| SimpleTK 2045645 · TMA1150419 | Fitudio Inc. | 9 Electronics | Registered | 2022 |
| SIMPLE 2195373 · TMA1221645 | SIMPLE.LIFE APPS, INC. | 9 Electronics | Registered | 2024 |
| SIMPLEX 2116563 · TMA1222907 · design | an individual | 37 Construction | Registered | 2024 |
| SIMPLEX 2096048 · TMA1172664 | Simplex Services Inc. | 35 Advertising45 Legal | Registered | 2023 |
| SIMPLE 1894715 · TMA1093561 · design | LOBLAWS INC. | 29 Meat30 Coffee32 Beer | Registered | 2021 |
| Simplex 1803404 · TMA1104125 | SKF Marine GmbH | 7 Machines12 Vehicles17 Rubber+3 | Registered | 2021 |
| SIMPLEX 1781532 · TMA1020924 | Leemark Spinnings Limited | 11 Lighting21 Housewares24 Textiles+1 | Registered | 2019 |
| SIMPLE 1769564 · TMA1025929 · design | DANONE INC. | 29 Meat | Registered | 2019 |
| SIMPLE 1708779 · TMA1045096 · design | The PNC Financial Services Group Inc. | 35 Advertising36 Finance42 Science | Registered | 2019 |
| SIMPLE 1708774 · TMA1045095 | The PNC Financial Services Group Inc. | 35 Advertising36 Finance42 Science | Registered | 2019 |
| Simple 1595807 · TMA878379 | BIGSTEELBOX CORPORATION | 6 Metal35 Advertising39 Transport | Registered | 2014 |
| SIMPLEE 1557274 · TMA853613 | Simplee Brands Corp. | 35 Advertising41 Education43 Restaurants | Registered | 2013 |
| SIMPLE 1456721 · TMA774231 | Martin Mills Inc. | 31 Fresh | Registered | 2010 |
| SIMPLE 1406208 · TMA753856 | BBC International LLC | 9 Electronics18 Leather | Registered | 2009 |
| SIMPLER 1259669 · TMA670872 | INTERNATIONAL BUSINESS MACHINES CORPORATION | 35 Advertising | Registered | 2006 |
| SIMPLE 1258395 · TMA716187 · design | STAPLES, INC. | 35 Advertising | Registered | 2008 |
| SIMPLEX 1051514 · TMA594364 | Convoy Supply Ltd. Distribution Convoy Ltée. | 19 Building | Registered | 2003 |
| SIMPLEX 1001181 · TMA651274 | Tyco Fire & Security GmbH | 37 Construction42 Science45 Legal | Registered | 2005 |
| SIMPLEX 0854324 · TMA513366 | M.S. BASADUR & ASSOCIATES INC. | 9 Electronics35 Advertising41 Education+1 | Registered | 1999 |
| SIMPLE 0728428 · TMA446938 | BBC International LLC | 25 Clothing | Registered | 1995 |
| SIMPLEX 0501447 · TMA286109 | Kaba Ilco Corp. | 6 Metal9 Electronics20 Furniture | Registered | 1983 |
| SIMPLEX 0490367 · TMA319261 | Howmedica Osteonics Corp. | 5 Pharmaceuticals | Registered | 1986 |
| SIMPLE 0475475 · TMA271358 | an individual | 3 Cosmetics | Registered | 1982 |
| SIMPLEX 0423815 · TMA241871 | Enerpac Tool Group Corp. | 7 Machines12 Vehicles19 Building | Registered | 1980 |
| SIMPLEX 0423619 · TMA240342 · design | SKF Marine GmbH | 4 Oils6 Metal7 Machines+5 | Registered | 1980 |