openstack
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The Open-Source Company That Quietly Runs Other People's Clouds
It bet on OpenStack, bought Docker Enterprise, and now wants to turn your GPUs into an AI factory - all without locking you in. In August 2026, IREN bought the whole thing for $625 million.
Vault Cloud
Vault Cloud is a 100% Australian-owned and operated hyperscale cloud provider built exclusively for security. Founded in 2012 by Rupert Taylor-Price, it was the first cloud certified by the Australian Signals Directorate for classified government workloads. Running on an OpenStack architecture across sovereign data centres in Sydney and Canberra, Vault serves federal and state government, defence, and critical-infrastructure customers with PROTECTED, SECRET and TOP SECRET-grade cloud services, all staffed by security-cleared personnel under Australian jurisdiction.
Sihua Technologies Inc
Sihua Technologies Inc is a Cupertino, California enterprise-infrastructure software company that helps organizations build private and hybrid clouds inside their own data centers. Its software-defined stack - the ExpressVM virtualization engine, the MegaBric hyper-converged storage suite, and the XOS operating layer - collapses compute, virtualization, and storage onto standard x86 servers, aiming for enterprise-class performance and high availability without the price of proprietary appliances. Founded in 2000 and paired with its Shanghai-based sibling company KXTech, Sihua also ships media-streaming (XView) and AI data-acceleration (NeuADC) products for telecom and enterprise customers.