direct push sampling

Challenge Testing provides geotechnical field testing and sampling, non-destructive examination (NDT), and materials analysis for clients throughout the Southeastern United States and around the world. Its roots reach to a family engineering business founded in 1953, and it operates locations in Mobile and Tuscaloosa, Alabama, and the Pacific Region. It serves heavy industry groups including energy generation, shipbuilding, aerospace, marine, refining, and infrastructure.

dye penetrant examinationgeotechnical drillinghollow stem auger drillingMagnetic Particle Testingmarine sediment core samplingmud rotary drillingradiographic examinationrock coringShelby Tube Samplingsplit spoon samplingultrasonic examinationVibracore sampling

Discovery Drilling Inc. is an Alaska-based provider of geotechnical and environmental drilling services, operating since 1986. It is a Service Disabled Veteran Owned Small Business with a team of over thirty industry professionals and a large fleet of drilling platforms serving projects from the North Slope to Southeast Alaska.

air rotaryasphalt cut & repairchemical remediation injectionconcrete coringcone penetration testingcustom fabricationdiamond bit rock coringdownhole instrumentation installationenvironmental drillinggeotechnical drillinghollow stem auger drillingmud rotarysonic drillingwelding

GeoEnviroTech is a full service drilling and environmental contractor providing field services to its clients. It samples groundwater and soil using Geoprobe direct push and Hollow Stem Auger drill rigs, and its bilingual, OSHA-certified personnel perform soil gas surveys, monitoring well installation, and subsurface utility locating.

dual tubing samplinggroundwater samplinghollow stem auger drillingmacro-core samplingmonitoring well installationsoil gas surveyssoil samplingSubsurface utility locating