| Business | Phone |
| Audio's Video Technics 20903 9th Ave S, Seattle 98198 | (206) 824-7907 |
| Cello Technologies Seattle 2633 Eastlake Ave E, Seattle 98102 | (206) 256-0900 |
| D B Technologies Inc 824 Post Ave, Seattle 98104 | (206) 381-5891 |
| Richard M Brunhaver 6220 Roosevelt Way Ne, Seattle 98115 | (206) 523-6331 |