Xenon Geosciences, Inc. - Provides geophysical services in support of engineering and environmental efforts. Hasbrouck Geophysics, Inc. - Complete geophysical consulting and contracting for the mining, groundwater, environmental and engineering industries with over 30 years of experience. Geosearches Inc. - Provides ground penetrating radar subsurface and concrete investigations. Includes list of services and typical applications. Reid Geophysics - Geophysical exploration consultancy in gravity and magnetics for petroleum and in mining and environmental geophysics using EM, electrical, gamma ray and magnetic imaging methods Seismic Consultants Group Pty. Ltd. - Offers specialist services in land and transition zone seismic field crew supervision and quality control, project planning and management, technical and HSE audit and survey design. Spectrum Geophysics - Geophysical services including ground penetrating radar, seismics and resistivity investigations, for well and utility-location. Subsurface Surveys and Associates, Inc. - Specializes in near surface geophysics and utility locating services. TerraDat - Provides non-invasive geophysical site investigations in relation to the geotechnical, civil engineering, waste management, groundwater and mineral industries. Applied Seismology Consultants - Provide seismic monitoring of rock masses and concrete structures, particularly for radioactive waste, mining, civil engineering and petroleum applications. Earth Dynamics - Terrestrial and marine engineering geophysical studies including: seismic refraction, electrical resistivity, ground penetrating radar, gravity, magnetics, side scan sonar and sub-bottom profiling. Quantum Geophysics, Inc. - Specialists in surface and downhole geophysical survey for engineering, groundwater, electrical resistivity and environmental studies. GeoModel, Inc. - Environmental and geophysical consulting for ground penetrating radar surveys and other geophysical surveys worldwide. ClearView Geophysics Inc. - Offers near surface survey techniques for environmental engineering and mineral exploration. Zetica Geophysics - Environmental and engineering site investigations combining non-invasive scanning techniques with traditional methods. Subsurface Geotechnical - Provides engineering and environmental geophysical services for site investigation, contaminated land and NDT Hager-Richter Geoscience - Specialists in surface and borehole geophysics for environmental, archaeological and engineering applications. Met Surveys Geophysics - Non-intrusive geophysical survey specialists for the engineering, environmental and brownfield development industries. EDCON Gravity and Magnetics - Gravity and magnetic data acquisition, processing and interpretation. Specializing in airborne, borehole, land and marine gravity and magnetics for environmental, engineering and energy industries. Enviroscan - Specializes exclusively in non-intrusive, non-destructive geophysics - the science of detecting and mapping underground, underwater, or otherwise hidden objects or features. Eastern Atlas - Specializing in investigation of contaminated sites, dykes, landfills, cavity and utility detection. NORCAL Geophysical Consultants, Inc. - Surface data acquisition and interpretation, borehole logging and imaging, for environmental, geohydrologic, geotechnical, and engineering applications and UXO detection. Applied Geophysics - Acquisition, interpretation and reprocessing of aeromagnetic data, including group surveys and a proprietary data bank with stereo 3D magnetic and terrain maps. Centennial Geoscience, Inc - Integrated geologic and geophysical consulting, data acquisition, processing, and interpretation. Condor Consulting Inc. - Provides general geophysical consulting for minerals exploration, and/or groundwater and environmental assessment, specializing in airborne survey management, processing, interpretation, QC, and safety. Golder Geophysics - Provides professional geophysical consulting services to a complete spectrum of engineering, environmental and mining clients around the world. IGC - Integrated Geophysics Corporation - Provides integrated geological and geophysical interpretation services to the petroleum and mining industries. Includes an online glossary of gravity and magnetics terms. Lyatsky Geoscience Research and Consulting Ltd. - Interpretation of gravity and magnetic data and field acquisition and processing of potential-field data, for oil and gas, mineral and coal exploration. Southern Geoscience Consultants - Mineral exploration services include design, supervision, processing and interpretation of all types of ground and airborne geophysical surveys. Stratgex Ltd. Geophysical Consulting - Consulting company based in Toronto, Ontario Canada, with expertise in the design, application, management, processing and interpretation of geophysical surveys for mining, petroleum and environmental studies. Crebs Geophysics - California-registered mining geophysicist specializing in helicopter-borne electromagnetics/magnetics (HEM) geophysical surveys for nickel, copper, cobalt, platinum-group metals (PGMs), and diamonds. Big Sky Geophysics - Potential field (gravity and magnetics) and electrical/EM methods for applications in mineral exploration, hydrocarbon exploration, and engineering studies. AS Geograf - Consultancy and quality control services for acquisition and processing phases of exploration seismic and position data. Count Geophysics Limited - An independent geoscience consultancy focusing on geophysical interpretation and seismic acquisition management. Earth Resources Exploration - Provides seismic processing, reservoir modelling, stratigraphic and biostratigraphy consulting as well as software and technical training. Geophysical Data System Ltd. - Consulting in 2D and 3D seismic exploration with a focus on processing and interpretation of seismic data, as well as supervising quality control of field seismic operations and field acquisition. Interactive Exploration Solutions, Inc. - Geophysical and geological interpretation consulting services, 2D and 3D modeling, seismic survey design, and integrated field studies. Measured Earth Limited - Offers consulting services in survey design planning, data acquisition and operations management, and processing sequence development. Stuart Fletcher, Consultant Geophysicist - A consultancy providing seismic interpretation and associated geoscience services to the oil and gas industry. TEEC - Consultancy specializing in geostatistical modelling, reservoir characterisation, coherency processing, neural networking, conventional and advanced seismic processing and interpretation. WTW & Associates - Offers data digitizing and mapping services as well as seismic survey design, field processing and supervision. Zebra Geosciences Limited - Survey planning, field QC, processing and interpretation of VSP data and borehole seismic surveys. Amulet Exploration Ltd. - Geophysical consulting and exploration management, based in Calgary. In-Depth Solutions, LLC - Velocity modeling and depth conversion services and software. CWSX Oil and Gas Exploration - Prospect generation and consulting services specializing in geology and geophysics, seismic interpretation and attribute analysis for structural and stratigraphic prospects. Select Surveys - Surveying work including ground penetrating radar surveys, GPS surveying and electromagnetic utility detection, through to planning and feasibility services such as composite drawings, statutory undertakers searches and CAD services. Geopotential - Specializes in environmental and exploration geophysics using gravity, magnetics, electromagnetics and ground penetrating radar. Verif-i: The Seismic QC Consultancy - Seismic exploration consultants offering technical auditing, advanced software and hardware solutions and in-depth training. Dawood Engineering: Geophysics - Provides comprehensive sub-surface and borehole services to geotechnical, environmental, hydrologic and geologic organizations in North America. Saudi Geophysical Consulting. - Provides details of the engineering, environmental, oil and mineral and technical services offered. Prism GeoImaging, Inc. - Geophysical investigation services, geoimaging, engineering and environmental consulting, geology, geophysics, subsurface investigations. Tejas Consultants - Offshore scientific surveys design, navigation survey design, rig and platform positioning, seismic data processing in house and offshore, data acquisition QC, onboard data processing. Based in New Zealand. Reynolds Geo-Sciences Ltd. - Environmental and engineering geophysics consultancy within the specialist area of glacial hazard assessment and remediation, earthquake preparedness and marine geotechnics. Fromm Applied Technology - Geophysical consultant offering seismic refraction, seismic reflection, electrical resistivity, OhmMapper, ground penetrating radar, underground locating, seismic surveys, magnetometer and other services.