Esco Technologies Inc. ESE

What this company does

ESCO Technologies Inc. provides highly engineered components and systems for aviation, Navy, defense and industrial customers, designs and manufactures radio frequency test and measurement products and systems, and provides diagnostic instruments, software and services to industrial power users and the electric utility and renewable energy industries. As of September 30, 2025, it employed 3,425 persons, including 3,359 full-time employees, 28% of whom were located in 16 offices outside the United States. It classifies its business operations into three segments for financial reporting purposes, treating Corporate activities as a separate segment for certain financial reporting purposes. Its A&D segment, which accounted for approximately 44% of total revenue from continuing operations in 2025 and operates nine facilities in the United States, two in the United Kingdom and one in Mexico, designs and manufactures specialty filtration, fluid control and naval products, including hydraulic filter elements, fluid control devices, precision-tolerance machined components, and naval magnetic signature management systems. Its USG segment, which accounted for approximately 35% of total revenue from continuing operations in 2025 and operates eight facilities in the United States, one in Canada and ten outside North America, consists primarily of Doble Engineering Company, Morgan Schaffer and Altanova, together known as Doble, and NRG, providing diagnostic testing and data management solutions that enable electric power grid operators to assess high-voltage, high-current and high-power delivery equipment. Its Test segment, which accounted for approximately 21% of total revenue from continuing operations in 2025 and operates five facilities in the United States and eight outside the United States, consists primarily of ETS-Lindgren, which designs and manufactures products and systems to measure and control RF energy for research and development, regulatory compliance, and medical and security applications.

Written from the business description in ESCO TECHNOLOGIES INC's annual report to the U.S. Securities and Exchange Commission, filed 1 December 2025. Every sentence was checked against that document before publication.