AutoDRM http://www.seismo.ethz.ch/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.
GeoTrace http://www.geotrace.com/
Provides high technology seismic data processing services and software to the oil and gas industry worldwide.
GprMax - Numerical Simulator for GPR http://www.gprmax.org/
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.
PetRos EiKon Inc. http://www.petroseikon.com/
Offers electromagnetic and magnetic 3D modelling and inversion software (EMIGMA, GeoTutor III) and geophysical data quality control software (QCTool) for sale and lease.
Sandmeier Scientific Software http://www.ka.shuttle.de/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.