Cloudera was the first commercial Hadoop company, established in 2009. The company takes a hybrid approach to Hadoop, maintaining an open source core but charging for its proprietary management software, add-ons and services. The company is moving its value proposition up the Hadoop stack with open source modules that make Hadoop accessible to various types of users. http://www.crunchbase.com/company/cloudera

2012 Big Dat Revenue: $56m CEO: Tom Reilly

Big Data Products and Services: CDH Cloudera Standard Cloudera Enterprise Impala Cloudera Search

Key Partners: HP, Informatica, Microstrategy, Oracle Website: http://www.cloudera.com Press releases: http://www.cloudera.com/content/cloudera/en/about/press-center.html

Cloudera launches Sentry, an open source Hadoop "module" that allows for fine-grain security controls. http://blog.cloudera.com/blog/2013/07/with-sentry-cloudera-fills-hadoops-enterprise-security-gap/

Cloudera Search uses Apache Lucene to allow regular business users to interact with data in Hadoop with a Google-like interface. It is free to download. If you want support, you need to buy the RTS (real time search) subscription. http://www.cloudera.com/content/cloudera/en/about/press-center/press-releases/release.html?ReleaseID=1826930

Cloudera hired a new CEO in June 2013. Tom Reilly replaces Mike Olson, who is now Chief Strategy Officer and a member of the board.