jBilling’s first certified European Partner, Skyrack Technology is an IT, communications and consulting business that was built on the success of its ventures in software development, enterprise services, and consulting. They have expertise in managed services, network design, OSS/BSS systems, consumer portals and e-commerce, next generation network services, and carrier scale voice services. With offices in the UK and Germany, they have a deep and wide experience managing development and service delivery in telecoms, service providers and digital e-business.

Sun provides a diversity of software, systems, services, and microelectronics that power everything from consumer electronics, to developer tools and the world's most powerful data centers. Their network computing platforms are used by nearly every sector of society and industry, and power some of the world's best known search, social networking, entertainment, financial services, manufacturing, health care, retail, news, energy and engineering companies - broadened by one of the world's largest portfolio of software and service partners.

Founded in 1993, Red Hat is the leader in enterprise Linux and is the most recognized open source brand in the world. They serve global enterprises with technology and services made possible by the open source model. Solutions include Red Hat Enterprise Linux, JBoss Enterprise middleware, and a broad range of management and services: consulting, 24x7 support, Red Hat Network. Red Hat's global training program operates worldwide and features RHCE, the global standard Linux certification.