Landmark Graphics - Supplier of geoscience and engineering software, systems and service used worldwide to find, produce and manage oil and gas reservoirs more effectively.

IHS Energy Group - collects, standardizes, manages and delivers information worldwide to the energy industry.

POSC - not-for-profit membership organization that supplies standard interfaces for technical Exploration & Production software.

Maurer Engineering - provides petroleum well engineering training courses and software programs for reservoir, drilling, completions, and coiled tubing professionals as well as for underbalanced operations.

A2D Technologies - specializes in customized conversion and data management for domestic/international well logs and maps.

PPDM - Public Petroleum Data Model Association - Operational business driven data model technology for upstream petroleum, service, data and software companies and regulatory agencies.

Paradigm Geophysical - provider of information technology and services to the oil and gas exploration and production industry

Dynamic Graphics, Inc. - offering EarthVision®, applications for geospatial visualization and analysis in the petroleum, environmental and earth-related sciences.

Merak Projects - developer of oil & gas software for the petroleum industry.

Seismic Micro-Technology, Inc. - supplier of PC-based interpretation software for the geoscience and petroleum industry. Delivers an integrated package with seismic, geological, visualization, and attribute interpretation.

Encom Technology - providing geophysical and geological software and services for the mining and petroleum exploration industries. Encom Technology - providing geophysical and geological software and services for the mining and petroleum exploration industries.

Petris Technology, Inc. - offers software for well log digitizing, brokering of well data, and well information management.

Linnhoff March Home Site in the UK - pinch technology specialists.

Quorum Business Solutions - designs, develops, implements, and supports oil and natural gas management software applications.

AZTECH Software, Inc. - developers of integrated accounting software for petroleum and convience store operations.

Computer Modelling Group (CMG) - oil and gas reservoir simulation and engineering. training and education on simulators, technical support, and professional consulting services for optimizing petroleum production.

Data Management Solutions - developers of GasPro, a real-time trading, transportation, risk management, and accounting software package for the natural gas industry.

Platte River Associates, Inc. - basin modelling software and services including digital public land survey data

geoLOGIC systems ltd. - supplies computerized data management solutions to the oil & gas industry. Products include geoSCOUT, an integrated well information and mapping system.

Neuralog, Inc. - specializes in automated scanning and digitizing of paper and raster data, multi-well raster-vector cross sections, and data loading into industry standard applications.

Oilware, Inc. - provides well log tape and file data conversion software and data conversion services.

Theta Enterprises, Inc - develops expert rod pumping optimization, design, and analysis software for the artificial lift industry. also offers rod pump optimization schools and in-house training.

Production Access - provides integrated drilling, wellwork, and production management software for oil and gas production operations.

Petroway, Inc - company specializing in engineering software and books for the international petroleum industry. Information and demo versions of products available here.

Applied Terravision - designs and implements comprehensive corporate information solutions for oil and gas companies