Commercial vendors and services

• Attar Software, knowledge based system development, resource optimization and data mining, U.K.
• Clustan, Cluster analysis software, U.K.
• DTREG: Classification and Regression Trees For Data Mining and Modeling
• Environmental Systems Research Institute (ESRI), Arc/Info and other GIS products, USA
• Exeter Software, publishers of NTSYS
• Integral Solutions Ltd., including machine learning tools, U.K.
• Kovach Computing Services, including shareware ordination and clustering program MVSP, Pentraeth, Wales, U.K.
• Partek Inc, data analysis, modeling, and pattern recognition by neural networks, fuzzy logic, genetic algorithms, and data visualization, St. Charles, Missouri, USA
• MathSoft, Mathcad and S-PLUS, USA
• Salford Systems, The source for CART, MARS, and other advanced data mining tools, USA
• SAS Institute, USA
• SPSS, USA
• Statistical Innovations, USA
• StatSoft, STATISTICA software, USA
• XELOPES Data Mining Library, Germany