Radar Systems, Inc. - Zond GPR - Ground Penetraiting Radar (GEORADAR)
- Based in Latvia, manufactures equipment for ground penetrating radar.
- http://www.radsys.lv/

Geotech
- Based in Moscow, offers geophysical equipment and surveys including ground penetrating radar, electromagnetic, seismic stations and recorders.
- http://www.geotechru.com/

Vibtech
- Cable-free land and transition zone seismic acquisition systems, using a cellular radio network to telemeter seismic data to a central recording unit in real time.
- http://www.vibtech.co.uk/

R.T. Clark Companies, Inc.
- An international brokerage company offering new, used and surplus equipment for land, marine, and airborne geophysical and geotechnical applications.
- http://www.rtclark.com/

OmniQuest International bv
- Sales, rentals and technical support of geophysical equipment for onshore, offshore, engineering and environmental applications.
- http://www.omniquest.nl/

Bolt Technology Corporation
- Designer and manufacturer of air gun and impulse generating devices as seismic energy sources.
- http://www.bolt-technology.com/

Avalon Sciences Ltd (ASL)
- Designs and manufactures advanced borehole seismic recording systems. Includes a description of the systems and manufacturing methods.
- http://www.avalonsciences.com/

ARAM Systems Ltd.
- Offers equipment sales and product support services for network telemetry seismic recorders.
- http://www.aram.com/

Advanced Logic Technology
- Design and production of slimhole imaging probes, acoustic and optical televiewer, data logging systems and geophysical borehole logging equipment.
- http://www.alt.lu/

ZLS corporation
- Designs and builds high precision gravity meters with zero-length spring. Also includes an electronics lab with repair services and test facilities.
- http://www.zlscorp.com/

RMS Instruments
- Specializes in research, development and production of ruggedized data recording equipment, test and measurement instruments, and geophysical exploration systems.
- http://www.rmsinst.com/

Phoenix Geophysics
- Geophysical manufacturing and contracting company offering magnetotelluric (MT) and induced polarization (IP) instrumentation.
- http://www.phoenix-geophysics.com/home/

Geospace Technologies
- Manufacturer and supplier of recording instrumentation and systems, sensors, geophones, hydrophones, vibration detectors, seismometers, custom cables and umbilicals.
- http://www.concordtech.com/

OYO Geo Space Canada, Inc.
- Develops technologies and engineers products used by the oil and gas industry to acquire geophysical data. Products include sensors, cables, connectors, marine streamer retrieval devices and peripherals, which are used in the acquisition of seismic data.
- http://www.oyogscanada.com/

Kinemetrics, Inc
- Earthquake instrumentation products for monitoring bridges, dams, structures, seismic arrays and networks, as well as systems for the nuclear power industry.
- http://www.kinemetrics.com/

IFG Corporation
- Sales, leasing and research and development service of small diameter borehole geophysics equipment and sensors.
- http://www.ifgcorp.com/

Geomatrix Earth Science Ltd.
- Sales and rental of new and used exploration geophysical instrumentation.
- http://www.geomatrix.co.uk/

Scintrex
- Provides sales and service of geophysical instrumentation for ground, borehole, marine and airborne applications. Includes a product catalog, support manuals, technical papers and software applications.
- http://www.scintrexltd.com/

Gisco Geo
- Worldwide sales, service, and rental of new and used geophysical instruments and field supplies.
- http://www.giscogeo.com/

Applied Geomechanics Inc.
- Sales and technical support of tiltmeters and clinometers. Includes a product catalog and case histories of successful applications.
- http://www.geomechanics.com/

Wireless Seismic
- Multi-channel wireless seismograph systems for recording 3D seismic surveys without geophone cables.
- http://www.wirelessseismic.com/

Güralp Systems Limited
- Designer and manufacturer of low-noise broadband seismometers, seismic digitizers and networking equipment.
- http://www.guralp.net/

Agecodagis SARL
- Designs low power wireless seismic data loggers for research, seismic survey, exploration, industrial monitoring, and real time processing.
- http://agecodagis.no-ip.org/

Exploration Electronics
- Rental and operation of seismic equipment. Includes a description of available equipment and a company profile.
- http://www.exploration-electronics.co.uk/

Sensors and Software Inc
- Ground penetrating radar technology for a variety of applications. Includes products, rentals, maintenance and training.
- http://www.sensoft.ca/

MALÅ GeoScience
- Maker of ground penetrating radar technology for both surface and borehole applications in geophysical, geotechnical and civil engineering fields.
- http://www.malags.com/

Sercel
- Provides seismic acquisition systems based on cable, radio telemetry and vibrators. Includes news, brochures, a catalog of products and services.
- http://www.sercel.com/

GEM Systems Advanced Magnetometers
- Magnetometers for ground, airborne and stationary applications including mineral exploration, hydrocarbon exploration, archeology, environmental, magnetic observatory and earthquake research.
- http://www.gemsys.ca/

Applied Acoustic Engineering
- Acoustic positioning, acoustic release, sub bottom profiling and acoustic telemetry equipment for off-shore industries.
- http://www.appliedacoustics.com/

ZHinstruments
- Designs and manufactures specialized equipment for the measurement of magnetic susceptibility of soils and rocks.
- http://www.zhinstruments.cz/

IDS Ingegneria Dei Sistemi
- Advanced Ground Probing Radar (GPR) systems using multichannel, multifrecuency and multipolarization array radar systems for non-destructive inspection.
- http://georadar.ids-spa.it/

Icefield Tools Corporation
- Manufacturer of digital borehole survey tools for the mining, geotechnical, and oil and gas industry.
- http://www.icefieldtools.com/

3Dgeophysics.com
- Sells, rents and services geophysical instrumentation used on environmental, geotechnical and mining projects.
- http://www.3dgeophysics.com

NOMIS Seismographs, Inc.
- Manufacturer of seismic monitoring equipment.
- http://www.nomis.com/

Geometrics Inc.
- Manufacturer of geophysical instruments for subsurface investigation.
- http://www.geometrics.com/

Geonics Limited
- Manufacturer of electromagnetic geophysical survey systems.
- http://www.geonics.com/

Georadar
- Offers ground-penetrating radar (GPR) systems for locating buried objects in the ground.
- http://www.georadar.com/

IRIS Instruments
- Manufacturer of equipment for geophysical, geotechnical and environmental in-the-field investigations. Site in English, French, and Spanish.
- http://www.iris-instruments.com/

Seistronix
- Manufactures, leases and sells exploration seismographs and related geophysical equipment for oil, gas, mineral and geotechnical exploration.
- http://seistronix.com/

Bartington Instruments
- Manufactures fluxgate magnetometers, magnetic field sensors and magnetic susceptibility systems for soils and rocks.
- http://www.bartington.com/

Mount Sopris Instruments
- Manufacturers of borehole geophysical logging systems for the geological, natural resource, and environmental communities.
- http://www.mountsopris.com/

Marschall Acoustics Group
- Provides a wide range of geophysical sensing and measurement instrumentation, including solid towed hydrophone arrays, solid state geophones, and electromagnetic imaging and analysis systems.
- http://www.hydrophones.com/

Micro-g Solutions Absolute Gravity Instruments