Companies providing support for Apache Cassandra are not endorsed by the Apache Software Foundation, although some of these companies employ Committers to the Apache project.
Companies that employ Apache Cassandra Committers:
Acunu are world experts in Apache Cassandra and beyond. Some of the most challenging Cassandra deployments already rely on Acunu's technology, training and support. The Acunu Data Platform supercharges and simplifies Apache Cassandra -- it's business-ready, deploys out-of-the box and offers rock-solid performance and reliability. Get a 90-day free trial and find out more.
Datastax, the commercial leader in Apache Cassandra™ offers products and services that make it easy for customers to build, deploy and operate elastically scalable and cloud-optimized applications and data services. DataStax has over 100 customers, including leaders such as Netflix, Cisco, Rackspace, HP, Constant Contact and more, and spanning verticals including web, financial services, telecommunications, logistics and government.
Other companies:
Impetus provides expertise in Cassandra, Hbase, MongoDB, and Other databases like Riak, Redis, Membase, Tokyocabinet, etc More info about BigData @Impetus
ONZRA has been around for over 10 years and specializes on enterprise grade architecture, development and security consulting services utilizing many large scale database technologies such as Cassandra, Oracle, Alegro Graph, and much more.
Venarc, Southern California's leading Open-source development house. We have expertise in Apache Cassandra™, Spring, and JAVA. We have the experience to guide you in the right direction for your high availability software and hardware needs.
Cubet Technologies have an expert team of engineers in Cassandra, NoSQL, Hbase, MongoDB, Railo, Scala, etc
Sohum Inc We provide onsite, turnkey design, implementation consulting services for bigdata technologies such as hadoop, cassandra. We have developed expertise in transitioning existing and tradtional databases to bigdata technologies. For an initial technical review, contact us at inquiry<at>sohum.biz
Workware Systems Our passion is building and supporting analytic software solutions for Adaptive Case Management (ACM) challenges at law enforcement, intelligence and other Government agencies. Our Cassandra-based platform, WorkwareOne™, allows us to develop highly-scalable solutions with the greatest level of technical and operational excellence. Contact us at info<at>workwaresystems.com
(Other providers are welcome to add themselves to this publicly-editable page.)