Geophysical services and rental of geophysical equipment. Specializes in passive seismic tomography surveys for the oil industry and in pipeline early warning pollution systems.

www.landtech.org/

The LGA, established 1874, holds monthly lecture and field meetings exploring aspects of the geology and scenery of Leeds, Yorkshire and beyond. Membership is open to all.

www.leedsgeolassoc.freeserve.co.uk/

Data broker offering sales and licensing of spec and proprietary gravity, aeromagnetic, and magnetotelluric surveys throughout the US. Includes an interactive map showing coverage.

www.gravitydata.com/

Remote sensing services using radiometric, geochemical, and Earth resistivity profiling surveys. Includes technical explanations and success stories.

www.mammoth-geo.com/

Provider of airborne geophysical surveys and measurements of gravity, magnetic and electromagnetic forces and gamma radiation on the ground and from fixed-wing aircraft and helicopters.

www.mgssurveys.com/

Describes geophysical research programs and course content at Monash University in Australia. Provides a summary of geophysical methods for exploration, geotechnical, groundwater, and environmental surveys. Provides links for commercial services ...

www.geophysics.monash.edu.au/

Provider of marine seismic services to the global oil and gas industry with a focus on towed seismic, multiclient seismic services, and ocean bottom seismic as well as other geophysical sub-sea operations.

www.multiwave.no/

Subsurface detection using magnetics, electromagnetics, ground penetrating radar, UXO detection, seismic refraction and reflection, utility location, self potential, resistivity, and borehole logging.

www.naevageophysics.com/

USGS program has the primary Federal responsibility for recording each damaging earthquake in the United States on the ground and in man-made structures in densely urbanized areas to improve public earthquake safety. The program maintains a ...

nsmp.wr.usgs.gov/

Scientists and engineers pursuing the understanding and applications of rock properties to geological problems.

www.ner.com/

Offering magnetic, radiometric and time domain electromagnetic airborne surveys to the mining and petroleum industries.

www.new-sense.com/

Provider of controlled source electromagnetic imaging (CSEMI) services, including surveying, data processing, and data interpretation services.

www.ohmsurveys.com/

Meeting place, both technically and socially, for persons interested in geosciences in the Oslo area. Information about events and the society.

www.oseg.no/

Installation and maintenance of accelerographs and earthquake monitoring equipment, and consulting services on earthquake damage mitigation.

www.oyo.co.jp/

An information system aimed at archiving, publishing and distributing data from global change research with special emphasis on geological, marine and environmental sciences.

www.pangaea.de/

Specialists in the management, processing and interpretation of airborne and ground geophysical surveys. Also offers a variety of non-exclusive international datasets.

www.pgw.on.ca/

Provides data acquisition, processing and interpretation services in the field of advanced 3D borehole seismology and massive 3D VSP. Includes hardware specifications and survey design parameters.

www.paulsson.com/

Electro-telluric sweep receiver data acquisition and navigation systems for environmental measurements and geophysical exploration.

www.pinemontgroup.com/

Conducts 2D and 3D seismic recording in extreme conditions, from sources that include dynamite, vibroseis, marine airguns and explorer accelerated weight drop system.

www.polarisexplorer.com/

Provides geophysical services to the mining industry with a focus on data acquisition, interpretation and survey execution.

www.quantecgeoscience.com/

Specializes in induced polarization resistivity surveys. Other methods such as magnetometer and VLF-EM are also available. Additional processing and interpretation are offered, including inversion of IP and resistivity data.

www.scottgeophysics.ca/

Specializing in marine multi-component seismic acquisition, and processing of marine streamer and ocean bottom seismic data.

www.seabed.no/

Seismic contracting for survey design, acquisition and processing. Includes a company history and portfolio of past projects.

www.seispros.com/

2D and 3D seismic data marketing with proprietary databases in the Gulf of Mexico, domestic onshore and transition zone.

www.seismicexchange.com/

An international association devoted to the advancement of earthquake science. Includes news and meetings, publications, and links to government and education resources.

www.seismosoc.org/

Data library of land and marine surveys available for license. Includes an online GIS viewer for registered users to download detailed information.

www.seitel-inc.com/

Marine geophysical contractor in Russia, offers 2D/3D marine seismic acquisition, navigation positioning, processing and integrated interpretation of seismic data.

www.smnggeophysics.com/

Ground geophysical surveys for the mineral exploration, environmental and engineering industries, including induced polarization and resistivity, electromagnetic, gravity, magnetic, radiometric, and ground penetrating radar.

www.sjgeophysics.com/

SEG hosts 2 monthly publications and yearly trade shows, at the international, national, and regional level. The major organization for geophysicists involved in exploration and production of hydrocarbons.

www.seg.org/

Contract surveys, processing and interpretation of ground geophysical Data, airborne magnetic, EM and radio-metric data.

www.spectralgeophysics.com/