TranTech Engineering Share: Civil EngineeringEarthquakeStructural EngineeringTransportation PlanningUtilities/EnergyWater/Wastewater TranTech Engineering Visit Website 365 - 118th Ave SE Ste 100 Bellevue, WA 98005 (425) 453-5545 (425) 453-6779 (fax) Map What's Nearby? Distance: 5 10 15 20 25 50 mi.