ESCO Technologies is a manufacturer of engineered filtration and fluid control products and integrated propulsion systems. It operates in three segments: Aerospace and Defense, Utility Solutions, and Radio Frequency (RF) Shielding and Test. The Aerospace and Defense segment provides filter elements and mechanisms, fluid control devices, quiet valves, manifolds, shock and vibration dampening, thermal insulation and systems, and other products. The Utility Solutions segment offers diagnostic test instruments, condition monitoring systems, consulting, and testing services. The RF Shielding and Test segment specializes in isolated environments and turnkey systems, including RF test facilities, acoustic test enclosures, RF and magnetically shielded rooms, secure communication facilities, RF measurement systems, and broadcast and recording studios. The company caters to aerospace, acoustics, healthcare, safety, electronics, wireless communications, automotive, and defense markets.