 0734397 · TMA432070 | Hartco Inc. | 35 Advertising37 Construction38 Telecommunications+3 | Registered | 1994 |
| COMPUSTAT 0694548 · TMA419770 | Standard & Poor's Financial Services LLC | 9 Electronics16 Paper | Registered | 1993 |
| COMPUSOFT 0657711 · TMA388974 | an individual | 9 Electronics16 Paper35 Advertising+1 | Registered | 1991 |
| COMPUSERVE 0488823 · TMA277265 | AOL Membership Services LLC | 38 Telecommunications42 Science | Registered | 1983 |
| COMPUSCALE 0452747 · TMA251049 | Siemens Milltronics Process Instruments Inc. | 7 Machines9 Electronics | Registered | 1980 |
| COMPUSTAT 0302185 · TMA154084 | Standard & Poor's Financial Services LLC | 9 Electronics35 Advertising36 Finance+1 | Registered | 1967 |
| COMPOSIT 2079296 | Amazon Technologies, Inc. | 9 Electronics42 Science | Pending | 2021 |
| COMPUSPORT 1987341 | Compusport Inc. | 9 Electronics35 Advertising41 Education+1 | Pending | 2019 |
| COMPOST 2208633 · TMA1225514 | Eco Tan Pty Ltd | 3 Cosmetics | Registered | 2024 |
| COMBOCLIP 2045563 · TMA1183571 · design | Hangzhou AGS MedTech Co. Ltd. | 10 Medical | Registered | 2023 |
| COMPOSTIC 2012713 · TMA1129212 | COMPOSTIC LIMITED | 16 Paper | Registered | 2022 |
| COMPASSION 2003424 · TMA1281904 | Compassion International, Inc. | 36 Finance43 Restaurants44 Medical+1 | Registered | 2025 |
| CompassLite 1992572 · TMA1131528 | 1995712 Ontario Inc | 35 Advertising39 Transport41 Education+1 | Registered | 2022 |
| COMPOSOLITE 1960770 · TMA1275049 | Strongwell Corporation | 19 Building20 Furniture | Registered | 2024 |
| COMPASSION 1957869 · TMA1112409 · design | an individual | 9 Electronics16 Paper25 Clothing+3 | Registered | 2021 |
| combiSwift 1892447 · TMA1088364 | an individual | 16 Paper20 Furniture | Registered | 2020 |
| COMPASTEP 1828671 · TMA1060188 | A. Nattermann & Cie. GmbH | 3 Cosmetics5 Pharmaceuticals10 Medical+4 | Registered | 2019 |
| CAMPUSVIBE 1821673 · TMA1012410 | 3rd Age Systems Inc. | 9 Electronics41 Education42 Science | Registered | 2019 |