Actidyn Systemes - Form offering simulation of physical phenomena using vibration, universal testing machines, balancing machines, centrifuges and earthquake simulators. Engineering Seismology Group Canada - Specializes in passive monitoring of induced microseismicity, designs and manufactures vibration sensors, acquisition systems and recording instruments. Excel Geophysics Inc. - Provides gravity and magnetic field surveys, data processing, interpretation and equipment rentals. Enviro-Tech Surveys Ltd. - Designs and executes 2-D and 3-D seismic surveys using state-of-the-art GPS technologies for digital mapping products. Zonge International Inc - Equipment manufacturing and field services of electrical and electromagnetic methods for subsurface imaging applied to hydrological, hydrocarbon, environmental, engineering, and unexploded ordnance. Rock Solid Images - Solutions for seismic reservoir characterization, seismic attributes and rock physics. Geoenergy - Providing solutions for seismic data compression, processing, and data management in the oil and gas industry. MicroGeophysics Corporation - Geophysical contract company. Publications, work sites and a client list. Earthquake Detector - The Quake Alarm provides early warning of earthquakes by detecting the compression wave (the P wave) which precedes the actual shear wave of an earthquake. The Online Geoscience Dictionary - The Online Geoscience Dictionary allows all registered users to access and update over 20000 Geoscience definitions. In addition Geoscientist users can trace old colleagues and have a technical discussion online. Force Balanced Physics - Details of a new earth in-situ mechanical systems relationship between mass, 3-D loads and stresses, pore fluid pressure, strain and rock physical properties. Also includes information on text book and services offered. New England Research - Scientists and engineers pursuing the understanding and applications of rock properties to geological problems. New-Sense Geophysics Limited - Offering magnetic, radiometric and time domain electromagnetic airborne surveys to the mining and petroleum industries. UTS Geophysics - Ultra-high resolution airborne geophysical surveys, offering advanced data acquisition and processing of airborne magnetics single sensor and gradient, radiometrics, gravimetry and electromagnetics. Paterson, Grant and Watson Limited - Specialists in the management, processing and interpretation of airborne and ground geophysical surveys. Also offers a variety of non-exclusive international datasets. Abitibi Geophysics - Based in Quebec, offering a wide range of ground geophysical survey types for mineral exploration, particularly precious metals and diamonds. Austin Exploration Inc. - Acquisition of marine and land gravity and magnetics surveys. Includes a description of non-exclusive surveys available, new technology systems, and data services. Crone Geophysics and Exploration Ltd. - Time domain electromagnetics equipment design and survey acquisition. Includes case histories and technical papers. Geophysics GPR International - Airborne geophysics for mineral exploration, buried object detection, concrete structure evaluation, and environmental and contamination studies. Quantec Geoscience - Provides geophysical services to the mining industry with a focus on data acquisition, interpretation and survey execution. Naeva Geophysics, Inc - Subsurface detection using magnetics, electromagnetics, ground penetrating radar, UXO detection, seismic refraction and reflection, utility location, self potential, resistivity, and borehole logging. Scott Geophysics Ltd. - 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. SJ Geophysics Ltd. - Ground geophysical surveys for the mineral exploration, environmental and engineering industries, including induced polarization and resistivity, electromagnetic, gravity, magnetic, radiometric, and ground penetrating radar. Geophex - Ground survey company conducting gravity, magnetic, electrical, electromagnetic, seismic reflection and refraction, and ground-probing radar surveys with a focus on environmental projects. OYO Corporation. - Installation and maintenance of accelerographs and earthquake monitoring equipment, and consulting services on earthquake damage mitigation. Pinemont Technologies Inc. - Electro-telluric sweep receiver data acquisition and navigation systems for environmental measurements and geophysical exploration. Ultramag Geophysics Pty. Ltd - Manufacture, sales and rentals, and magnetometer survey services. Includes information about the earth's magnetic field and case studies. AOA Geophysics Inc. - Survey design, data acquisition and processing, mapping and interpretation, geoscience consulting as applied to energy exploration and development engineering, and geotechnical and construction engineering projects. Sander Geophysics Limited - Specializes in high resolution airborne magnetic, gravimetric and radiometric surveys using fixed-wing aircraft and helicopters. Terraquest Ltd - Specializes in airborne geophysical surveys, geophysical consulting, data interpretation, enhancement and modeling. Arcis - Seismic data processing, participation surveys, geotechnical services, marketing and data management, and 2D and 3D seismic data libraries for the Western Canadian Sedimentary Basin. BGP, Inc. - Acquisition and processing of shallow water and