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| geophysical surveys for engineering and environmental projects |
| Geophysical services including ground penetrating radar, seismics and resistivity investigations, for well and utility-location |
| Offers seismic quality control for both vibroseis and dynamite projects |
| Offering geophysical surveys to rapidly and non-invasively characterize subsurface processes on a site |
| Global consulting firm based in the UK |
| Geophysical consulting company located in Houston, Texas |
| Marine geophysical surveys, engineering site surveys, quality assurance, geophysical and geological consultancy |
| Provides geophysical expertise and software tools for the oil and gas exploration industry |
| Worldwide sales, service, and rental of new and used geophysical instruments and geophysical supplies |
| Geophysical consulting firm specializing in surface and downhole geophysical methods to identify subsurface conditions |
