| Business | Phone |
| Aero Shelter Seattle 98115 | (206) 364-3042 |
| Alpine Custom Buildings Inc 2116 N 50th St, Seattle 98103 | (206) 362-5025 |
| Ballard Industrial Contractors 4051 56th Ave Sw, Seattle 98116 | (206) 937-4192 |
| Commercial Industries Co Seattle 98101 | (206) 623-5666 |