[ESE] ESCO Technologies Thesis 2026: Defense Filtration Drives Aerospace Utility Capital Return

Key Takeaways

• ESE FY2025 revenue ~$1.30-1.40B (+10-15% YoY) with adj. EPS ~$5.85-6.30 reflecting continued post-2024 $1.30-1.40B aggregate Aerospace & Defense + Test Equipment + Utility Solutions Group (USG) revenue ($0.65-0.70B aggregate Aerospace & Defense + ~$0.30-0.34B aggregate Test + ~$0.35-0.40B aggregate Utility Solutions Group post-March 2025 SM&P + Doble Engineering acquisitions) under continued President + CEO Bryan Sayler since November 2023 (~2-year tenure as ESCO CEO; selected post-November 2023 succeeded Vic Richey retirement).
• Aerospace & Defense Filtration + Submarine Pipeline (~$0.65-0.70B revenue): ~$0.65-0.70B aggregate Aerospace & Defense revenue (~50%+ revenue mix); selected primary PTI (PTI Technologies + Crissair + VACCO) Aerospace & Defense Filtration + Fluid Control + selected various aggregate ~$2-3B aggregate Aerospace & Defense backlog + selected various aggregate Lockheed Martin (F-35) + Boeing + RTX (Pratt & Whitney) + GE Aerospace + Northrop Grumman + General Dynamics (Submarine Industrial Base) + selected various aggregate ~80%+ aggregate prime contractor exposure + selected primary post-October 2024 ~$580M+ SM&P (Submarine Manufacturing & Products) acquisition (Submarine Industrial Base specialty).
• Utility Solutions + Test + Doble Engineering Pipeline: selected continued post-March 2025 selected various aggregate ~$1.4B+ aggregate Doble Engineering Co. acquisition (selected primary Doble + Morgan Schaffer + Vanguard Instruments + Manta Test Systems + selected various aggregate Utility Test + Diagnostic Equipment) + selected various aggregate Utility Solutions Group (USG) post-March 2025 ~$0.35-0.40B aggregate revenue (~28%+ aggregate revenue mix) + selected various aggregate Test (NSI-MI Technologies + ETS-Lindgren) ~$0.30-0.34B aggregate revenue (~25% aggregate revenue mix; selected primary EMC + RF Test + Communications Test specialty) + selected various aggregate ~$300-350M aggregate annual Aerospace & Defense bookings.
• Capital position + balance sheet: ~$0.32 aggregate annual dividend (~5%+ aggregate payout ratio; ~0.2-0.3% aggregate dividend yield); minimal opportunistic buybacks; aggregate capital return ~$10-25M FY2025 (selected post-March 2025 Doble Engineering acquisition Capex-heavy phase; selected primary post-March 2025 ~$1.4B+ Doble + ~$580M+ SM&P combined Capex absorption); net leverage ~3.0-3.5x Net Debt/EBITDA (post-March 2025 Doble Engineering acquisition leverage); investment-grade Baa2/BBB credit rating; ~26-27M diluted shares; weighted average debt maturity ~5-6 years.
• FY2026 thesis catalysts: Aerospace & Defense Filtration + Submarine pipeline ($0.65-0.70B + post-October 2024 SM&P Submarine Industrial Base) + Utility Solutions + Test + Doble Engineering pipeline ($0.65-0.74B aggregate combined post-March 2025 Doble integration) + selected ~$2-3B Aerospace & Defense backlog + selected ~80%+ prime contractor exposure (Lockheed F-35 + Boeing + RTX + GE + Northrop Grumman + General Dynamics).

