Press Release (St. Louis MO),
 May 10, 2011

Leading Regional Environmental Engineering Firm Positions Itself for Growth St. Louis, Mo, May 10, 2011. Professional Environmental Engineers, Inc. (PE), a leading regional environmental engineering firm based in St. Louis, has been acquired by a team led by Carolyn L. Green. Green is a seasoned environmental services executive with over 30 years of environmental, regulatory and energy experience. Her partner, Charles D. Gray, brings 17 years of global operating experience in both supply chain and infrastructure services. The firm will…