| Business | Phone |
| Seattle Telephone Systems 1912 S Stevens St, Seattle 98144 | (425) 328-6595 |
| Seattle Telephone Systems 1912 S Stevens St, Seattle 98144 | (425) 328-6595 |
| Seattle Network Cabling & Fiber Optic Services 815 1st Ave #241, Seattle 98104 | (206) 905-8687 |