| STARTUP 1683272 · TMA962274 | 2547181 ONTARIO LIMITED | 35 Advertising41 Education | Registered | 2017 |
| STARTUP 1524258 · TMA876155 | Apple Inc. | 35 Advertising41 Education42 Science | Registered | 2014 |
| STARTUP 1454379 · TMA783586 | LOVELAND PRODUCTS CANADA INC. | 1 Chemicals5 Pharmaceuticals31 Fresh | Registered | 2010 |
| STARTUPOS 2226903 | StartupOS, Inc. | 9 Electronics35 Advertising42 Science | Pending | 2022 |
| STARTUP 2212246 · design | an individual | 35 Advertising | Pending | 2022 |
| STARTCUP 2188582 · TMA1234596 | Owner not shown | 35 Advertising41 Education | Registered | 2024 |
| STARTUM 2022106 · TMA1132284 | an individual | 35 Advertising36 Finance45 Legal | Registered | 2022 |
| STARTOP 1887581 · TMA1125926 · design | an individual | 41 Education | Registered | 2022 |
| STARTUPCAMP 1864847 · TMA1066574 | RAGINGBULL.COM, LLC | 41 Education | Registered | 2019 |
| STARTSPACE 1699373 · TMA930808 | StartSpace Inc. | 36 Finance | Registered | 2016 |
| STRATUS 30 1309608 · TMA728898 | Bosch Security Systems, LLC. | 9 Electronics | Registered | 2008 |
| STARTGUARD 2121371 | Bradford White-Canada, Inc. | 11 Lighting | Pending | 2021 |
| STRATUS360 1985230 | PricewaterhouseCoopers LLP | 9 Electronics35 Advertising42 Science | Pending | 2019 |
| STARDUST 2246165 · TMA1263256 | Owner not listed | 3 Cosmetics | Registered | 2024 |
| STARTRC 2197331 · TMA1238346 · design | Shenzhen Starfield Technology Co., Ltd. | 28 Toys | Registered | 2024 |
| Stardust 2159476 · TMA1219219 | WELCH TECHNOLOGY (SHEN ZHEN) CO. LIMITED | 34 Tobacco | Registered | 2024 |
| START 2131040 · TMA1222134 · design | START USA, INC. | 9 Electronics | Registered | 2024 |
| StaRT 2037153 · TMA1143680 | Rio Tinto Alcan Inc. | 6 Metal40 Treatment41 Education+1 | Registered | 2022 |
| START 2022598 · TMA1267900 · design | Life Voice Canada Inc. | 9 Electronics16 Paper41 Education+1 | Registered | 2024 |
| STARDUST 1987023 · TMA1099117 | Stardust Cards Corporation | 36 Finance | Registered | 2021 |
| STARTAB 1973029 · TMA1237996 | BPSI Holdings LLC | 5 Pharmaceuticals | Registered | 2024 |
| STARTOUT 1937095 · TMA1159630 | StartOut | 35 Advertising41 Education42 Science | Registered | 2023 |
| STARTRACK 1907448 · TMA1123587 | OldCastle Building Products Canada, Inc. | 19 Building | Registered | 2022 |
| START 1867412 · TMA1043550 | The Gillette Company LLC | 8 Hand | Registered | 2019 |
| STARTEX 1856793 · TMA1019291 · design | Univar Solutions Canada Ltd. | 2 Paints3 Cosmetics | Registered | 2019 |