ESCO Technologies Inc. is organized based on the products and services it offers. Under this organizational structure, the Company has three reporting segments: Filtration or Fluid Flow (Filtration), RF Shielding and Test (Test) and Utility Solutions Group (USG). The Filtration segment�s operations consist of: PTI Technologies Inc., VACCO Industries, Crissair, Inc. and Thermoform Engineered Quality LLC. Test segment operations consist of ETS-Lindgren Inc. (ETS-Lindgren). ETS-Lindgren is an industry leader in providing its customers with the ability to identify measure and contain magnetic, electromagnetic and acoustic energy. The Company�s USG segment�s operations consist of Doble Engineering Company (Doble). Doble provides intelligent diagnostic test solutions for the electric power delivery industry and is a supplier of power factor and partial discharge testing instruments used to assess the integrity of high-voltage power delivery equipment.