| 77499152 | PCA | Mechanical Contractors Association of America, Inc. | — |
| 76209416 | PCA | Nexant, Inc. | 2612060 |
| 76092984 | PCA | Viztec Inc. | — |
| 75979842 | PCA | Packaging Corporation of America | — |
| 75712399 | PCA | PACIFIC CONTINENTAL APPAREL, INC. | — |
| 75555582 | PCA | CARDIOVASCULAR DIAGNOSTICS, INC. | — |
| 75533514 | PCA | PCA International, Inc. | 2278074 |
| 75166270 | PCA | Physician's Choice of Arizona, Inc. | — |
| 74725232 | PCA | Mack, Robert G. | 2002847 |
| 74521051 | PCA | Packaging Corporation of America | 1904453 |
| 74214100 | PCA | Packaging Corporation of America | 1705063 |
| 74214098 | PCA | Packaging Corporation of America | 1705062 |
| 74059559 | PCA | Global Assist USA, Inc. | — |
| 74054751 | PCA | C & C Manufacturing, Inc. | 1751791 |
| 73799640 | PCA | RACINE INDUSTRIES, INC. | — |
| 73501854 | PCA | PREFERRED CARE OF AMERICA, INC. | — |
| 73445786 | PCA | Grant Airmass Corporation | — |
| 73437268 | PCA | POSTAL COMMUNICATIONS OF AMERICA INC. | — |
| 73413155 | PCA | Pulpdent Corporation of America | 1307863 |
| 73413147 | PCA | Pulpdent Corporation | 1303414 |
| 73374052 | PCA | C&C Manufacturing, Inc. | 1275802 |
| 73107197 | PCA | PREMIUM CORPORATION OF AMERICA, INC. | 1071108 |
| 72121315 | PCA | PRECIPITATOR CORPORATION OF AMERICA | 0736390 |
