BURLINGTON, Mass.--(BUSINESS WIRE)--Aspen Technology, Inc. (OTC: AZPN.PK), a leading provider of software and services to the process industries, today announced it has won Chemical Processing Magazine’s 2009 Readers’ Choice Award for the ‘Process Simulation Software’ category. The award marks the sixth consecutive year Chemical Processing readers chose AspenTech, dating back to the 2004 inception of the Readers’ Choice Awards. In the ‘Process Simulation Softw
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