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defense electronics companies

Companies whose enriched business profile is tagged “defense electronics”, drawn from their SEC filings + website text. Sorted by market capitalization; every figure is delayed data from SEC EDGAR + market data, shown with its as-of date.

  • HEICO (Common) (HEI) Industrials — HEICO is a leading niche manufacturer of high-reliability components and aftermarket parts for the global aerospace and electronics sectors. ask →
  • HEICO (Class A) (HEI.A) Industrials — A leading manufacturer of FAA-certified replacement aircraft components and specialized aerospace/defense electronics, driving growth through consistent organic innovation and strategic acquisitions. ask →
  • MACOM Technology Solutions (MTSI) Information Technology — MACOM Technology Solutions is a high-performance semiconductor firm providing essential RF, microwave, and photonic components for advanced data center, telecommunications, and defense infrastructure. ask →
  • Leonardo DRS (DRS) Industrials — Leonardo DRS is a leading defense technology company focused on providing critical advanced electronics, sensing, and power systems for the U.S. military. ask →
  • GRIFFON CORP (GFF) Industrials — Griffon is a diversified holding company with core operations in residential and commercial building products and high-tech defense systems. ask →
  • SYNTEC OPTICS HOLDINGS INC CLASS A (OPTX) Information Technology — Syntec Optics provides high-precision, vertically integrated polymer and glass-based optical components for mission-critical defense, medical, and communication systems. ask →
  • ESPEY MANUFACTURING AND ELECTRONIC (ESP) Industrials — Espey is a specialized designer and manufacturer of ruggedized power conversion and electronic systems for mission-critical military and industrial applications. ask →
  • AmpliTech Group, Inc. (AMPG) Information Technology — A designer and manufacturer of advanced RF, microwave, and semiconductor components enabling 5G, satellite, and quantum computing infrastructure. ask →

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Frequently asked

What are the largest defense electronics companies?

By market capitalization, the largest defense electronics companies in the catalog include HEICO (Common) (HEI), HEICO (Class A) (HEI.A), MACOM Technology Solutions (MTSI), Leonardo DRS (DRS), GRIFFON CORP (GFF).

How many defense electronics companies does stocks-llm track?

stocks-llm currently lists 8 defense electronics companies (as of 2026-10-08), each with dated fundamentals from SEC EDGAR and market data. Informational only — not financial advice.

Data: SEC EDGAR (filings) + market data (fundamentals, delayed daily-close). Figures shown with their as-of date.

Last updated 2026-10-08.

Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & market data, shown with their as-of date.