| WORLDCARE 1843326 · TMA1104641 · design | WorldCare Limited, a Maryland corporation | 38 Telecommunications44 Medical | Registered | 2021 |
| WORLDCHAT 1657602 · TMA897116 | an individual | 9 Electronics38 Telecommunications42 Science | Registered | 2015 |
| WorldDEM 1588218 · TMA882669 | Airbus Defence and Space GmbH | 9 Electronics35 Advertising38 Telecommunications+3 | Registered | 2014 |
| WORLDCOM 1437748 · TMA765844 | Worldcom Group Inc. | 35 Advertising | Registered | 2010 |
| WORLDCAT 0846524 · TMA496962 | OCLC, INC. | 9 Electronics38 Telecommunications39 Transport+2 | Registered | 1998 |
| WORLDCARE 0830056 · TMA485767 · design | WorldCare Limited | 41 Education44 Medical | Registered | 1997 |
| WORLDCARE 0819498 · TMA483912 | WorldCare Limited | 41 Education44 Medical | Registered | 1997 |
| WORLDCARD 0793337 · TMA532165 | CenturyLink Communications, LLC | 36 Finance38 Telecommunications | Registered | 2000 |
| WORLDLY 2258740 | WORLDLY HOLDINGS INC. | 9 Electronics42 Science | Pending | 2023 |
| WORLDCOIN 2143238 | Tools For Humanity Corporation | 9 Electronics36 Finance42 Science | Pending | 2021 |
| WORLDSHIELD 1880038 · TMA1075724 | WISE MANUFACTURING, INC. | 17 Rubber | Registered | 2020 |
| WORLDHEALTH 1465880 · TMA805148 · design | Ayrfit Alberta Inc. | 39 Transport41 Education43 Restaurants+1 | Registered | 2011 |
| WORLDSKILLS 1323022 · TMA749279 · design | Skills Canada Corporation | 5 Pharmaceuticals9 Electronics10 Medical+8 | Registered | 2009 |
| WORLDHOTELS 1256178 · TMA734621 · design | an individual | 43 Restaurants | Registered | 2009 |
| WORLDREMIT 2045393 · TMA1185889 | Worldremit Ltd | 36 Finance | Registered | 2023 |
| WORLDSENSE 1866590 · TMA1063861 | Google LLC | 9 Electronics | Registered | 2019 |
| WORLDQUEST 1852575 · TMA1057746 | Advance Auto Innovations, LLC | 35 Advertising | Registered | 2019 |
| WORLDREMIT 1720799 · TMA947784 · design | Worldremit Ltd | 9 Electronics36 Finance38 Telecommunications+1 | Registered | 2016 |
| WORLDCARTE 1176884 · TMA668410 | SMARTE CARTE, INC. | 12 Vehicles | Registered | 2006 |
| WORLDREACH 1131095 · TMA609719 | FACTORY MUTUAL INSURANCE COMPANY, a Rhode Island corporation | 36 Finance42 Science | Registered | 2004 |
| WORLDSCOPE 0765898 · TMA453891 | Financial & Risk Organisation Limited | 9 Electronics16 Paper35 Advertising+1 | Registered | 1996 |
| worldperty 1954868 | Worldperty Inc. | 35 Advertising38 Telecommunications | Pending | 2019 |
| WORLDBELIEVE 1428790 · TMA770188 | 963202 Ontario Limited | 3 Cosmetics | Registered | 2010 |
| Worldmart 2063586 · TMA1174486 | an individual | 35 Advertising | Registered | 2023 |
| WORLDWISE 2015652 · TMA1147746 · design | DULWICH COLLEGE MANAGEMENT ASIA PACIFIC PTE LTD | 9 Electronics18 Leather28 Toys+3 | Registered | 2022 |