Health score, competitive moat, risk signals, and key metrics at a glance.
ESCO Technologies Inc. provides engineered components and systems for aviation, navy, defense, and industrial customers. The Aerospace & Defense segment designs and manufactures specialty filtration products, including hydraulic filter elements and fluid control devices used in commercial and defense aerospace applications; miniature electro-explosive devices for military aircraft ejection seats and missile arming devices; manufactures and sells mission-critical bushings, pins, sleeves, and precision-tolerance machined components for landing gear, rotor heads, engine mounts, flight controls, and actuation systems for the aerospace and defense industries; designs, develops and manufactures elastomeric-based signature reduction solutions for U.S. naval vessels; and provides mission-critical signature and power management solutions. The Utility Solutions Group segment develops, manufactures, and delivers diagnostic testing solutions; and designs and manufactures decision support tools for the renewable energy industry, primarily wind and solar. The RF Test & Measurement segment designs and manufactures products and systems to measure and control RF 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. 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.
Competitive analysis based on 81 quarters of fundamental data
Operating margins are stable at ~15.6%, suggesting durable pricing power and cost discipline.
ROE is positive at ~12.7% on average, adequate but below the threshold typically associated with wide moats.
Data-driven red flags and warnings across 81 quarters
Margins are stable or improving at ~15.5% — no sign of cost or pricing stress.
FCF/Net Income has dropped below 0.7x in 3 quarters — monitor for earnings quality deterioration.
Debt-to-equity has risen 48.1% recently — increasing financial risk even if the current ratio is manageable.
Revenue is stable or growing over recent quarters — demand appears durable.
Free cash flow is consistently positive — the business self-funds without external capital reliance.
Share count is stable — no significant dilution or buyback activity.
as of March 2026
Revenue, EBITDA, operating income, net income, EPS, and shares
Gross, EBITDA, operating, and net margin trends
P/E, P/S, P/B, EV/EBITDA, FCF yield, and earnings yield
Total assets, cash, debt, book value, and leverage
Operating cash flow, free cash flow, FCF margin, and earnings quality
Free cash flow is consistently positive and growing — a hallmark of a capital-light business that can self-fund growth.
TTM revenue has grown consistently (6 of 7 quarters up), with ~28.2% growth over the period. Strong demand durability.
