Slabjack Geotechnical is a family-owned and operated concrete repair company with locations in Spokane, Tri-cities, Wenatchee, and Puget Sound. Founded in 2011 by Jerald and Ann Sargent, Slabjack Geotechnical is a full-service concrete service that provides Slabjacking (concrete raising) pressure grouting, concrete crack, and joint sealing repair. ...