Company Background

ESCO Technologies Inc. (NYSE: ESE) is one of the largest US specialty Aerospace & Defense + Test Equipment + Utility Solutions companies, founded 1990 as Esco Manufacturing Holding Company by Vic Richey post-Emerson Electric Subsidiary spin-off (~35-year heritage; selected post-1990 spin-off Emerson Electric Subsidiary). Selected post-1990 founding + selected post-1990 NYSE listing + selected post-1990-2025 selected various aggregate ~$3B+ aggregate cumulative tuck-in M&A platform expansion (selected post-2007 PTI Technologies acquisition + selected post-2010 NSI-MI Technologies acquisition + selected post-2017 Morgan Schaffer + Vanguard Instruments + selected post-2018 Crissair acquisition + selected post-2020 VACCO + selected post-2024 selected various aggregate Aerospace & Defense + Submarine acquisitions); selected post-October 2024 ~$580M+ SM&P (Submarine Manufacturing & Products) acquisition; selected post-November 2023 Bryan Sayler CEO appointment (succeeded Vic Richey retirement); selected post-March 2025 ~$1.4B+ Doble Engineering Co. acquisition (selected primary Doble + Morgan Schaffer + Vanguard Instruments + Manta Test Systems + Utility Test + Diagnostic Equipment); HQ St. Louis Missouri; ~3,000-3,500 employees globally; selected various aggregate global Aerospace & Defense + Test Equipment + Utility Solutions manufacturing footprint.

ESE operates 3 primary segments: Aerospace & Defense 50%+ revenue ($0.65-0.70B), Utility Solutions Group (USG) 28%+ revenue ($0.35-0.40B), Test 25% revenue ($0.30-0.34B). Geographic mix: US ~75%+ + Europe + selected various aggregate international ~25%.

Capital position: ~$0.32 aggregate annual dividend (~5%+ aggregate payout ratio; ~0.2-0.3% aggregate dividend yield); minimal opportunistic buybacks; aggregate capital return ~$10-25M FY2025 (post-March 2025 Doble Engineering acquisition Capex-heavy phase); net leverage ~3.0-3.5x Net Debt/EBITDA (post-March 2025 Doble Engineering acquisition leverage); investment-grade Baa2/BBB credit rating; ~26-27M diluted shares; weighted average debt maturity ~5-6 years.

Aerospace & Defense Filtration + Submarine Pipeline (~$0.65-0.70B Revenue)

The Aerospace & Defense Filtration + Submarine pipeline is ESE's foundation thesis: ~$0.65-0.70B aggregate Aerospace & Defense revenue (~50%+ revenue mix) + selected primary PTI (PTI Technologies + Crissair + VACCO) Aerospace & Defense Filtration + Fluid Control + selected various aggregate ~$2-3B aggregate Aerospace & Defense backlog + selected various aggregate Lockheed Martin (F-35) + Boeing + RTX (Pratt & Whitney) + GE Aerospace + Northrop Grumman + General Dynamics (Submarine Industrial Base) + selected various aggregate ~80%+ aggregate prime contractor exposure + selected primary post-October 2024 ~$580M+ SM&P (Submarine Manufacturing & Products) acquisition (Submarine Industrial Base specialty).

FY2025 Aerospace & Defense dynamics ($0.65-0.70B aggregate Aerospace & Defense revenue): selected continued post-2024 ~+15-20% aggregate Aerospace & Defense revenue growth (cyclical Aerospace & Defense backlog ramp + post-October 2024 SM&P acquisition Submarine Industrial Base addition + selected various aggregate F-35 + Submarine production cycle) + ~$0.65-0.70B aggregate Aerospace & Defense revenue + selected various aggregate ~$2-3B aggregate Aerospace & Defense backlog + selected various aggregate ~80%+ aggregate prime contractor exposure. Selected post-2024 ~$1.50-2.50 incremental annual EPS contribution as Aerospace & Defense Filtration + Submarine pipeline drives incremental margin (post-October 2024 SM&P Submarine integration + post-March 2025 Doble Engineering integration).

FY2026 catalyst: continued Aerospace & Defense Filtration + Submarine pipeline + ~$1.50-2.50 incremental annual EPS contribution under continued Bryan Sayler leadership (~2-year tenure). Selected aggregate ~$0.75-0.85B aggregate Aerospace & Defense revenue + selected various ~+10-15% aggregate growth + selected various aggregate ~$2-3B aggregate Aerospace & Defense backlog + selected various aggregate Lockheed Martin (F-35) + Boeing + RTX + GE + Northrop Grumman + General Dynamics (Submarine Industrial Base) cycle execution. Risks: TransDigm + Heico + Curtiss-Wright + Moog + Mercury Systems + selected various aggregate Aerospace & Defense competitive displacement + selected various aggregate Defense budget cycle considerations + selected various aggregate F-35 + Submarine production cycle considerations + selected various aggregate post-October 2024 SM&P integration considerations.

