Aspen Technology, Inc. provides process optimization software solutions to manage and optimize plant and process design, operational performance, and supply chain planning internationally. The company designs and develops a suite of aspenONE software applications for use in the areas of engineering, manufacturing, and supply chain. Its aspenONE engineering software products include Aspen Plus and Aspen HYSYS, which are process modeling software products for conceptual design, optimization, and performance monitoring for the chemical and energy industries; Aspen Exchanger Design and Rating software used to design, simulate, and optimize the performance of heat exchangers; Aspen Economic Evaluation, a software for estimating costs of conceptual process designs; and Aspen Basic Engineering, a workflow tool that allows engineers to build, re-use, and share process models and data. The company's aspenONE manufacturing software products comprise Aspen InfoPlus.21, a data historian software that collects and stores data for analysis and reporting; and Aspen DMCplus, a multi-variable controller software for processing various constraints. Its aspenONE supply chain software products comprise Aspen Collaborative Demand Manager, Aspen Petroleum Scheduler, Aspen PIMS Platinum, Aspen Plant Scheduler, Aspen supply chain planner, Aspen Inventory Management & Operations Scheduling, Aspen Petroleum Supply Chain Planner, and Aspen Fleet Optimizer, which enable process manufacturers to reduce inventory levels, enhance asset efficiency, and optimize supply chain operations. The company also offers software maintenance and support, professional, and training services. It serves customers in the process industries, including 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 Burlington, Massachusetts.