# ESCO Technologies

> ESCO Technologies is a publicly traded industrial technology group that makes aerospace and naval components, electric-grid diagnostic equipment, and RF test and shielding systems. Its subsidiaries include Doble, Megger, ETS-Lindgren, PTI, Crissair, and ESCO Maritime Solutions. The company competes through specialized engineering, test data, and services in markets where equipment performance and reliability matter.

- **Founded:** 1990
- **Headquarters:** St. Louis, United States
- **Founders:** Emerson Electric Co. (Corporate originator; incorporated ESCO in August 1990 and spun it off to shareholders on October 19, 1990)
- **Products:** Doble grid diagnostics, Megger electrical testing and monitoring, ETS-Lindgren RF test and shielding, PTI and Crissair aerospace components, Mayday Manufacturing precision components
- **Notable:** Fiscal 2025 continuing-operations net sales of $1.095 billion, up 19.2 percent from the comparable fiscal 2024 figure., Completed acquisition of Ultra’s Signature Management & Power business on April 25, 2025, renaming it ESCO Maritime Solutions., Completed Megger acquisition on October 1, 2026, expanding utility testing capabilities and international reach.

## Products & services

- **Doble grid diagnostics** — Diagnostic instruments, condition monitoring, software, laboratory testing, consulting, and training for high-voltage power equipment. Includes Morgan Schaffer and Altanova capabilities.
- **Megger electrical testing and monitoring** — Battery, cable, circuit-breaker, relay, transformer, and motor testing, online monitoring, and analytics. Acquired by ESCO on October 1, 2026.
- **ETS-Lindgren RF test and shielding** — Anechoic chambers, RF and magnetic shielding, antennas, absorbers, probes, measurement software, integration, calibration, and testing services.
- **PTI and Crissair aerospace components** — Specialty filtration, hydraulic filter elements, fluid-control devices, and related precision aerospace products.
- **Mayday Manufacturing precision components** — Bushings, pins, sleeves, and machined components for aerospace landing gear, rotor heads, engine mounts, flight controls, and actuation systems.
- **Globe and Westland composites** — Specialized composites and elastomeric products, including naval signature reduction and shock and vibration control.
- **ESCO Maritime Solutions** — Naval magnetic and electric signature management, power management, and low-vibration motor technology for U.S. and U.K. naval markets.
- **NRG Systems renewable-energy measurement** — Measurement and decision-support tools for wind and solar applications.
- **MPE filters** — High-performance electromagnetic protection filters for defense and critical infrastructure applications. Acquired in November 2023.

## Achievements

- Fiscal 2025 continuing-operations net sales of $1.095 billion, up 19.2 percent from the comparable fiscal 2024 figure.
- Completed acquisition of Ultra’s Signature Management & Power business on April 25, 2025, renaming it ESCO Maritime Solutions.
- Completed Megger acquisition on October 1, 2026, expanding utility testing capabilities and international reach.
- ETS-Lindgren reported more than 50,000 global RF-shielded installations in its April 2025 VIAVI announcement.

## Latest updates

- **2026-10** — Completed the acquisition of Megger on October 1. The closing release says fiscal 2027 guidance including Megger will be announced with November fiscal 2026 year-end results.
- **2026-08** — Q3 fiscal 2026 results: Doble sales grew 17 percent year over year, while NRG sales fell 29 percent. NRG orders declined 27 percent, which management linked to expiration of U.S. renewables tax credits.
- **2026-04** — Announced Megger agreement at approximately $2.35 billion, with management targeting approximately $60 million of cost synergies within three years of closing.
- **2025-07** — Completed VACCO divestiture to RBC Bearings on July 18; final fiscal 2025 filing reports approximately $270 million net sale proceeds.

## Links

- Website: https://www.escotechnologies.com/
- LinkedIn: https://www.linkedin.com/company/esco-technologies

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Last updated: 2026-10-22