Based in Parkersburg, W.Va., Pickering Associates is an architectural and engineering firm. The company has been operational since 1988, offering a wide range of services, such as project management, construction administration, mechanical engineering, process safety management, process debottlenecking, environmental permit assistance, electrical engineering, civil/structural engineering, architecture and many more. Some clients of Pickering Associates are Drennen Science Center, Marietta Memorial Hospital, PARS Brain and Spine Institute, W.H. Sammis Plant, Kraton Polymers and Mill Street Village.