Impact-Echo

Advanced Geoscience, Inc. is an international geoscience field services and consulting firm based in Los Angeles, California and Reno, Nevada USA, established in 1997. The firm is staffed by geophysicists, geologists, and hydrogeologists who perform subsurface geophysical and geological investigations, groundwater, mineral, and oil and gas exploration, near-surface geophysical surveys for geotechnical studies and underground construction, and non-destructive evaluation of earth structures such as dams, levees, tunnels, harbor bulkheads, and concrete pile

borehole seismic velocity (downhole, crosshole, tomography)concrete-scanning radardigital signal processingElectrical Resistivity Imagingelectromagnetic induction and ground conductivity surveysgravity and micro-gravity surveysground penetrating radar (GPR)impulse response techniquesinduced polarization surveysmagnetometer surveysmulti-channel analysis of surface waves (MASW)non-destructive evaluationseismic reflection surveysseismic refractionsonic pulse echosurface waveswaveform analysis

Advanced Infrastructure Design, Inc. (AID) is a research-driven consulting engineering firm established in 1998, headquartered in Hamilton, New Jersey, with a second office in Philadelphia, Pennsylvania. Staffed by licensed Professional Engineers, scientists, researchers, and technicians, AID assists government agencies, engineering firms, and contractors in evaluating and designing new and existing infrastructure. It is a certified WBE/DBE/SBE firm led by President Mojgan Mohtashami, PhD, MBA.

3D Lasercompressive strength testingcoringground penetrating radar (GPR)half-cell potential testingHWD-FWDLCMS & LDTMlife cycle cost analysisLWDnon-destructive testingpetrographic examinationsurface resistivity testing

Concrete Science®, Inc. is an award-winning engineering company founded in January 1995 that specializes in condition assessment and advanced testing of concrete and masonry structures. Its in-house team combines civil-structural engineering and non-destructive testing with petrographic and chemical analysis to investigate structural failures and design cost-effective repairs.

chemical analysisdestructive testingexpert witnessForensic engineeringnon-destructive testingpetrographic analysisrepair designstructural engineering

Infrasense is a client-focused consulting firm specializing in nondestructive evaluation (NDE) of bridge decks, pavements, tunnels, parking structures, and other transportation infrastructure. With 38 years in business, it has served all 50 US states and internationally, evaluating over 120 million square feet of bridge decks and scanning 50,000 miles of pavement.

Aerial Infrared ThermographyAutomated SoundingFalling Weight DeflectometerGIS & CADD condition mappingground penetrating radar (GPR)infrared thermographynondestructive evaluation (NDE)nondestructive testing (NDT)Rapid Automated Sounding (RAS)Sonic/Ultrasonic Testing