| COMPUTER BLUE 1044089 · TMA558070 | Southwire Company, LLC (a Delaware corporation) | 9 Electronics | Registered | 2002 |
| COMPUTER BUGS 1020036 · TMA560483 | an individual | 28 Toys | Registered | 2002 |
| COMPUTER MATE 0779562 · TMA458091 | Gentec, A Partnership consisting of 901089 Ontario Limited and Days Fashions Limited | 9 Electronics | Registered | 1996 |
| COMPUTER CITY 0685001 · TMA438238 | Best Buy Canada Ltd. / Magasins Best Buy Ltee | 35 Advertising37 Construction41 Education | Registered | 1995 |
| COMPUTER CASH 0915135 | WESTERN CANADA LOTTERY CORPORATION | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2003 |
| AVITA COMPUTER 1893758 · TMA1091156 | VENTURER ELECTRONICS INC. | 9 Electronics16 Paper | Registered | 2021 |
| COMPUTER GEEKS 1430478 · TMA809058 | Compgeeks.com | 35 Advertising42 Science | Registered | 2011 |
| BEAUTY COMPUTER 1887143 · TMA1139057 | Islestarr Holdings Limited | 3 Cosmetics9 Electronics44 Medical | Registered | 2022 |
| COMPUTER VALLEY 1532696 · TMA873238 | an individual | 9 Electronics35 Advertising | Registered | 2014 |
| COMPUTER CONDOM 1511279 · TMA858830 | an individual | 6 Metal9 Electronics10 Medical+5 | Registered | 2013 |
| COMPUTER COLLAR 1468775 · TMA794633 | Invisible Fence, Inc. | 9 Electronics | Registered | 2011 |
| COMPUTER TRADER 0609474 · TMA448473 | Trader Corporation | 16 Paper | Registered | 1995 |
| COMPUTER PEOPLE 0492039 · TMA358468 | an individual | 9 Electronics16 Paper24 Textiles+1 | Registered | 1989 |
| PATTERN COMPUTER 1866857 · TMA1057074 | Pattern Computer, Inc. | 9 Electronics | Registered | 2019 |
| COMPUTER FUTURES 1765126 · TMA966284 | SThree IP Limited | 35 Advertising36 Finance | Registered | 2017 |
| PCCYBER COMPUTER 1487576 · TMA807759 · design | Taotec Enterprise Inc. | 35 Advertising37 Construction39 Transport | Registered | 2011 |
| CAPTAIN COMPUTER 1191259 · TMA621693 | an individual | 9 Electronics37 Construction42 Science | Registered | 2004 |
| THE COMPUTER GUY 0890256 · TMA528048 | THE COMPUTER GUY YOUR NETWORKING PARTNER INC. | 9 Electronics14 Jewellery16 Paper+2 | Registered | 2000 |
| COMPUTER SHOPPER 0886026 · TMA627051 | ZIFF DAVIS, LLC | 41 Education42 Science | Registered | 2004 |
| MONSTER COMPUTER 0857562 · TMA530302 | Monster, Inc. (a California corporation) | 9 Electronics | Registered | 2000 |
| MY COMPUTER WORKS 1977751 · TMA1253363 | My Computer Works, Inc. | 42 Science | Registered | 2024 |
| COMPUTER WARRIORS 0643815 · TMA405097 | Mattel, Inc. | 28 Toys | Registered | 1992 |
| YOUR COMPUTER TECH. 1535583 · TMA832296 | YCG YOUR COMPUTER GUY INC. | 9 Electronics14 Jewellery16 Paper+5 | Registered | 2012 |
| PARTSTOCK COMPUTER 1438458 · TMA769326 | PartStock Computer (2013) Corp. | 9 Electronics37 Construction | Registered | 2010 |
| COMPUTER EXPLORERS 1277600 · TMA693399 | The IT Educational Company Ltd. | 41 Education | Registered | 2007 |