Verity
- Develops categorization and taxonomy software for enterprise and online content.
- http://www.verity.com/

Entriva
- Provides a suite of information categorization products and solutions providing infrastructure to index, structure, organize, and retrieve unstructured information. Includes news, events and a demo.
- http://www.entrieva.com/

Insiders
- Specializes in the development of solutions for automated accessing and processing. Features company information, products and career information. [German, English]
- http://www.insiders.de/

Factorfinder
- Assigns relevance-values to categorical, non-numeric factors and identifies preferable strategic alternatives among a multitude of equally acceptable variants. Features a research forum and contact information. Bilingual [English and German].
- http://www.factorfinder.com/

GammaSite
- Develops automatic categorization and tagging software based on statistical machine learning.
- http://www.gammasite.com/

Axiope Scientific Data Management Project
- Provides software for describing, archiving, sharing and publishing scientific data. Offers description, glossary, FAQ, and contact details. Hosted by the School of Informatics at the University of Edinburgh.
- http://www.axiope.org/

Inxight Software
- Develops software for analyzing, organizing, categorizing, and navigating unstructured information in multiple languages.
- http://www.inxight.com/

Bright Planet
- Develops software and custom content solutions for harvesting, classifying, and searching deep Web content.
- http://brightplanet.com/

Autonomy Corporation
- Develops software which enables the automated personalization and categorization of text sources.
- http://www.autonomy.com

Applied Semantics
- Developer of categorization, summarization, and metadata creation tools based on CIRCA technology, an ontology-based approach which organizes knowledge from unstructured content.
- http://www.appliedsemantics.com/

Wincite Systems
- Developers of database applications that support the capture, organization, and distribution of business intelligence.
- http://www.wincite.com/

Stratify
- Developers of software and tools for automatically organizing unstructured data and information into logical hierarchies.
- http://www.stratify.com/

Rubryx
- Shareware for textual pattern classification of Web sites to generate catalogs, electronic libraries, and other reference systems. Offers a demonstration version, help, and contact information for the author.
- http://rubryx.narod.ru/index.htm