- Aero Surveys Inc.
Specialises in airborne geophysical surveys, using a variety of techniques and aircraft. Included are: magnetometer, gamma ray spectrometer, gravity meter, EM singly and/or in any combination.
- T/X Resources
Geophysical consulting company located in Houston, Texas. Specializes in seismic interpretation for oil & gas companies, utilizing advanced computer technologies.
- 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
- 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.