| WORKCARE 1979987 | WorkCare Inc. | 44 Medical | Pending | 2019 |
| WARCROW 2156078 · TMA1193921 · design | an individual | 28 Toys | Registered | 2023 |
| WORKSURE 1855468 · TMA1035519 | AMMEX Corporation | 9 Electronics10 Medical21 Housewares | Registered | 2019 |
| WORKWARE 1598792 · TMA887965 | HAWORTH, INC. | 6 Metal9 Electronics20 Furniture | Registered | 2014 |
| WORKHORSE 2013164 · TMA1262366 | WESTLAKE DIMEX LLC | 27 Carpets | Registered | 2024 |
| WORKHORSE 1917395 · TMA1103631 | Liquid Wrench, LLC | 4 Oils | Registered | 2021 |
| WorkReach 1808455 · TMA1064377 | APAS Laboratory Inc. | 35 Advertising36 Finance42 Science+2 | Registered | 2019 |
| WORKHORSE 1787983 · TMA1023473 | Vista Outdoor Operations LLC | 28 Toys | Registered | 2019 |
| WORKHORSE 1754884 · TMA1003169 | U.S. Tsubaki Holdings, Inc. | 7 Machines | Registered | 2018 |
| #workworks 1718622 · TMA968025 | Kingdom Force Sports Ltd | 25 Clothing41 Education | Registered | 2017 |
| WORKHORSE 1622829 · TMA1144117 | Bunzl IP Holdings, LLC | 5 Pharmaceuticals9 Electronics18 Leather+2 | Registered | 2022 |
| WORKHORSE 1593415 · TMA940554 | RAWLINGS SPORTING GOODS COMPANY, INC. | 28 Toys | Registered | 2016 |
| WORKHORSE 1575689 · TMA901809 | RAWLINGS SPORTING GOODS COMPANY, INC. | 28 Toys | Registered | 2015 |
| WORKHORSE 1572055 · TMA899392 · design | Bunzl IP Holdings, LLC | 5 Pharmaceuticals9 Electronics10 Medical+6 | Registered | 2015 |
| WORKHORSE 1468395 · TMA783257 | Workhorse Group Inc. | 12 Vehicles | Registered | 2010 |
| WORKHORSE 1329073 · TMA756671 | an individual | 4 Oils7 Machines9 Electronics+3 | Registered | 2010 |
| WORKSHARE 1124571 · TMA607616 | Workshare Ltd. | 9 Electronics42 Science | Registered | 2004 |
| WORKHORSE 0792323 · TMA469712 · design | GARDENA CANADA LTD. | 8 Hand35 Advertising | Registered | 1997 |
| WORKHORSE 0702909 · TMA417621 | Kimberly-Clark Worldwide, Inc. | 21 Housewares | Registered | 1993 |
| WORKHORSE 0517573 · TMA299688 | Energizer Brands UK Limited | 11 Lighting | Registered | 1985 |
| WORKHORSE 0461523 · TMA279534 | Pinkerton Tobacco Co. LP | 34 Tobacco | Registered | 1983 |
| WORKHORSE 0461174 · TMA267040 | WINNIPEG PANTS & SPORTSWEAR MFG. LTD. | 25 Clothing | Registered | 1982 |
| WORKHORSE 2304958 · design | Owner not listed | 6 Metal9 Electronics10 Medical+4 | Pending | 2024 |
| WORKHORSE 2243942 · design | Owner not listed | 3 Cosmetics8 Hand12 Vehicles+3 | Pending | 2023 |
| WORKHORSE 2243934 | Owner not listed | 3 Cosmetics8 Hand12 Vehicles+3 | Pending | 2023 |