Espey Mfg. & Electronics Corp., a power electronics design and original equipment manufacturing company, designs, manufactures, and tests electronic equipment primarily for use in military and industrial applications in the United States and internationally. The company's principal products include power supplies, power converters, filters, power transformers, magnetic components, power distribution equipment, UPS systems, antennas, and high-power radar systems for use in AC and DC locomotives, shipboard power, shipboard radar, airborne power, ground-based radar, and ground mobile power applications. It also provides various services comprising design and development to specification, build to print, design services, design studies, environmental testing services, metal fabrication, painting services, and development of automatic testing equipment. In addition, the company produces individual components, such as inductors, printed circuit boards, wires, and tests items. It serves industrial manufacturers and defense companies, the government of the United States, foreign governments, and foreign electronic equipment companies through its direct sales organization and outside sales representatives. The company was incorporated in 1928 and is based in Saratoga Springs, New York.
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Here are 1-3 brief analogies for Espey Manufacturing & Electronics (ESP):
- Like a focused Honeywell, but solely designing and manufacturing rugged power electronics for defense and aerospace.
- Think of them as a dedicated power electronics division of a major defense contractor such as Raytheon (RTX), but operating as an independent company.
- A custom builder of high-reliability power systems for demanding industrial and military applications, similar to a highly specialized segment of Eaton or Schneider Electric.
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Power Supplies: Espey designs and manufactures various power supplies, including high voltage, AC-DC, and DC-DC converters, for military and industrial applications.
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Transformers and Filters: The company produces specialized transformers and power filters used for power conditioning and distribution in critical systems.
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Power Distribution Units: Espey develops integrated power distribution units to manage and distribute electrical power efficiently within complex equipment.
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Custom Power Electronics & Contract Manufacturing: They offer custom design, development, and third-party contract manufacturing services for specialized power electronic systems tailored to customer specifications.
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Espey Manufacturing & Electronics (ESP) sells primarily to other companies and government entities, particularly the U.S. government as a prime contractor or through its prime contractors. The company is a high-technology designer and manufacturer of power electronics and power supplies for military and industrial applications.
Its major customers, as identified in its recent filings, include:
- Lockheed Martin Corporation (NYSE: LMT)
- Northrop Grumman Corporation (NYSE: NOC)
- U.S. Air Force
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David O'Neil, President and Chief Executive Officer
Mr. O'Neil was appointed President and Chief Executive Officer of Espey Manufacturing & Electronics Corp. on January 1, 2022. He has been with the company since 2000, having previously served as Treasurer, Chief Financial Officer, and Executive Vice President. Mr. O'Neil also held the position of Interim President and CEO from June 2014 to January 2015. Prior to joining Espey, he worked as a Senior Manager at KPMG LLP.
Kaitlyn O'Neil, Principal Financial Officer and Treasurer
Ms. O'Neil was appointed Principal Financial Officer and Treasurer, effective February 15, 2025, succeeding Katrina Sparano. She joined Espey Manufacturing & Electronics Corp. on January 6, 2025, and is a Certified Public Accountant with over 10 years of financial leadership experience in various industries. Her previous roles include Finance Director at Octo Telematics North America, LLC from September 2021, and various finance department positions at Precisely Holdings, LLC from April 2017 to September 2021. She also worked as a Senior Audit Associate at KPMG LLP from January 2015 to April 2017. Ms. O'Neil is not related to David O'Neil.
Alan Winslow, Chief Technical Officer
Mr. Winslow serves as the Chief Technical Officer for Espey Manufacturing & Electronics Corp.
Jennifer Pickering, Chief Human Resources Officer and Assistant Corporate Secretary
Ms. Pickering was named Assistant Corporate Secretary, which is a board position. She was hired to lead human resources for Espey in April 2024 and previously worked in human resources at GlobalFoundries.
Howard Pinsley, Independent Chairman of the Board
Mr. Pinsley is the Independent Chairman of the Board for Espey Manufacturing & Electronics Corp.
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Espey Manufacturing & Electronics Corp. (ESP) operates in specialized segments of the electronics industry, primarily serving military and industrial applications. The addressable markets for their main products and services can be estimated based on broader industry categories:
- Military Power Supplies and Solutions: The global next-generation military power supply market was valued at approximately USD 12.1 billion in 2023 and is projected to grow to USD 20 billion by 2032, with a Compound Annual Growth Rate (CAGR) exceeding 6%. Other estimates for the global military power solutions market indicate a value of USD 10.1 billion in 2023, poised to reach USD 23.05 billion by 2032 at a CAGR of 9.6%. North America held approximately a 40% share of the next-generation military power supply market in 2023 and is expected to lead the military power sources market.
