Seatac Engineering Division 4800 S 188th St Seatac, WA 98188 Phone : (206) 973-4730 Business Category Government Offices-City Village & Twp Legislative Bodies Seatac City Of--public Works Dept, Engineering Division Seattle, WA 98101 Phone : (206) 973-4730 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools