3D UTAPWeLS
ADVANCED LOGIC TECHNOLOGY
ANTARES Datensysteme GmbH
ATEMIS Technologies
AUTOMATED MUDLOGGING SYSTEMS
Baker Atlas Geoscience
BOWLER PETROPHYSICS INC
CANADIAN WELL LOGGING SOCIETY
CENTRAL GEOPHYSICAL EXPEDITION
CGG
DATA STORAGE TECHNOLOGIES (THREE OAKS SOFTWARE)
DIGIRULEINC.
Digital Formation, Inc
DONOVAN Enterprises Ltd.
EDCON
ElCoSoft Entwicklungs- und Vertriebsgesellschaft mbH
eGAMLS Inc
G R I
GEOGRAPHIX
GeolOil Petrophysics
GEOPHYSICAL MICRO COMPUTER
GEOSOFT DEVELOPMENT
GS SOFTWARE
HAMPTON DATA SERVICES
HRH Limited
HYDROCARBON DATA SYSTEMS
HALLIBURTON LANDMARK (no longer Landmark Graphics Corp)
IHS ACCUMAP
iMINERALYSIS SOFTWARE
INTERPRETIVE IMAGING
INTERPRETIVE SOFTWARE PRODUCTS
KANSAS GEOLOGICAL SURVEY
KNOWLEDGE SYSTEMS
LAS WORX by NRGX
LOGIC GROUP (THE)
LOGICOM COMPUTER SERVICES (UK)
LOGPRO GEOTECHNICAL SERVICES
Math2Market GmbH
MIND & VISION COMPUTER SYSTEMS
MODERN LOG ANALYSIS COMPANY PTY LTD
NEURALOG
OILWARE
PARADIGM GEOPHYSICAL CORP
PETROLEUM SOFTWARE TECHNOLOGIES
PETROLOGIC
PETROPHYSICAL SOLUTIONS
PETROSPEC TECHNOLOGIES
RESDIP SYTEMS
SCHLUMBERGER GEOQUEST
SEISMIC SOLUTIONS INT
STRATAMAGNETIC SOFTWARE
SUPERSONIC GEOPHYSICAL LLC
TECHSIA TECHLOG
TEKNICA OVERSEAS LTD
TERRASCIENCES
Trivision Geosystems
US Radar
VIEWLOG SYSTEMS
WALT WHITMAN SOFTWARE
WELL LOGGING LABORATORY
XON Business Services
x-RG Software