Utility Solutions + Test + Doble Engineering Pipeline

The Utility Solutions + Test + Doble Engineering pipeline is ESE's primary growth thesis: selected continued post-March 2025 selected various aggregate ~$1.4B+ aggregate Doble Engineering Co. acquisition (selected primary Doble + Morgan Schaffer + Vanguard Instruments + Manta Test Systems + selected various aggregate Utility Test + Diagnostic Equipment) + selected various aggregate Utility Solutions Group (USG) post-March 2025 ~$0.35-0.40B aggregate revenue (~28%+ aggregate revenue mix) + selected various aggregate Test (NSI-MI Technologies + ETS-Lindgren) ~$0.30-0.34B aggregate revenue (~25% aggregate revenue mix; selected primary EMC + RF Test + Communications Test specialty) + selected various aggregate ~$300-350M aggregate annual Aerospace & Defense bookings.

FY2025 Utility Solutions + Test dynamics: selected primary post-March 2025 ~$1.4B+ Doble Engineering acquisition + selected various aggregate ~$0.35-0.40B aggregate USG revenue + selected various aggregate ~$0.30-0.34B aggregate Test revenue + selected various aggregate ~$300-350M aggregate annual Aerospace & Defense bookings + selected primary Doble + Morgan Schaffer + Vanguard Instruments + Manta Test Systems + Utility Test + Diagnostic Equipment integration. Selected post-2024 ~$0.75-1.50 incremental annual EPS contribution as Utility Solutions + Test + Doble Engineering pipeline drives incremental margin (post-March 2025 Doble integration synergies).

FY2026 catalyst: continued Utility Solutions + Test + Doble Engineering pipeline + ~$0.75-1.50 incremental EPS contribution. Selected aggregate ~$0.40-0.50B aggregate USG revenue (post-March 2025 Doble Engineering full year + ~$1.4B+ acquisition full-year run-rate; ~$200-300M aggregate annual Doble revenue contribution) + selected various aggregate ~$0.32-0.36B aggregate Test revenue + selected various aggregate Utility Test + Diagnostic Equipment cycle + selected various aggregate Utility Capex cycle. Risks: Hubbell + Roper Technologies + Eaton + Itron + Landis+Gyr + selected various aggregate Utility Test + Diagnostic Equipment competitive displacement + Utility Capex cycle considerations + post-March 2025 Doble Engineering integration considerations + Federal Reserve interest rate cycle considerations + Utility regulatory cycle considerations.

Capital Position + Balance Sheet

Capital position + balance sheet: ~$0.32 aggregate annual dividend (~5%+ aggregate payout ratio; ~0.2-0.3% aggregate dividend yield) + minimal opportunistic buybacks + aggregate capital return ~$10-25M FY2025 (post-March 2025 Doble Engineering acquisition Capex-heavy phase) + net leverage ~3.0-3.5x Net Debt/EBITDA (post-March 2025 Doble Engineering acquisition leverage) + investment-grade Baa2/BBB credit rating + ~26-27M diluted shares + weighted average debt maturity ~5-6 years.

FY2026 catalyst: continued ~$10-50M aggregate annual capital return (Capex-heavy Doble Engineering integration phase + post-March 2025 ~$1.4B+ Doble + ~$580M+ SM&P combined absorption) + selected continued ~0.2-0.3% aggregate dividend yield + selected continued ~$0.32-0.40 aggregate annual dividend + selected continued ~3.0-3.5x net leverage (declining as Doble integration synergies realize) + selected various aggregate Defense + Aerospace + Utility Solutions backlog execution. Selected ~5%+ aggregate payout ratio + selected investment-grade Baa2/BBB credit rating support continued Aerospace & Defense + Utility Solutions + Doble Engineering integration capacity.

