| Business | Phone |
| Asml 7235 Nw Evergreen Pkwy, Hillsboro 97124 | (503) 844-9400 |
| Probercom 19790 Sw Finnigan Hill Rd, Hillsboro 97123 | (503) 537-9082 |
| Du Pont Photomasks Inc 2056 Nw Aloclek Dr, Hillsboro 97124 | (503) 614-9244 |
| Etec Systems Inc 21515 Nw Evergreen Pkwy, Hillsboro 97124 | (503) 439-4000 |
| Nikon Precision Inc 23180 Nw Bennett St, Hillsboro 97124 | (503) 693-0963 |
| Novellus Systems Inc 23215 Nw Evergreen Pkwy # A100, Hillsboro 97124 | (503) 547-0800 |
| Intel Corp 2501 Nw 229th Ave, Hillsboro 97124 | (503) 613-8645 |
| Lattice Semiconductor Corp 5555 Ne Moore Ct, Hillsboro 97124 | (503) 681-0118 |