| Phylogenetics_Methodology Introduction to various phylogenetic statistical methodologies. |
| Understanding_Cladistics Short introduction from the American Museum of Natural History. |
| What_is_Cladistics? The methods and terminology of phylogenetic systematics explained by the magazine Fossil News. |
| Willi_Hennig_Society Society of scientists studying cladistics. |
| Abitibi_Geophysics Based in Quebec, offering a wide range of ground geophysical survey types for mineral exploration, particularly precious metals and diamonds. |
| Actidyn_Systemes Form offering simulation of physical phenomena using vibration, universal testing machines, balancing machines, centrifuges and earthquake simulators. |
| Aeroquest_International_Limited Providing services to the mining and oil and gas industries, offers both frequency-domain and time-domain helicopter electromagnetic systems as well as conventional fixed wing Mag/Grav and radiometric |
| AGO Acquisition and processing of marine controlled-source electromagnetic (CSEM) and marine magnetotelluric (MMT) services for use in offshore exploration activities. |
| 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 engine |
| Applied_Geophysical_Services Velocity modeling and prestack depth migration using proprietary algorithms for seismic data processing. |
| 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. |
| 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. |
| Australian_Seismic_Brokers Maintains and licenses a seismic database library for the Asia Pacific region. Also has current spec data acquisition projects and reprocessing capabilities. |
| 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. |
| Blackhawk Geophysical imaging and emerging technologies to address a variety of applications and engineering problems related to transportation, infrastructure, environmental, mining, tunneling, unexploded ordn |
| Canesis_Data Offers data conditioning and restoration services, including seismic vectorizing and log and map digitizing. |
| Carson_Aerogravity High resolution aerogravity and magnetic surveying. Turnkey survey data processing and interpretation. Includes a description of acquisition methods and equipment. |
| Crone_Geophysics_and_Exploration_Ltd_ Time domain electromagnetics equipment design and survey acquisition. Includes case histories and technical papers. |
| DMNG_Sakhalin_Geophysical_Company Research vessels for the acquisition of geophysical data, including gravitational prospecting, magnetometric prospecting and seismic survey 2D/3D. |
| Earth_Resource_Management_Services Provides geostatistics consulting to reduce risk, manage uncertainty for earth resource exploitation and supply. |
| Earthquake_Detector The Quake Alarm provides early warning of earthquakes by detecting the compression wave (the P wave) which preceeds the actual shear wave of an earthquake. |
| ElectroMagnetic_GeoServices Uses seabed-logging, an application of marine controlled source electromagnetic (CSEM) that has the ability to map the subsurface resistivity remotely from the seafloor. |
| Elliott_Geophysics_International Manufactures a specialized line of geophysical equipment for airborne geophysical surveys, and provides project management and consulting for survey acquisition and processing. |
| Engineering_Seismology_Group_Canada Specializes in passive monitoring of induced microseismicity, designs and manufactures a diverse range of products. |
| 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. |
| Excel_Geophysics_Inc_ Provies gravity and magnetics field surveys, data processing, interpretation and equipment rentals. |
| Flamingo_Seismic_Solutions Offers interpretive processing that provides detailed reservoir characterization using advanced AVO, spectral decomposition and seismic texture analysis. |
| 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 a |
| Gardline_Marine_Sciences 2D/3D high resolution data acquisition and interpretation, shallow gas hazard analysis, seabed mapping, shallow to deep water soil investigation, near shore and coastal surveys and hydrometrics activi |
| GEDCO Services in 3D and 2D seismic design, processing and interpretation as well as potential field services, such as high resolution aeromagnetic and gravity. |
| GeoData_Corporation Broker offering domestic and international exploration data on a fee license to use basis. Includes regional map studies, seismic surveys and gravity data. |
| Geodatos Services in geophysical exploration covering the acquisition, processing and interpretation stages for the minerals, water resources and petroleum industries in Chile and South America. |
| Geoenergy Providing solutions for seismic data compression, processing, and data management in the oil and gas industry. |
| Geofizyka_Toruń 3D and multicomponent seismic surveys in Eastern Europe. Onshore acquisition, processing and interpretation services, well logging and downhole seismic surveys. |
| GeoPen Series of geophysical exploration instruments used for environmental and engineering exploration. |
| Geophex Ground survey company conducting gravity, magnetic, electrical, electromagnetic, seismic reflection and refraction, and ground-probing radar surveys with a focus on environmental projects. |
| 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. |
| Geophysics_GPR_International Airborne geophysics for mineral exploration, buried object detection, concrete structure evaluation, and environmental and contamination studies. |
