Aspen Technology, Inc. is a supplier of integrated software and services to the process industries, for which the principal markets consist of: energy, chemicals, pharmaceuticals, and engineering and construction. Additionally, the Company also serves other industries, such as power and utilities, consumer products, metals and mining, pulp and paper and biofuels, which manufacture and produce products from a chemical process. It provides a integrated suite of software applications that utilize empirical models of chemical manufacturing processes to improve plant and process design, economic evaluation, production, production planning and scheduling, supply chain optimization and operational performance. Aspen Technology, Inc. is organized into three operating segments: software licenses, maintenance and training, and professional services. As of October 31, 2009, the Company operated globally through 26 offices in 21 countries.