Aspen Technology together with its subsidiaries develops and supplies integrated software and services that enable the process industries to design, operate, manage, and optimize their business processes. Its software applications utilize proprietary empirical models of chemical manufacturing processes to enhance plant and process design, economic evaluation, production, production planning and scheduling, supply chain optimization, and operational performance. The company's aspenONE product provides engineering, plant operations, and supply chain management software applications. Its engineering products include Aspen Plus, Aspen HYSYS, Aspen Capital Cost Estimator, HTFS, and Aspen Basic Engineering that help in designing and improving plants and processes, as well as to model and improve the way to develop and deploy manufacturing assets. Aspen Technology, Inc. was founded in 1981 and is headquartered in Burlington, Massachusetts.