Aspen Technology, Inc., together with its subsidiaries, provides software and services to the process industries in the United States, Europe, and internationally. It operates through two segments, Subscription and Software, and Services. The company licenses integrated process optimization software solutions and associated support services designed to manage and optimize plant and process design, operational performance, and supply chain planning. Its software suites include aspenONE Engineering, and aspenONE Manufacturing and Supply Chain, which are integrated applications that allow end users to design process manufacturing environments, forecast and simulate potential actions, monitor operational performance, and manage planning and scheduling activities, as well as collaborate across these functions and activities. The company also provides software maintenance and support, professional, and training services. Its customers consist of companies, which are engaged in process industries, such as energy, chemicals, engineering, and construction, as well as consumer packaged goods, power, metals and mining, pulp and paper, pharmaceuticals, and biofuels. Aspen Technology, Inc. was founded in 1981 and is headquartered in Bedford, Massachusetts.