If you are dealing with settled concrete in Richland, Kennewick, Pasco or any of the surrounding areas Slabjack Geotechnical is the best choice for concrete raising and leveling in the Tri-Cities area. Founded in 2011, 1-855-752-2522 utilizes the advanced method of polyurethane injection Slabjacking. We raise settled driveways, basement floors, porches, patios, sidewalks, garage floors...