| PA |
| Name | Number of records |
| Pacific Bell | 390 |
| Pacific Bell Directory | 2219 |
| Pacific Gas and Electric Company | 303 |
| Pacific Latin Copyright, Inc. | 185 |
| Pacific Press Publishing Association | 1443 |
| Pac Jam Publishing | 113 |
| Padgett-Thompson | 907 |
| Paisano Publications, Inc. | 488 |
| Palancar Music | 107 |
| Pal Dog Music | 82 |
| Pamalybo Music | 93 |
| Pamela Kay Music | 176 |
| Pamper Music, Inc. | 3206 |
| Pamplin Music Corporation | 185 |
| Pancil, LLC | 80 |
| Panel Publishers | 428 |
| Parachute Press, Inc. | 507 |
| Paraclete Press | 617 |
| Paragon Films, Ltd. | 315 |
| Paragon Music Corporation | 1137 |
| Paramount Pictures Corporation | 17564 |
| Paramount Pictures Corporation. | 7945 |
| Paramount Television. | 126 |
| Parish Life Press | 401 |
| Parker Music | 240 |
| Parker Publishing Company, Inc. | 639 |
| Parry Music, Inc. | 143 |
| Partner Music | 447 |
| Patchwork Music | 112 |
| Pathfinder Press | 173 |
| Patrick Collins, Inc. | 590 |
| Patrick Joseph Music, Inc. | 513 |
| Pattern Rights, Inc. | 4146 |
| Paul H. Brookes Publishing Company, Inc. | 448 |
| Paul Zsolnay Verlag, G.m.b.H. | 357 |
| Paws, Inc. | 548 |
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