| SON 2151051 · TMA1232224 | SON | 1 Chemicals | Registered | 2024 |
| SON 1744788 · TMA957094 · design | SPLENDOUR INTERNATIONAL ENTERPRISES CO. LTD. | 5 Pharmaceuticals | Registered | 2016 |
| U-SON 2040071 · TMA1162252 | W & H Deutschland GmbH | 7 Machines11 Lighting | Registered | 2023 |
| DO SON 1268544 · TMA770760 | an individual | 3 Cosmetics | Registered | 2010 |
| JD SON 2118589 · design | an individual | 9 Electronics31 Fresh35 Advertising+1 | Pending | 2021 |
| 7TH SON 1445359 · TMA894146 | Mitolo Wines Aust Pty Ltd | 33 Wine | Registered | 2015 |
| VAN SON 0798258 · TMA467238 · design | VAN SON HOLLAND INK CORPORATION OF AMERICA, A CORPORATION OF DELAWARE | 2 Paints | Registered | 1996 |
| VAN SON 0650112 · TMA441994 | VAN SON HOLLAND INK CORPORATION OF AMERICA, (A DELAWARE CORPORATION) | 2 Paints | Registered | 1995 |
| SAM-SON 0398703 · TMA222025 | Samuel, Son & Co. Limited | 6 Metal | Registered | 1977 |
| LUMA SON 2014283 · TMA1167634 · design | an individual | 5 Pharmaceuticals | Registered | 2023 |
| Mark & Son 1768133 · TMA973706 | 9262-4444 quebec inc. | 30 Coffee35 Advertising | Registered | 2017 |
| DURA-SON 1069122 · TMA564090 | Dura Undercushions Ltd. | 17 Rubber19 Building | Registered | 2002 |
| SON HOUSE 1842284 · TMA1097704 | SON HOUSE PRODUCTIONS INC. | 25 Clothing38 Telecommunications41 Education | Registered | 2021 |
| WATSON & SON 2048383 · TMA1273718 · design | Oha Honey Limited Partnership | 30 Coffee | Registered | 2024 |
| KAPTEN & SON 1920788 · TMA1127846 | Kapten & Son GmbH | 9 Electronics14 Jewellery18 Leather | Registered | 2022 |
| KAPTEN & SON 1785031 · TMA1028776 · design | Kapten & Son GmbH | 9 Electronics14 Jewellery35 Advertising | Registered | 2019 |
| MUR DU SON 1610466 · TMA873459 | DUFOUR ÉVÈNEMENTS, SPECTACLES ET IMAGE INC. | 6 Metal9 Electronics14 Jewellery+7 | Registered | 2014 |
| RENT-A-SON 1495657 · TMA808822 | Rent-A-Son Inc. | 35 Advertising37 Construction39 Transport+3 | Registered | 2011 |
| Réflex-son 1487041 · TMA816634 | Matériaux Spécialisés Louiseville inc. | 17 Rubber19 Building | Registered | 2012 |
| ARNOLD & SON 1147995 · TMA612010 · design | Manufacture La Joux-Perret SA | 14 Jewellery | Registered | 2004 |
| WESTERN SON 1932121 · TMA1118390 | Micro Intellectual Company LLC | 33 Wine | Registered | 2022 |
| SIXIEME SON 2204599 | an individual | 9 Electronics35 Advertising41 Education+1 | Pending | 2022 |
| SON OF A GUN 1852997 · TMA1058054 | Russell Distillers Limited | 33 Wine | Registered | 2019 |
| VAN SON INKS 0450202 · TMA462008 · design | VAN SON HOLLAND INK CORPORATION OF AMERICA, (A DELAWARE CORPORATION) | 1 Chemicals2 Paints16 Paper | Registered | 1996 |
| WM LEWIS & SON 0438970 · TMA273348 | Conn-Selmer, Inc. | 15 Musical | Registered | 1982 |