Altiscale offers the first cloud service purpose-built to run Apache Hadoop and runs the latest version of Hadoop on custom infrastructure, augmented with Apache Hive, Pig, and Oozie.

Qubole’s Big Data as a Service Solution, Qubole Data Service (QDS), runs on the top performing elastic Hadoop engine on the cloud and includes a library of data connectors.

Rackspaceis the global leader in hybrid cloud and founder of OpenStack, the open-source operating system for the cloud.

Azure is an open and flexible cloud platform that enables you to quickly build, deploy and manage applications across a global network of Microsoft-managed datacenters.

Part of Amazon Web Services, Amazon Elastic MapReduce (Amazon EMR) is a web service that makes it easy to quickly and cost-effectively process vast amounts of data.