Nanotechnology Company Directory
| Company | Location |
|---|---|
| Photo Sciences Inc. | Torrance, California |
| PhotoMetrics Inc. | Huntington Beach, California |
| Photonics Spectra | Pittsfield, Massachusetts |
| Photonics Spectra / Biophotonics International | Berkshire Common, Massachusetts |
| Photron | San Diego, California |
| Phrasor Scientific Inc. | Duarte, California |
| Physical Electronics USA | Chanhassen, Minnesota |
| Physical Optics Corp. | Torrance, California |
| PI (Physik Instrumente) L.P. | Auburn, Massachusetts |
| PI (Physik Instumente) | Auburn, Massachusetts |
