| Business | Phone |
| Automatic Fire Sprinklers Inc 7700 Ne Greenwood Dr 130, Vancouver 98662 | (360) 882-8838 |
| Fire Systems West Inc 600 Se Maritime Ave 300, Vancouver 98661 | (360) 693-9906 |
| T & L Communications 13213 Ne Kerr Rd A140, Vancouver 98682 | (360) 891-4891 |