McDowell NW Pile King, Inc. is a deep foundation contractor with a Seattle area office at 18905 84th Ave S in Kent, Washington, and a second office in Vancouver, Washington serving Portland. Its site says its roots in construction go back to the 1940s and that it has specialized in piling since the late 1960s.
Its services include pipe pile installation, shoring walls, helical piles and anchors, Manta Ray earth anchors, solar panel pile support, value engineering, and sales and rentals. The site highlights its patented, compact Pile King equipment, which is suited to limited access sites. Helical piles are one of several deep foundation methods here, aimed at commercial and contractor clients.
To discuss a project, call the Kent office at 425-251-8535, or use the Portland and Vancouver numbers on the site. Ask which method suits your loads and soil, who provides engineering and testing, and how installation torque is recorded.