ESCO Technologies Inc. produces and supplies engineered products and systems for utility, industrial, aerospace, and commercial applications worldwide. The company operates in three segments: Filtration/Fluid Flow (Filtration), RF Shielding and Test (Test), and Utility Solutions Group (USG). The Filtration segment supplies filter elements, manifolds, assemblies, modules, monitoring equipment, and fluid power support structures; specialized fiberglass reinforced plastic (FRP) gratings and shapes; and, various other products for use in fluid filtration and fluid flow applications. The Test segment designs and installs measurement, communication, and control systems for nuclear power plants and nuclear equipment manufacturers, research centers, and governmental agencies; and provides diagnostic and laboratory services primarily to commercial nuclear power plants. The USG segment designs and manufactures diagnostic testing solutions, precision controlled hardware, and other products for the electric power grid, including nuclear power plants, military, and industrial customers. ESCO Technologies Inc. was founded in 1990 and is headquartered in St. Louis, Missouri.