Lee Products Engineering Services, Inc., (LPESI) is a full service aircraft interiors technical engineering firm. We have 2 FAA Designated Engineering Representatives (DERs) specializing in interior certifications on staff. Our experience ranges from small general aviation aircraft such as the Beechcraft King Air series up through wide-body passenger aircraft such as the Airbus A340. We employ an integrated team approach to solving our customers' engineering problems and technical issues, bringing hundreds of years of industry experience to bear. What sets us apart? We base our business model on strong and effective Program Management based in our core principal that "THE MOST COST EFFECTIVE PROGRAM IS THE ONE DONE RIGHT THE FIRST TIME."