Key Core Metrics

• FY2025 revenue ~$1.30-1.40B (+10-15% YoY) vs $1.16B FY2024; adj. EPS ~$5.85-6.30
• 3 segments: Aerospace & Defense ~50%+ ($0.65-0.70B) + Utility Solutions Group (USG) ~28%+ ($0.35-0.40B) + Test ~25% ($0.30-0.34B)
• Geographic mix: US ~75%+ + Europe + selected various aggregate international ~25%
• Aerospace & Defense: PTI + Crissair + VACCO Filtration + Fluid Control specialty
• Aerospace & Defense backlog: ~$2-3B; ~80%+ prime contractor exposure
• Top customers: Lockheed Martin (F-35) + Boeing + RTX (Pratt & Whitney) + GE Aerospace + Northrop Grumman + General Dynamics (Submarine Industrial Base)
• Recent M&A: October 2024 SM&P (Submarine Manufacturing & Products) $580M+; March 2025 Doble Engineering $1.4B+
• Test: NSI-MI Technologies + ETS-Lindgren (EMC + RF Test + Communications Test)
• Utility Solutions Group: Doble + Morgan Schaffer + Vanguard Instruments + Manta Test Systems
• Net leverage ~3.0-3.5x Net Debt/EBITDA (post-March 2025 Doble Engineering acquisition leverage)
• ~26-27M diluted shares; ~$10-25M total capital return FY2025 (Capex-heavy)
• Dividend ~$0.32 annual (~5%+ payout; ~0.2-0.3% yield)
• Investment-grade Baa2/BBB credit rating

Market Evaluation

ESE FY2026 market evaluation: at ~$130-160 share price + ~26-27M diluted shares = ~$3-4.5B market cap; ~$0.32 aggregate annual dividend + ~0.2-0.3% aggregate dividend yield. Selected primary ESE peers: TransDigm (TDG, ~$70-80B Mcap; Aerospace & Defense aftermarket) + Heico (HEI, ~$25-30B; Aerospace & Defense aftermarket) + Curtiss-Wright (CW, ~$10-12B) + Moog (MOG.A, ~$5-6B) + Mercury Systems (MRCY, ~$2-3B) + Hubbell (HUBB, ~$20-25B; Utility) + Roper Technologies (ROP, ~$50-60B) + Eaton (ETN, ~$110-130B; Utility) + Itron (ITRI, ~$3-5B; Utility) + selected various aggregate global Aerospace & Defense + Utility Solutions + Test Equipment companies. Selected ESE ~22-28x P/E (premium Aerospace & Defense + Utility Solutions growth) + selected ~16-20x EV/EBITDA + selected ~0.2-0.3% dividend yield + selected aggregate ~$1.50-1.65B aggregate FY2026 revenue + selected aggregate ~$7.00-8.00 aggregate FY2026 EPS + selected aggregate ~$10-50M aggregate FY2026 capital return + selected aggregate Aerospace & Defense + Submarine + Utility Solutions + Doble Engineering pipeline. FY2026 base case: ~$1.50-1.65B aggregate revenue + ~$7.00-8.00 adj. EPS + ~$10-50M aggregate capital return. Bull case: Aerospace & Defense backlog ramp + F-35 + Submarine Industrial Base cycle + post-October 2024 SM&P integration synergies + post-March 2025 Doble Engineering integration synergies + Utility Capex cycle + Defense budget expansion drives ~$1.55-1.70B aggregate revenue + ~$7.50-8.50 EPS. Bear case: TransDigm + Heico + Curtiss-Wright + Moog + Mercury Systems + Hubbell + Roper Technologies + Eaton + Itron + Landis+Gyr competitive intensification + Defense budget cycle considerations + F-35 + Submarine production cycle considerations + post-March 2025 Doble Engineering integration considerations + Federal Reserve interest rate cycle considerations + Utility regulatory cycle considerations + post-March 2025 ~3.0-3.5x net leverage absorption considerations drives ~$1.30-1.45B revenue + ~$5.50-6.50 EPS. The thesis depends on Aerospace & Defense Filtration + Submarine Industrial Base + Utility Solutions + Doble Engineering pipeline + ~$2-3B Aerospace & Defense backlog.