| Business | Phone |
| Ultra Clean Technology 12141 Sw Herman Rd, Tualatin 97062 | (503) 612-5600 |
| Cymer Inc 19767 Sw 72nd Ave, Tualatin 97062 | (503) 885-1306 |
| Pixelworks Inc 8100 Sw Nyberg Rd, Tualatin 97062 | (503) 612-6700 |
| Novellus Systems Inc 11355 Sw Leveton Dr, Tualatin 97062 | (503) 885-6000 |