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Proudly Serving the PNW for the last 20 Years 



The Pacific Northwest terrain and geology is very complex in nature, which poses unique challenges to geotechnical engineering to solve the mechanics of the problems. PGE is experienced and skilled in understanding the problems and providing state-of-the-art solutions. PGE deals with the problems associated with landslide hazard, slope stability, seismic, and liquefaction hazard in the environmentally critical or sensitive area. With the advent of latest computer application, ground improvement technique, improved geotechnical analysis method, and sustainable design method, PGE tackles such complex problems. 


PGE’s main goal is to provide collaborative, responsive, quality-focused geotechnical and construction monitoring services with cost-effective solutions in a timely manner. PGE’s success is based on the solid foundation of engineering skills, good communication, planning and project management, staff training, and supervision. Our technical expertise and team approach puts our clients first and helps them confidently meet their project goals.

Photo 8 - Sinemma Quale Upper Revetment Reconstruction (SQR) Fall City Road.jpg

Sienna Quale Upper Revetment Reconstruction

Services provided: 

Copper Laef Subdivision Federal Way Ultra Blcik Wall Design & lnspection.JPG
Sinemma Quale Revetment Site - Ground Anchor Testing.jpg
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Photo 8 - Sinemma Quale Upper Revetment Reconstruction (SQR) Fall City Road.jpg
Sieve Analysis Testing.jpg

“Almost for last 20 years, I have been using PGE’s geotechnical engineering consulting services, which have been a proven track record of PGE’s engineering excellence”. PGE team has always been knowledgeable, responsive, professional, and caring about client’s needs. PGE has definitely stood a head above the rest that I have encountered”.


Rich Larson

Director, WA State Board of Registration for Professional Engineers & Land Surveyors (BRPELS)

Founder & Owner of Larson & Associates, Tacoma 

“PGE has been providing its constriction-time testing and inspection services for Gary Merlino Construction for last 15 years or more for Merlino projects. PGE team has always been found proactive, quick responsive, and ability to provide solution on-site. It is worth to mention about PGE’s excellent services for SeaTac Airport Improvement projects in 2018 and 2019, the International Arrival Facility in 2020, and Alaskan Way Improvement in 2020”.

Charlie Oliver

President, Gary Merlino Construction Co. Seattle

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