| openjog 2131101 · TMA1242380 | SHOKZ HOLDING LIMITED | 9 Electronics | Registered | 2024 |
| OPENJDK 1960492 · TMA1227578 | Oracle America, Inc. | 9 Electronics16 Paper | Registered | 2024 |
| OPENSKY 1915772 · TMA1106868 | Wing Aviation LLC | 9 Electronics12 Vehicles39 Transport+1 | Registered | 2021 |
| OPENGOV 1816584 · TMA1011747 | OpenGov, Inc. | 42 Science | Registered | 2018 |
| OPENSKY 1813861 · TMA995132 | Corteva Agriscience LLC | 5 Pharmaceuticals | Registered | 2018 |
| OPENSKY 2348269 | Owner not listed | 35 Advertising36 Finance37 Construction+1 | Pending | 2024 |
| opensnow 2132268 · TMA1232143 | SHOKZ (SINGAPORE) PTE. LTD. | 9 Electronics | Registered | 2024 |
| OpenComm 2052258 · TMA1198534 | SHOKZ (SINGAPORE) PTE. LTD. | 9 Electronics | Registered | 2023 |
| OPENCOLO 2015454 · TMA1185807 | Energy Group Networks LLC | 38 Telecommunications42 Science | Registered | 2023 |
| OPENMOKO 1319439 · TMA751455 | Zong Jing Investment, Inc. | 9 Electronics | Registered | 2009 |
| OPENACE 2152711 · TMA1241063 · design | SHOKZ HOLDING LIMITED | 9 Electronics | Registered | 2024 |
| OPENZ 2132263 · TMA1232142 | SHOKZ (SINGAPORE) PTE. LTD. | 9 Electronics | Registered | 2024 |
| OPENSEE 2106460 · TMA1268237 | OPENSEE | 9 Electronics35 Advertising36 Finance+1 | Registered | 2024 |
| OPENSEA 2099944 · TMA1201319 | Greensea Systems, Inc. | 9 Electronics | Registered | 2023 |
| OPENSEA 1945585 · TMA1223347 | Ozone Networks, Inc. | 35 Advertising42 Science | Registered | 2024 |
| OPENG 1796686 · TMA1049330 | Meta Platforms, Inc. | 9 Electronics35 Advertising37 Construction+2 | Registered | 2019 |
| OPNGO 1796157 · TMA992776 · design | Owner not shown | 9 Electronics37 Construction38 Telecommunications+1 | Registered | 2018 |
| OPENEST 1665028 · TMA921796 | HAWORTH, INC. | 20 Furniture | Registered | 2015 |
| OpenXC 1639247 · TMA944699 | FORD MOTOR COMPANY | 9 Electronics | Registered | 2016 |
| OPENCAR 1621556 · TMA1030344 | INRIX, Inc. | 9 Electronics42 Science | Registered | 2019 |
| OPENCL 1418588 · TMA774817 | Apple Inc. | 9 Electronics | Registered | 2010 |
| OPENSET 1393974 · TMA755566 | Owner not shown | 9 Electronics | Registered | 2009 |
| OpenX 1383913 · TMA805487 | OpenX Limited | 9 Electronics35 Advertising42 Science+1 | Registered | 2011 |
| OPENGL 1070197 · TMA611252 · design | Hewlett Packard Enterprise Development LP | 9 Electronics16 Paper35 Advertising+4 | Registered | 2004 |
| OPENGIS 0827194 · TMA492208 | OPEN GEOSPATIAL CONSORTIUM, INC. | 16 Paper42 Science | Registered | 1998 |