Rock Solid Images (Popularity: ): Solutions for seismic reservoir characterization, seismic attributes and rock physics. Geoenergy (Popularity: ): Providing solutions for seismic data compression, processing, and data management in the oil and gas industry. Geophysical Directory (Popularity: ): Directory of petroleum exploration companies who specialize in geophysical services and exploration. Land Tech (Popularity: ): Geophysical services and rental of geophysical equipment. Specializes in passive seismic tomography surveys for the oil industry and in pipeline early warning pollution systems. MicroGeophysics Corporation (Popularity: ): Geophysical contract company. Site includes publications, work sites and a client list. Geoseismic (Popularity: ): Supplier of earthquake monitoring systems: Hardware and Software designed to track earthquakes. Earthquake Detector (Popularity: ): 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. Engineering Seismology Group Canada (Popularity: ): Specializes in passive monitoring of induced microseismicity, designs and manufactures a diverse range of products. Actidyn Systemes (Popularity: ): Form offering simulation of physical phenomena using vibration, universal testing machines, balancing machines, centrifuges and earthquake simulators. Earth Resource Management Services (Popularity: ): Provides geostatistics consulting to reduce risk, manage uncertainty for earth resource exploitation and supply. Bartington Instruments (Popularity: ): Manufactures fluxgate magnetometers, magnetic field sensors and magnetic susceptibility systems for soils and rocks. IRIS Instruments (Popularity: ): Manufacturer of equipment for geophysical, geotechnical and environmental in-the-field investigations. Site in English, French, and Spanish.