ESCO Technologies’ business model is well-diversified and leverages defensible positions in regulated, technical, and compliance-driven markets. The combination of record backlog, recurring utility service revenues, and strong aerospace/defense demand supports both growth and margin durability. Whi…
ESCO Technologies (ESE) Q3 2026: Backlog Hits $1.54B as Book-to-Bill Surges to 1.21
ESCO Technologies delivered a record backlog and double-digit earnings growth, fueled by robust demand in aerospace, utilities, and testing. Margin expansion and disciplined execution continue across segments, while the Megger acquisition integration is on track. Investors should monitor the sustainability of defense and utility demand as ESCO positions for a transformative close to fiscal 2026.
Summary
- Record Backlog Expansion: Order strength across all segments drove backlog to new highs, signaling durable demand visibility.
- Margin Leverage Materializes: Operating system rollout and segment mix supported EBIT margin gains despite pockets of cost pressure.
- Megger Integration Looms: Advanced planning for Megger acquisition sets stage for scale and synergy in utility solutions.
Business Overview
ESCO Technologies is a diversified industrial and technology company serving three primary segments: Aerospace & Defense (A&D), Utility Solutions Group (USG), and Test. The company generates revenue from engineered products and systems for OEMs, utilities, and industrial customers, with a growing emphasis on solutions for grid modernization, electromagnetic shielding, and defense programs. Major business lines include aircraft components, submarine systems, utility test instrumentation (Doble), and electromagnetic compatibility (EMC) testing solutions.
Performance Analysis
ESCO posted a strong Q3, with consolidated sales growth of 14%, including 8% organic growth and incremental contributions from the maritime acquisition. All three segments posted book-to-bill ratios above 1.0, culminating in a record $1.54 billion backlog. Adjusted EBIT margins climbed 90 basis points to 22%, while adjusted EPS grew 37.5% year-over-year, demonstrating both volume and pricing leverage.
Aerospace & Defense led with 23% sales growth (9% organic), supported by commercial and defense aerospace, as well as Navy programs. EBIT margins in A&D rose to 30%, up 120 basis points, reflecting robust execution and favorable mix. In Utility Solutions, Doble delivered double-digit revenue and order growth, offsetting softness at NRG, where renewables exposure continued to weigh on segment margins. The Test segment saw a 42% surge in orders, driven by industrial shielding and data center demand, while margins improved modestly despite inflationary headwinds.
- Backlog Visibility Strengthens: Broad-based order momentum across core and adjacent markets underpins multi-year growth runway.
- Segment Divergence Emerges: Doble and A&D outperform, while NRG renewables remains a drag on Utility Solutions Group margins.
- Operating Cash Flow Accelerates: Cash generation more than doubled year-to-date, aided by advance Navy contract payments.
Overall, ESCO’s growth trajectory remains intact, but segment-level volatility and integration execution will be key as the company approaches the Megger deal close.
Executive Commentary
"Aerospace, utility, and test orders were all strong, driving a consolidated book-to-bill of 1.21. This continuing strength lifted backlog to record levels across A&D, test, double, and at the consolidated level. This is all clear evidence of growing end market demand and the strength of our competitive position."
Bryan Sayler, President and Chief Executive Officer
"ESCO had another strong quarter of top-line growth translating to even better growth in adjusted earnings and operating cash flow. All three segments delivered book-to-bill ratios over 100%, leading to a record backlog of $1.54 billion."
Chris Tucker, Senior Vice President and Chief Financial Officer
Strategic Positioning
1. Aerospace & Defense: Multi-Year Demand Tailwind
Commercial and defense aerospace are supported by a global aircraft backlog of roughly 18,000 aircraft, plus unmet demand for another 5,000 units. ESCO’s submarine content is further de-risked by the Navy’s record shipbuilding contracts, locking in long-term visibility. The mix of programs of record and aftermarket activity, especially in submarine systems, positions A&D for sustained growth and margin leverage.
2. Utility Solutions: Grid Modernization and Doble’s Momentum
Grid expansion, electrification, and reliability mandates are driving strong demand for Doble’s condition monitoring and testing solutions. Orders at Doble surged 30%, led by a 67% jump in condition monitoring, which now represents about 20% of the business. However, NRG’s renewables exposure remains a headwind, with sequential improvement but continued YoY declines expected through Q4.
