Cassandra Greene

PES Associates

PES Associates is a full-service environmental, engineering and consulting company committed to innovative, high-quality solutions. PES Associates provides environmental consulting, scientific and engineering services to clients nationwide. We are accomplished engineers, scientists, planners, estimators, technicians and business consultants. Faced with complex environmental and engineering projects, clients look to PES for exceptional service. We have earned our clients' respect as efficient problem solvers as well as flexible business partners with valuable expertise. For years, we have served clients with our environmental expertise and have become a recognized leader for environmental and engineering projects.