| Business | Phone |
| A C Solutions 5829 Jean Rd, Lake Oswego 97035 | (503) 699-8300 |
| Applied Materials Inc 5005 Meadows Rd, Lake Oswego 97035 | (503) 598-4595 |
| Atmel Corp 14523 Westlake Dr, Lake Oswego 97035 | (503) 670-9740 |
| Cirrus Logic 4500 Kruse Way, Lake Oswego 97035 | (503) 744-3388 |
| D & R Enterprises 3231 Fir Ridge Rd, Lake Oswego 97035 | (503) 675-5211 |
| International Rectifier Corp 4500 Kruse Way # 100, Lake Oswego 97035 | (503) 744-3377 |
| Microsystems Engineering Inc 6024 Jean Rd # B, Lake Oswego 97035 | (503) 635-4016 |
| On Semiconductor 4500 Kruse Way # 100, Lake Oswego 97035 | (503) 744-3311 |