| 79176393 | QSP | DANIELI & C. Officine Meccaniche S.p.A. | 5070566 |
| 97269751 | QSP | Quantum Simulation Technologies, Inc. | — |
| 74601685 | QSP | SHOP-VAC USA, LLC | 2006932 |
| 98438928 | QSP | Core Management Services, L.L.C. | 7847219 |
| 88390241 | QSP | Lake Erie Systems and Services, Inc. | 5895949 |
| 97978191 | QSP | Quantum Simulation Technologies, Inc. | 7451618 |
| 87481812 | QSP | HONGYAN, MAO | 5378753 |
| 72420309 | QSP | GREAT AMERICAN OPPORTUNITIES, INC. | 0960085 |
| 76393877 | QSP | Talent Plus, Inc. | 2677777 |
| 90868798 | QSP | Quality Supply Products LLC | — |
| 87030316 | QSP | Second Spectrum, Inc. | — |
| 87481824 | QSP | Yangjiang Minghui Industrial and Trading Co., Ltd. | — |
| 75744962 | QSP | Quality Software Products Limited | — |
| 86585833 | QSP | AstraZeneca AB | — |
| 85601532 | QSP | BeautiCreams, Inc. | — |
| 78475551 | QSP | San Shih Electrical Enterprise Co., LTD | — |
| 78260651 | QSP | Sartox, LLC | — |
| 76578684 | QSP | Sartox, LLC | 2935899 |
| 75404674 | QSP | Sumitomo Metal Industries, Ltd. | 2419499 |
| 75084563 | QSP | Provine, Murray D. | — |
| 74644496 | QSP | Impressive Creations Inc. | — |
| 74237694 | QSP | ANJOY RESEARCH, INC. | 1743491 |
| 74091142 | QSP | QSP MARKETING, INC. | 1666388 |
| 73715371 | QSP | QUALITY SPORTS PRODUCTS, INC. | 1540483 |