Using our Spider Excavator on an extremely difficult slope
Mt. Calvary cemetery landslide before
Mt. Calvary cemetery landslide after removing 1,000 cubic yards of soil
Mt. Calvary cemetery landslide finished after installing 1,800 cubic yards of rock
Installing 40' tall foundation cages into predrilled shafts at steeply sloped Portland residential site.
Constructing 246 foot long retaining wall to remediate landslide in Oregon City
Bonita Court Apartments 120' long pile wall with 40' deep piles and creek armoring
rockfall protection
20' tall shoring of H-piles, wood lagging, anchor and walers
Union Station dry core seismic upgrade



PLI Systems, Inc. is dedicated to providing the most innovative solutions for challenging soil and foundation issues. With over 30 years of experience, PLI Systems has the expertise and equipment to handle almost any soil and foundation stabilization problem. We have gathered specialized equipment from all over the world and have hired experts from various fields to train our employees. Some of our areas of expertise are shoring, drilled and grouted tie-back anchors, geotechnological explorations and seismic upgrades.

There may be a few contractors who perform some of the services we offer, but PLI Systems is the only company that does it all.

Below you will find some of the scores of construction companies, municipalities, engineering firms and other entities we have worked for and with:




































































About Company

We are a MBE certified contractor with over 30 years experience solving difficult soil and foundation stabilization issues.


Work Area

We are licenesd in Oregon and Washington. Our home base is the Portland Metropolitan area but we have worked throughout both states.

We do a lot of work along the Oregon coast from Astoria to Brookings.

We are also licensed in California, Michigan and Idaho.

Get in Touch

Get in Touch