| Pearland Economic Development Corp. | Pearland, Texas, United States |
| PEMSTAR Inc. | Rochester, Minnesota, United States |
| Penman PR | Austin, Texas, United States |
| Penn State University | University Park, Pennsylvania, United States |
| Pennie & Edmonds LLP | New York, New York, United States |
| Pennsylvania State University | University Park, Pennsylvania, United States |
| Pentech Financial Services Inc. | Campbell, California, United States |
| Perception Management Inc. | Kinnelon, New Jersey, United States |
| Performance Systems | Houston, Texas, United States |
| Perkin Elmer Inc. | Waltham, Massachusetts, United States |