Integrated Research Limited is a provider of performance monitoring, diagnostics and management software solutions for business-critical computing environments. The Company's principal activities are the design, development, implementation and sale of systems and applications management computer software for business-critical computing, unified communication (UC) network and payment networks. Its geographical segments include the Americas, which operates from the United States with responsibility for the countries in North, Central and South America; Europe, which operates from the United Kingdom with responsibility for the countries in Europe; Asia Pacific, which operates from the Australia and Singapore with responsibility for the countries in the rest of the world, and Corporate Australia. It is focused on three markets: Infrastructure, which includes users of computing systems; Communications, which includes users of Internet Protocol telephony and UC applications, and Payments.