ES3 is a socially responsible, high-end engineering firm specializing in: Engineering and Design of Aircraft Components, Systems, and Subsystems; Advanced Material Coatings for Aerospace Applications; Specialized Metallurgical, Chemical, Hydraulic, and Mechanical Custom Testing; Computational Methods for Structural Dynamic Analysis; and Development of Environmentally Preferred Material Processes.   ES3 also offers highly skilled maintenance, repair and overhaul services, including: Avionics, Electrical, Engine, Landing Gear, Flight Controls, Sheet Metal and Aircraft (A&P) mechanics; Aircraft field level support teams; Surface Preparation and Coatings Restoration; NDT services; CNC and manual machining; General sheet metal fabrication; Welding