Mesa County Justice Center
Grand Junction, CO · Justice & Corrections · Client: Mesa County

World Class Engineering Services
Geotechnical Engineering Group is a regional engineering firm based in Grand Junction, Colorado, experienced with design and construction in the challenging and variable geology of Colorado, Utah, New Mexico, and Wyoming. Founded in 1997 by John P. Withers, GEG provides geotechnical, civil, structural, environmental, and materials testing services to energy producers, government agencies, and commercial clients. Its staff of 20 engineers, scientists, and engineering technicians delivers construction supervision and observation, field testing, soil and foundation investigations, laboratory testing, and civil and structural design.
Colorado Department of Transportation · U.S. Department of Transportation · Colorado Asphalt Producers Association (CAPA) · AASHTO Materials Reference Laboratory · Colorado Ready Mixed Concrete Association (CRMCA) · American Concrete Institute (ACI) · Occupational Safety and Health Administration (OSHA) · U.S. Department of Energy (USDOE) · National Institute for Certification of Engineering Technicians (NICET)
John P. WithersPresident
Site engineering for oil and gas field infrastructure, including roadways, pads, distribution lines, compression plants, erosion control, reclamation, water wells, and sewage disposal systems. Construction services for energy clients include fast-response field personnel and short turn-around reporting.
Well pad and compressor pad construction design for locations with challenging geotechnical constraints.
Soil and foundation investigations, exploratory drilling, field testing and instrumentation, construction supervision and observation, and laboratory testing for commercial, industrial, and government projects across Colorado, Utah, New Mexico, and Wyoming.
Field and laboratory testing of construction materials including soils, concrete, and asphalt. GEG holds certifications from ACI, CAPA, CRMCA, AASHTO Materials Reference Laboratory, and NICET supporting agency-certified testing programs.
Environmental investigations, stormwater management, water well design and construction, sewage disposal system design, and pit reclamation for energy, government, and commercial clients.
Oil & Gas · Government · Federal · Highways & Roads · Justice & Corrections · Environmental & Remediation
Grand Junction, CO · Justice & Corrections · Client: Mesa County
Grand Junction, CO · Justice & Corrections · Client: Mesa County
Grand Junction, CO · Government · Client: City of Grand Junction
Grand Junction, CO · Highways & Roads