| Business | Phone |
| Act Systems Inc 13222 Se 30th St, Bellevue 98005 | (425) 641-4133 |
| Automatic Switch Co 800 Bellevue Way Ne 400, Bellevue 98004 | (425) 462-6366 |
| Belimo Aircontrols Inc Bellevue 98007 | (425) 746-9031 |
| Contrologic Inc 12819 Se 38th St # 34, Bellevue 98006 | (425) 643-5384 |
| Digitek 1435 130th Ave Ne, Bellevue 98005 | (425) 451-8980 |