| SQUARE 2114461 · TMA1278627 | BLOCK, INC. | 9 Electronics36 Finance | Registered | 2024 |
| SQUARE 1545734 · TMA905828 · design | Lexogen GmbH | 42 Science | Registered | 2015 |
| SQUARE 1474278 · TMA830724 | BLOCK, INC. | 9 Electronics36 Finance38 Telecommunications | Registered | 2012 |
| SQUARE 0701255 · TMA417078 · design | Owner not shown | 9 Electronics | Registered | 1993 |
| SQUARE 2358232 | BLOCK, INC. | 35 Advertising42 Science45 Legal | Pending | 2019 |
| SQUARE 2025237 | BLOCK, INC. | 35 Advertising42 Science45 Legal | Pending | 2019 |
| SQUARE 1 1851784 · TMA1076647 | Natural immix Health Ltd. | 5 Pharmaceuticals30 Coffee38 Telecommunications+4 | Registered | 2020 |
| SQUARE 1 1759413 · TMA1052132 · design | Natural immix Health Ltd. | 5 Pharmaceuticals16 Paper40 Treatment+1 | Registered | 2019 |
| T-Square 1479307 · TMA811344 | Global Life Sciences Solutions USA LLC | 9 Electronics | Registered | 2011 |
| 4 SQUARE 1329357 · TMA756704 | YTV CANADA, INC. | 35 Advertising38 Telecommunications41 Education | Registered | 2010 |
| 4 SQUARE 0714926 · TMA438680 · design | Weyerhaeuser NR Company | 19 Building | Registered | 1995 |
| T-SQUARE 0494423 · TMA305370 · design | BIESEMEYER MANUFACTURING CORPORATION | 7 Machines | Registered | 1985 |
| SQUARE D 0172308 · UCA10070 | SNA Holdings Inc. (a Delaware corporation) | 6 Metal7 Machines9 Electronics+3 | Registered | 1937 |
| O-SQUARE 2247301 · design | Owner not listed | 35 Advertising | Pending | 2022 |
| SQUARE D 2081737 · design | SNA Holdings, Inc. | 4 Oils9 Electronics11 Lighting+2 | Pending | 2021 |
| SQUARE D 2081727 | SNA Holdings, Inc. | 4 Oils9 Electronics11 Lighting+2 | Pending | 2021 |
| NON-SQUARE 2175845 · TMA1227078 | Taiyuan Bukefangwu Trading Co. Ltd. | 12 Vehicles | Registered | 2024 |
| SQUARE PEG 2004101 · TMA1205673 | Square Peg Capital Pty Ltd | 36 Finance | Registered | 2023 |
| SQUARE PEG 2000805 · TMA1205670 · design | Square Peg Capital Pty Ltd | 36 Finance | Registered | 2023 |
| FOX SQUARE 1955627 · TMA1199478 | Fox Media LLC | 35 Advertising38 Telecommunications41 Education | Registered | 2023 |
| SQUARE ONE 1854718 · TMA1090960 · design | Square One Property Corporation | 35 Advertising36 Finance41 Education+1 | Registered | 2021 |
| SQUARE OFF 1498812 · TMA862447 | 2190015 Ontario Inc. | 9 Electronics16 Paper18 Leather+7 | Registered | 2013 |
| SQUARE OFF 1409811 · TMA766228 | TREND ENTERPRISES, INC., A Minnesota corporation | 28 Toys | Registered | 2010 |
| SQUARE ONE 1377877 · TMA749885 | S1 Organic Vodka, LLC | 33 Wine | Registered | 2009 |
| Square Way 1363544 · TMA728683 | Topgolf Callaway Brands Corp. | 28 Toys | Registered | 2008 |