| SRS 1758740 · TMA999629 | Owner not shown | 9 Electronics | Registered | 2018 |
| SRC 1695529 · TMA979416 · design | The Saskatchewan Research Council | 40 Treatment42 Science44 Medical | Registered | 2017 |
| SRC 1593221 · TMA913662 | an individual | 7 Machines | Registered | 2015 |
| SRC 1395311 · TMA798079 | SPX Cooling Technologies, Inc. | 7 Machines | Registered | 2011 |
| SRC 1349095 · TMA737944 | SRC Holdings Corporation | 7 Machines12 Vehicles | Registered | 2009 |
| SRS 0787190 · TMA468581 · design | SAFETY RESTRAINT SYSTEMS INC. | 37 Construction | Registered | 1997 |
| SRC 0626771 · TMA376730 · design | SRC Holdings Corporation | 7 Machines | Registered | 1990 |
| SRS 0625794 · TMA365588 | DTS LLC (a Delaware limited liability company) | 9 Electronics | Registered | 1990 |
| SRS 0511650 · TMA309241 · design | TENNANT COMPANY | 7 Machines | Registered | 1985 |
| SRS 2135073 | Northlink Supply Ltd. | 1 Chemicals17 Rubber19 Building+2 | Pending | 2021 |
| SRSI 0924523 | SA MAJESTÉ LA REINE DU CHEF DU CANADA, REPRÉSENTÉE PAR LE MINISTRE DES RESSOURCES NATURELLES | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2017 |
| SRC 0922891 · design | The Saskatchewan Research Council | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2015 |
| SRC 0920200 · design | The Saskatchewan Research Council | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2010 |
| SRC 0919521 | The Saskatchewan Research Council | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2009 |
| SRC 0914740 | Canadian Broadcasting Corporation / Société Radio-Canada | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2003 |
| SRS 0903180 | HER MAJESTY THE QUEEN IN RIGHT OF THE PROVINCE OF BRITISH COLUMBIA, REPRESENTED BY THE MINISTER OF ADVANCED EDUCATION AND JOB TRAINING | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1988 |
| SORSE 1885648 · TMA1100021 | Sorse Technology Corporation | 32 Beer33 Wine35 Advertising+1 | Registered | 2021 |
| SERAC 1810547 · TMA1074862 | SERAC ENTERPRISES LTD. | 41 Education42 Science | Registered | 2020 |
| SHREC 1513186 · TMA842101 | an individual | 41 Education42 Science45 Legal | Registered | 2013 |
| SERSA 1463485 · TMA793729 | Owner not shown | 6 Metal9 Electronics12 Vehicles+1 | Registered | 2011 |
| SIRAC 0751974 · TMA451831 | Owner not shown | 12 Vehicles | Registered | 1995 |
| SORSO 2214800 · design | Owner not shown | 29 Meat | Pending | 2022 |
| SOROC 1992906 · design | Soroc Data Services Limited | 35 Advertising42 Science | Pending | 2019 |
| SOROC 1992905 | Soroc Data Services Limited | 35 Advertising42 Science | Pending | 2019 |
| SERESCO 1193409 · TMA634877 · design | SOLUTIONS D'AIR DÉSHUMIDIFIÉ INC./DEHUMIDIFIED AIR SOLUTIONS INC. | 11 Lighting42 Science | Registered | 2005 |