3. Test Segment: Data Center and Industrial Shielding Upside
Test orders grew 42%, fueled by industrial shielding projects and EMI filters for critical infrastructure and data centers. ESCO is gaining traction among data center customers requiring electromagnetic pulse (EMP) protection, particularly where government or utility data is housed. This niche, compliance-driven demand supports incremental margin expansion and market share gains.
4. Megger Acquisition: Scale and Synergy in Utilities
Integration planning for the Megger acquisition is proceeding on track, with closure targeted for Q1 fiscal 2027. The deal will significantly expand ESCO’s utility solutions scale, reinforce its global reach, and unlock cross-selling and cost synergies. Early collaboration between teams aims to ensure a seamless transition and expedited value capture.
5. ESCO Operating System: Continuous Improvement Foundation
The company’s enterprise-wide continuous improvement initiative is already yielding consistency in execution and operational discipline. This “ESCO operating system” is expected to drive sustainable value creation and margin enhancement across the portfolio over time.
Key Considerations
ESCO’s Q3 performance reflects robust execution against secular demand drivers, but investors should weigh segment-level dynamics and the integration path ahead.
Key Considerations:
- Backlog Anchors Future Growth: Record $1.54B backlog and book-to-bill above 1.2 provide high visibility into next year’s revenue streams.
- Utility Segment Bifurcation: Doble’s growth offsets NRG’s renewables softness, but margin drag remains until renewables stabilize.
- Test Segment Data Center Penetration: Data center and critical infrastructure demand are expanding, but addressable market remains niche and compliance-driven.
- Megger Integration Execution: Synergy realization and cost discipline will be critical as the Megger deal closes and debt leverage rises.
- Operating System Rollout: Early wins from ESCO’s process discipline are visible, but full impact will depend on adoption across acquired businesses.
Risks
Renewables market softness at NRG continues to pressure Utility Solutions margins, with at least one more quarter of YoY declines expected. Integration risks loom as the Megger acquisition will materially increase scale and leverage, requiring disciplined execution to realize planned synergies. Defense program timing and supply chain disruptions could also impact backlog conversion. Investors should monitor the sustainability of recent order momentum and the potential for inflationary or regulatory cost pressures to re-emerge in key segments.
Forward Outlook
For Q4 2026, ESCO guided to:
- Continued high single-digit to low double-digit organic revenue growth in A&D and Test
- Utility Solutions Group growth of 4% to 6%, with Doble tracking low double-digit increases
For full-year 2026, management raised guidance:
- Adjusted EPS of $8.30 to $8.40, up 38% to 39% over 2025
Management highlighted several factors that will shape results:
- Megger acquisition expected to close in Q1 fiscal 2027, with integration plans to be communicated at that time
- Cash flow conversion will remain above 100% in 2026 due to timing of Navy contract payments, normalizing thereafter
Takeaways
ESCO’s record backlog and margin expansion underscore strong execution and end-market positioning.
- Backlog and Book-to-Bill Signal Multi-Year Visibility: High-quality orders across A&D, utilities, and test provide durable growth and margin leverage.
- Segment Volatility Remains: Doble and Test outperform, but NRG’s renewables drag and integration risk at Megger require ongoing monitoring.
- Megger Integration and Operating System Execution Are Next Catalysts: Investors should watch for synergy capture, process discipline, and cross-segment margin improvement as ESCO transitions into FY27.
Conclusion
ESCO Technologies delivered a quarter marked by robust demand, margin gains, and record backlog, setting up for a transformative close to the fiscal year. The company’s ability to integrate Megger and sustain operational discipline will be decisive for its long-term growth and value creation trajectory.
Industry Read-Through
ESCO’s results reinforce the strength of secular trends in aerospace, defense, and grid modernization. The record aircraft backlog and defense contract awards point to multi-year tailwinds for the aerospace supply chain, while utility investment in grid reliability and electrification continues to drive demand for test and monitoring solutions. The softness in renewables highlights ongoing volatility in that sub-sector, a caution flag for suppliers exposed to wind and solar CapEx cycles. For industrial tech peers, ESCO’s margin expansion and cash conversion demonstrate the value of process discipline and strategic portfolio management amid sector consolidation and shifting end-market dynamics.