jet grouting

Carpenter Drilling LLC specializes in core drilling, water well drilling, and well maintenance, restoration and repair. Founded in 1995, the company serves Washington, Oregon and Idaho and has completed numerous contracts on the Hanford Site in Richland, Washington, including monitoring wells, extraction wells, and permanent instrumentation wells.

core drillingelevator shaft casingmonitoring well constructionpressure pulse well rehabilitationSoil and groundwater samplingwater well drillingwell cleaningwell maintenancewell restoration

FSS, Inc. (Foundation Soil Stabilization, Inc.) is a family-owned geotechnical specialty grouting contractor based in Pleasant Hill, California, established by a multi-generational family of industry veterans. The company specializes in soil stabilization techniques including compaction and permeation grouting, structural re-leveling, and foundation construction for industry clients.

compaction groutingfoundation jackingground water shut-offpermeation groutingpier replacementpressure groutingsoil stabilizationstructural re-levelingvoid filling

Harrison Western is an American-owned and operated heavy civil, tunneling and mining contractor in operation since 1968. The company has completed projects in dozens of countries totaling in excess of $2.5 billion, working in complex and challenging environments. It is headquartered in Lakewood, Colorado.

cement groutingchemical groutingdesign/buildearly contractor involvement (ECI)earth retentiongeo-constructionground anchorsground improvementheavy civil constructionindustrial constructionlandslide stabilizationmicropilesmining developmentrockfall mitigationsoil mixingstone columnstunnelingvibro-compaction

Keller North America is described on its website as North America's leading geotechnical specialty contractor, combining local expertise with the strength and resources of a global organization. It solves geotechnical challenges across the entire construction spectrum, with a history reflecting more than a century of delivering reliable geotechnical solutions. It is one of the connected companies of Keller, described as the world's largest geotechnical contractor with offices in more than 40 countries.

compaction groutingdesign-build geotechnical solutionsdewateringdiaphragm wallsdrilled shaftsdriven pilesdynamic compactionground freezinggroutingmicropilespermeation groutingrapid impact compactionsheet pilesshotcreteslurry cutoff wallssoil mixingsoil nailingvibro-compactionvibro replacement (stone columns)