| SECURIS 1630479 · TMA1040556 | C.R. BARD, INC. A LEGAL ENTITY | 10 Medical | Registered | 2019 |
| SECURUS 1988276 · TMA1281833 | BRETT-YOUNG SEEDS LTD. | 1 Chemicals5 Pharmaceuticals | Registered | 2025 |
| SecurOS 1769496 · TMA1008572 | Intelligent Security Systems Corporation (a Delaware corporation) | 9 Electronics | Registered | 2018 |
| SECURUS 1677651 · TMA984992 | JRI Orthopaedics Limited | 10 Medical | Registered | 2017 |
| SAGARIS 1587694 · TMA925599 | A.T. Cross Company, LLC | 16 Paper | Registered | 2016 |
| SECURUS 1243694 · TMA745858 | SECURUS TECHNOLOGIES, LLC | 35 Advertising36 Finance38 Telecommunications | Registered | 2009 |
| SECURUS 0812665 · TMA610921 | TRI-SIS INC. | 5 Pharmaceuticals25 Clothing | Registered | 2004 |
| SYCORIS 2122152 | Siemens Logistics GmbH | 7 Machines9 Electronics37 Construction+2 | Pending | 2021 |
| SECURUS 1985516 | BRETT-YOUNG SEEDS LTD. | 1 Chemicals31 Fresh | Pending | 2019 |
| SECURISEA 2141278 · TMA1207496 | SECURISEA, INC. | 9 Electronics42 Science | Registered | 2023 |
| SECURISAC 2053917 | RO-EL Solutions Inc. | 17 Rubber22 Ropes | Pending | 2020 |
| SECURIIX 2135869 · TMA1197032 | 2325887 Ontario Inc. | 42 Science | Registered | 2023 |
| SECCURUS 2056240 · TMA1129356 | Linde GmbH | 6 Metal39 Transport | Registered | 2022 |
| securzip 1861659 · TMA998983 | Country Leather Inc. | 24 Textiles | Registered | 2018 |
| SECURIIX 1769748 · TMA1005117 · design | 2325887 Ontario Inc. | 35 Advertising42 Science45 Legal | Registered | 2018 |
| SEQIRUS 1735065 · TMA1025107 · design | Seqirus UK Limited | 1 Chemicals5 Pharmaceuticals42 Science+1 | Registered | 2019 |
| SEQIRUS 1733041 · TMA1025118 | Seqirus UK Limited | 1 Chemicals5 Pharmaceuticals42 Science+1 | Registered | 2019 |
| SUCOROS 1605910 · TMA924481 | MAPLE LAND SCENT INTERNATIONAL CORP. | 3 Cosmetics5 Pharmaceuticals35 Advertising | Registered | 2015 |
| SEKURUS 1413006 · TMA803411 | DATAMARS SA | 10 Medical | Registered | 2011 |
| SECURX 1047650 · TMA557401 | DRUG PLASTICS & GLASS COMPANY, INC. | 20 Furniture | Registered | 2002 |
| SECUREX 0991606 · NFLD1606 | LAMONT & COMPANY (ENGINEERS) LIMITED | 7 Machines9 Electronics | Registered | 1928 |
| SECOURS 0726546 · TMA441350 | RANDA CORPORATION | 25 Clothing | Registered | 1995 |
| SECUREX 0524551 · TMA308737 | Nexans Canada Inc. | 9 Electronics | Registered | 1985 |
| SECOROC 0365326 · TMA202924 | an individual | 6 Metal7 Machines8 Hand | Registered | 1974 |
| SECUREZIP 1225588 · TMA661516 | PKWare, Inc. (a Wisconsin Corporation) | 9 Electronics42 Science | Registered | 2006 |