transition zone seismic surveys. Bird Seismic Services - Acquisition of streamer and transition zone seismic reflection and refraction for environmental, ground water surveys and shallow gas. Canesis Data - Offers data conditioning and restoration services, including seismic vectorizing and log and map digitizing. DMNG Sakhalin Geophysical Company - Research vessels for the acquisition of geophysical data, including gravitational prospecting, magnetometric prospecting and seismic survey 2D/3D. Flamingo Seismic Solutions - Offers interpretive processing that provides detailed reservoir characterization using advanced AVO, spectral decomposition and seismic texture analysis. Geofizyka Toruń - 3D and multicomponent seismic surveys in Eastern Europe. Onshore acquisition, processing and interpretation services, well logging and downhole seismic surveys. Geophysical Development Corporation - Seismic data processing and exploration services including time and depth imaging, AVO and petrophysical analysis. Geophysical Service Incorporated - Crew operations, data management, equipment leasing, acquisition and processing of speculative land and marine 2D and 3D data. GeoStrata Resources Inc. - Operates geophysical acquisition crews capable of recording dynamite, vibroseis, truck or heliportable operations with both 3D or 2D parameters. Global Geophysical Services - Specializes in acquiring high density, reservoir grade 3D data sets and provides land and marine seismic acquisition solutions on a proprietary contract or speculative basis. Hardin International Processing, Inc. - Geophysical processing center for seismic data. Includes a description of software and hardware technology and a company profile. JEBCO Seismic L.P. - Provides a library of spec data and non-exclusive surveys, including land 3D, transition zone, ocean bottom cable, and regional 2D and 3D marine programmes. Kelman Technologies Inc. - Digital seismic data processing, archiving and data management services. Paulsson Geophysical Services, Inc. - 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. Polaris Explorer Ltd. - Conducts 2D and 3D seismic recording in extreme conditions, from sources that include dynamite, vibroseis, marine airguns and explorer accelerated weight drop system. Seabird Exploration Norway AS - Provider of 2D, source and shallow water 2D/3D seismic services. Seismic Exchange, Inc. (SEI) - 2D and 3D seismic data marketing with proprietary databases in the Gulf of Mexico, domestic onshore and transition zone. Seitel - Data library of land and marine surveys available for license. Includes an online GIS viewer for registered users to download detailed information. Tricon Geophysics, Inc. - Provides 3D and 2D seismic processing services including 3D pre-stack migration and depth imaging. Vector Seismic Data Processing, Inc. - Seismic data processing and research and development of software for solving complex 2D/3D seismic images. Velseis Pty Ltd. - An Australian seismic exploration company providing a range of seismic technologies and contracting services for coal, mineral and hydrocarbon exploration. Challenger Geophysical Ltd - Provides engineering and environmental geophysical data acquisition, processing and interpretation. Atlantic Subsurface Imaging - Uses ground penetrating radar (GPR) to locate utilities and other structures hidden in concrete or buried underground. GPR Professional Services - Offers ground penetrating radar services, including scanning, consulting, on-site training, and sales of GPR equipment. Based in Marblehead, Massachusetts. GeoTek Services - Provides ground penetrating radar and electro-magnetic induction services for concrete scanning, utility locating and environmental site surveys. PhotoSat - Specialists in the computer processing of satellite image data for the identification, evaluation, monitoring and regulation of natural resources and the mapping of related infrastructure. Geo Data Solutions - Provides services in acquiring, processing and interpreting aerial surveying, spectrometry, geochemistry. Site includes description of services offered and company information. RAS Inc - Subsurface evaluations that include geophysical, hydrophysical, hydrological, imaging, interpretation, modeling and training. Based in Colorado. Spotlight Geophysical Services - Geophysical services for engineering and environmental applications specializing in karst, shallow marine, and geologic hazard assessments. Precision GeoSurveys Inc. - Company based in Vancouver, Canada, specializing in high resolution airborne magnetic, radiometric and electromagnetic surveys in mountainous terrain. GeoDynamics Research S.r.l. - Development and application of infrasonic passive differential spectroscopy, a less invasive technology for the detection and monitoring of hydrocarbon reservoirs. Nan Gall Technology - A specialist design and manufacturing company producing leading edge downhole and surface data acquisition equipment for the oil gas industry based in Aberdeen, Scotland. Electromagnetic GeoServices - Global provider of 3D electromagnetic data for offshore oil and gas exploration; from scanning frontier areas and de-risking seismic prospects to appraisal and delineation of reservoirs. US Radar inc - Specialist in the design and innovation of surface and ground penetrating radar systems. Includes details of products and applications.