- Defense Electronics: This is a broader market that encompasses many of Espey's offerings. The global defense electronics market size was valued at USD 176.0 billion in 2024 and is expected to reach USD 278.2 billion by 2033, growing at a CAGR of 4.96%. Another report indicates a market size of USD 180.20 billion in 2024, projected to grow to USD 324.80 billion by 2035 with a CAGR of 5.50%. The North American defense electronics market is anticipated to reach over USD 125 billion by 2034.
- Industrial Power Supplies and Power Converters: The global industrial power supply market was estimated at USD 10.8 billion in 2022 and is poised to reach USD 14.5 billion by 2027, growing at a CAGR of 6.0%. Other projections show the industrial power supply market growing from USD 9.0 billion in 2025 to USD 22.6 billion by 2035, at a CAGR of 9.6%. The global power converter market was valued at USD 20.9 billion in 2022 and is projected to reach USD 44.6 billion by 2032, growing at a CAGR of 7.8%. The industrial segment held a dominant market position in the power converter market in 2023, capturing over a 53.3% share.
- Magnetic Components (including Power Transformers and Inductors): The global magnetic components market size was valued at USD 5.66 billion in 2023 and is expected to reach USD 8.93 billion by 2032, expanding at a CAGR of 5.2%. Another source estimates the global magnetic components market size at USD 6,378.78 million in 2024, projected to reach USD 9,348.11 million by 2032, growing at a CAGR of 5.61%. The global power transformer market is estimated to be valued at USD 29.28 billion in 2025 and is expected to reach USD 54.25 billion by 2032, exhibiting a CAGR of 9%. The industrial sector is expected to hold the largest revenue share in the power transformer market in 2024.
- Antennas (Defense Integrated Antennas): The global defense integrated antenna market was valued at USD 14.1 billion in 2024 and is projected to grow to USD 44.0 billion by 2035 with a CAGR of 10.89%. Another report states the global military antenna market size was USD 4.05 billion in 2023 and is projected to grow to USD 7.77 billion by 2032, exhibiting a CAGR of 7.6%. North America dominated the military antenna market with a 37.53% share in 2023.
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Espey Manufacturing & Electronics (ESP) Future Revenue Growth Drivers
Espey Manufacturing & Electronics (ESP) Expected Drivers of Future Revenue Growth
Over the next 2-3 years, Espey Manufacturing & Electronics (ESP) is expected to drive revenue growth through several key factors:
- Conversion of Record Backlog: Espey's significantly increased sales order backlog, which reached $139.7 million at June 30, 2025, up 43.7% from the previous year, provides strong visibility for future revenue. New orders also surged to $86.4 million in fiscal year 2025, indicating sustained demand for its products.
- Sustained Demand in Defense and Aerospace Markets: The company's specialization in designing and manufacturing high-reliability electronic components for military and severe environment applications positions it well within a positive defense budget outlook. This niche focus on customized, rugged components for the defense and aerospace sectors is a primary driver of ongoing demand.
- Investment in New Programs and Expanded Capabilities: Espey plans to continue investing in new programs to ensure longer-term production cycles. The company also focuses on integrating emerging technologies into its product development and manufacturing processes to refine its offerings. A notable recent development is the completion and full-scale operation of its Magnetics Center of Excellence Facility Expansion in October 2025, enhancing production capacity and potentially enabling new product launches.
- Strategic Acquisitions: Espey raised £56 million in Q4 2024 through equity issuance, with funds allocated towards acquisitions and refurbishments. This indicates that strategic acquisitions are a potential avenue for inorganic growth and market expansion.
- Strong Customer Relationships and Execution: The company's leadership has highlighted strong execution and lasting customer relationships as critical to achieving steady revenue growth. Maintaining and leveraging these relationships, particularly with its key customers in defense, are expected to contribute to continued revenue stability and growth.
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Share Repurchases
- Espey Manufacturing & Electronics did not repurchase any shares held by the Employee Stock Ownership Plan (ESOP) during the fiscal years ended June 30, 2024, and 2023.
- As of June 30, 2024, the Board of Directors authorized management to purchase an additional $783,460 of company stock.
Share Issuance
- Espey Manufacturing & Electronics issued new shares between June 2024 and June 2025, as annual shares outstanding increased from 2.52 million to 2.90 million during this period.
- The company also issued new shares between March 2025 and June 2025, with quarterly shares outstanding increasing from 2.82 million to 2.90 million.
- No common stock was sold to the ESOP during fiscal year 2024.
Inbound Investments
- As of June 30, 2024, milestone reimbursements totaling $4,228,722 were received.
- Property, plant, and equipment worth $965,392 at June 30, 2024, had not yet been reimbursed under a funding award.
- The company anticipates spending an additional $2.3 million, allowable under the funding award, during fiscal year 2025.
Capital Expenditures
- Capital expenditures for fiscal year 2025 are projected not to exceed $500,000.
- These expenditures are primarily focused on machinery and equipment and facility upgrades to maintain competitiveness and fulfill current contract requirements.
- The company completed the expansion of its Magnetics Center of Excellence facility on October 22, 2025.