| Business | Phone |
| King County Auto License 500 4th Ave 401, Seattle 98104 | (206) 296-4000 |
| Transportation Transit Educatn 201 S Jackson St Ksc, Seattle 98104 | (206) 684-1532 |
| Us Air Traffic Control 8200 E Marginal Way S, Seattle 98108 | (206) 764-6611 |
| Us Faa 6526 Ellis Ave S, Seattle 98108 | (206) 764-6606 |
| Port Of Seattle 7001 Seaview Ave Nw, Seattle 98117 | (206) 781-2139 |
| Port Of Seattle Fishermans Ter 3919 18th Ave W, Seattle 98119 | (206) 728-3395 |
| Port Of Seattle 2711 Alaskan Way, Seattle 98121 | (206) 728-3000 |
| Port Of Seattle Commissioners 2711 Alaskan Way, Seattle 98121 | (206) 728-3034 |
| Port Of Seattle Marine Div 2209 Alaskan Way, Seattle 98121 | (206) 615-3950 |
| Transportation Dept Seattle 98125 | (206) 368-4499 |
| Port Of Seattle Marine Mntnc 25 S Horton St, Seattle 98134 | (206) 728-3350 |
| Us Federal Railroad Adm 915 2nd Ave 686, Seattle 98174 | (206) 220-7730 |
| Us Federal Transit Adm 915 2nd Ave 3142, Seattle 98174 | (206) 220-7954 |
| Us Transportation Dept 915 2nd Ave 644, Seattle 98174 | (206) 220-7754 |