| PARKERSBURG 0453020 · TMA264881 | an individual | 7 Machines12 Vehicles | Registered | 1981 |
| Parkeroos 2201205 · TMA1238663 | 6946879 CANADA INC | 35 Advertising | Registered | 2024 |
| PARKER 2030062 · TMA1269429 | UNVERFERTH MANUFACTURING CO. INC. | 12 Vehicles | Registered | 2024 |
| PARKER 1615884 · TMA907035 · design | Parker Intangibles LLC | 35 Advertising39 Transport42 Science | Registered | 2015 |
| PARKER 1446689 · TMA794762 | Unverferth Manufacturing Co. Inc. (a corporation of Ohio) | 12 Vehicles | Registered | 2011 |
| PARCERINE 2 1442092 · TMA836732 | Owner not shown | 1 Chemicals3 Cosmetics | Registered | 2012 |
| PARKER 51 1151983 · TMA649238 | an individual | 16 Paper | Registered | 2005 |
| PARKER 0809769 · TMA478163 · design | PARKER INTANGIBLES LLC a Delaware limited liability company | 7 Machines9 Electronics10 Medical+4 | Registered | 1997 |
| PARKER 0470507 · TMA266666 | PARKER INTANGIBLES LLC a Delaware limited liability company | 6 Metal7 Machines8 Hand+4 | Registered | 1982 |
| PARKER 0433154 · TMA248364 | HASBRO, INC. | 28 Toys | Registered | 1980 |
| PARKER 0398498 · TMA284320 · design | HASBRO, INC. | 7 Machines8 Hand9 Electronics+5 | Registered | 1983 |
| PARKER 0284674 · TMA147071 | S. PARKER HARDWARE MFG. CORP. (A NEW JERSEY CORPORATION) | 6 Metal20 Furniture | Registered | 1966 |
| PARKER 0273793 · TMA144002 | PARKER INTANGIBLES LLC a Delaware limited liability company | 6 Metal7 Machines9 Electronics+4 | Registered | 1966 |
| PARKER 0121533 · TMDA38361 | an individual | 16 Paper | Registered | 1925 |
| PARKER 0109680 · TMDA32255 | an individual | 16 Paper | Registered | 1922 |
| PARKER 2284059 · design | Owner not shown | 12 Vehicles | Pending | 2023 |
| PARKER 2015129 · design | Parker Lifestyle, LLC. | 18 Leather25 Clothing35 Advertising | Pending | 2020 |
| parkrun 1974580 | Parkrun Trading Limited | 25 Clothing35 Advertising41 Education | Pending | 2019 |
| PARKRUN 1974576 · design | Parkrun Trading Limited | 25 Clothing35 Advertising41 Education | Pending | 2019 |
| PRESERVE 2257362 · TMA1274799 | Paragon 28, Inc. | 5 Pharmaceuticals | Registered | 2024 |
| ProgressCheck 2245041 · TMA1264360 | BANK OF MONTREAL | 36 Finance | Registered | 2024 |
| ProgressTracker 2245037 · TMA1264358 | BANK OF MONTREAL | 36 Finance | Registered | 2024 |
| PERCHERON 2236368 · TMA1265551 | Owner not listed | 12 Vehicles | Registered | 2024 |
| PROGRESSIVEHR 2231336 · TMA1253036 · design | IHR ADVISORY SERVICES CORP. | 41 Education | Registered | 2024 |
| PRECRUITMENT 2223076 · TMA1249889 | Tallo, Inc. | 35 Advertising | Registered | 2024 |