Azul Systems, Inc., a privately held company, develops runtime platforms for executing Java-based applications. Founded in March 2002, Azul Systems is headquartered in Sunnyvale, California, with offices in London, United Kingdom; Saint Petersburg, Russia and Bangalore, India. Azul produces Zing, a Java Virtual Machine and runtime platform for Java applications that is designed to remove memory limitations and scale elastically. The company was formerly known for its Vega Java Compute Appliances, specialized hardware designed to massively scale the usable compute resources available to Java applications. Zing utilizes and improves on the software technology developed for the Vega hardware.
F5 Networks, Inc. is a multinational American company which specializes in Application Delivery Networking technology that optimizes the delivery of network-based applications and the security, performance, availability of servers, data storage devices, and other network resources. F5 is headquartered in Seattle, Washington and has development, manufacturing, and sales/marketing offices worldwide. F5 originally manufactured and sold some of the industry's first load balancing products. In 2010 and 2011, F5 Networks was on Fortune's list of 100 Fastest-Growing Companies worldwide.