3DGeo Development, Inc.
   Wave-equation depth migration and wave-equation velocity model building, software products for subsalt imaging and complex structures.
   http://www.3dgeo.com/

4th Wave Imaging
   Services and software in reservoir monitoring and advanced seismic imaging analysis and interpretation, inversion and 4D time-lapse analysis.
   http://www.4thwaveimaging.com/

ARK CLS
   Custom programming services and products to enhance and improve seismic processing and interpretation of geoscience data.
   http://www.arkcls.com/

AutoDRM
   An AutoDRM (Automatic Data Request Manager) is a software package, that allows anyone with access to electronic mail to retrieve data from the site where such an AutoDRM is installed.
   http://www.seismo.ethz.ch/autodrm/

DataCo Ltd.
   Data management services specializing in clean-up and verification of seismic surveys, subsurface and stratigraphic data.
   http://www.dataco-ltd.com/

Earthworks Environment & Resources Ltd.
   Software products and technical papers related to using geostatistical methods for depth conversion and stochastic seismic inversion.
   http://www.sorviodvnvm.co.uk/

Foster Findlay Associates Limited
   Software developer offering 3D seismic image processing and attribute analysis. Includes a technology overview and product description with workflows.
   http://www.ffa.co.uk/index.html

GPLib++ Geophysical library
   A C++ library to process and model geophysical data, particularly seismic and magnetotelluric. It also includes a genetic algorithm for data inversion, signal processing and statistics routines.
   http://sourceforge.net/projects/gplib

GeoCap AS
   2D/3D mapping and modeling software, with modules for seismic interpretation, surface modeling of seismic lines, depth conversion, volumetrics, and reservoir simulation data.
   http://www.geocap.no/

GeoCenter, Inc.
   Seismic data processing services and software technology. Describes the processing modules, training and technical support.
   http://www.geocenter.com/

GeoGraphix
   Software products for interpretation, data analysis and communication across geoscience and engineering workflows.
   http://www.geographix.com/

GeoShapes Technology
   Software consulting and research and development of seismic imaging and modeling, inversion algorithms, and computational geometry for earth model visualization and construction.
   http://www.geo-shapes.com/

GeoTomo
   Software products for seismic survey design and modeling, statics solutions, surface seismic data analysis, crosshole seismic data processing, VSP model building, and 3D seismic visualization and interpretation.
   http://www.geotomo.com/

Geogiga Technology Corp.
   Software for processing and interpreting shallow geophysical data in environmental and engineering applications.
   http://www.geogiga.com/

Geophysical Software Solutions
   Specialists in the analysis and interpretation of potential field data. 3D gravity and magnetic modelling and software development.
   http://www.geoss.com.au/

GprMax - Numerical Simulator for GPR
   GprMax 2D and 3D numerical simulator for Ground Penetrating Radar. Free to use for research and teaching purposes and can be used to create synthetic GPR responses from complex targets.
   http://www.gprmax.org/

IGMAS - Interactive Gravity and Magnetic Application System
   Interactive, graphical computer system for interpretation of potential fields (gravity and magnetics) by means of numerical simulation, with simultaneous modelling of field elements. Includes example projects and a downloadable demo version.
   http://www.gravity.uni-kiel.de/igmas/

Ikon Science
   Provides software solutions for quantitative interpretation based on rock physics and forward modelling.
   http://www.ikonscience.com/

Interpex
   Dedicated to the production of high quality software for the processing, interpretation and display of geophysical data. Includes shareware, software and tutorials.
   http://www.interpex.com/

Intrepid Geophysics
   A potential field geophysical interpretation, processing, visualisation and map composition system, automatic depths and 3D geology modelling.
   http://www.intrepid-geophysics.com/

Leadingsoft Corporation
   Software application modules for converting industry standard SEG-Y seismic files into GIS and scalable digital plot files for vertical sections or time slices with data headers.
   http://www.leadingsoft.com/

MB System
   Software for the processing and display of swath sonar data used for mapping bathymetry and seafloor characteristics.
   http://www.ldeo.columbia.edu/res/pi/MB-System/

Madagascar
   Open-source software package for geophysical data processing and reproducible numerical experiments. Includes a description of the features, download and installation procedures and documentation.
   http://rsf.sourceforge.net/

OpendTect
   An Open Source seismic interpretation environment for processing, visualizing and interpreting multi-volume seismic data.
   http://www2.opendtect.org/

PetRos EiKon Inc.
   Offers electromagnetic and magnetic 3D modelling and inversion software (EMIGMA, GeoTutor III) and geophysical data quality control software (QCTool) for sale and lease.
   http://www.petroseikon.com/

Phoenix Data Solutions Limited
   Scanning and trace digitizing of paper or film seismic data, utilizing proprietary software to output industry standard SEG-Y formats.
   http://www.phoenixdatasolutions.co.uk/

Predrill Stresses International Pty Ltd
   Software that uses 2D or 3D seismic to predict fault seal and fractures, and calculate in-situ stress in sedimentary basins pre-drill.
   http://www.predrillstress.com/

Rayfract
   Geophysical data interpretation software provides subsurface seismic velocity models.
   http://rayfract.com/

Reflection Exploration
   Windows-based software for seismic processing and velocity analysis.
   http://www.reflectionexploration.com/

Sandmeier Scientific Software
   Ground-Penetrating-Radar ( GPR ) and reflection/refraction-seismic data processing software as well as solutions for various other near-surface geophysical applications like ultrasound and geoelectric.
   http://www.ka.shuttle.de/software/

SeisLink
   Software applications for integration of seismic velocities, check-shot data, sonic data, well tops and geologic maps.
   http://www.seislink.com/

SeisWare
   Seismic interpretation solutions based on the Windows platform. Includes a company profile, description of software products, support and documentation.
   http://zokero.com/

USGS Potential-Field Geophysical Software for the PC
   Designed to take geophysical measurements, primarily gravity-field and magnetic-field data, in the form of point data, flight-line data, or gridded data; process them; display them; and aid in their interpretation.
   http://pubs.usgs.gov/fs/fs-0076-95/FS076-95.html

Velocity Manager
   An interactive program for velocity modelling and depth conversion of seismic time grids. Includes sofware features, publications and consulting.
   http://www.velocitymanager.com/

dGB Earth Sciences
   Develops and markets geo-scientific software solutions for quantitative seismic interpretation and seismic object detection. Includes a description of products and services, as well as publications and case studies.
   http://www2.dgb-group.com/

eSeis, Inc.
   Develops software and seismic processing tools that combine well log analysis with pre-stack seismic data.
   http://www.e-seis.com/

Ødegaard
   Product suite for simultaneous seismic inversion and seismic reservoir characterization. Includes a description of the software packages, suggested workflows and publications.
   http://www.oedegaard.com/