Esco Technologies 

ESCO Technologies Inc. provides engineered filtration and fluid control products, and integrated propulsion systems. Its Aerospace & Defense segment provides filtration products, such as hydraulic filter elements and fluid control devices used in commercial aerospace; filter mechanisms used in micro-propulsion devices for satellites; custom designed filters for manned aircraft and submarines; elastomeric-based signature reduction solutions for U.S. naval vessels; and mission-critical bushings, pins, sleeves, and precision-tolerance machined components for landing gear, rotor heads, engine mounts, flight controls, and actuation systems for aerospace and defense industries. The company's Utility Solutions Group segment offers diagnostic testing solutions that enable electric power grid operators to assess the integrity of high-voltage power delivery equipment; and decision support tools for the renewable energy industry. Its RF Test & Measurement segment provides products and systems to measure and control RF and acoustic energy for research and development, regulatory compliance, and medical and security applications; and turnkey systems, such as RF test facilities and measurement systems, acoustic test enclosures, RF and magnetically shielded rooms, and secure communication facilities. This segment also supplies RF absorptive materials, filters, antennas, field probes, test cells, proprietary measurement software, and other test accessories; and offers calibration and product tests, feedthrough capacitors, high current power, telephone, data and control line filters, and high-altitude electromagnetic protection filters. The company also offers human machine interface, positioning and tracking, communications and networking, and electronic equipment and instruments. It distributes its products through distributors, sales representatives, direct sales teams, and in-house sales personnel. The company was incorporated in 1990 and is based in Saint Louis, Missouri.