Who HEICO buys from and sells to
Sells FAA-approved replacement parts and repairs that undercut OEM prices, plus niche defence electronics.
Part of Commercial Aerospace and the Aftermarket spending
Buys from 1
- Specialty metals and electronics vendorsmaterials for PMA parts and components
Sells to 3
- Airlines and MRO shopslower-cost replacement engine and aircraft parts
- Defence primes and agencieselectronic components and sensors
- Satellite and spacecraft makersspace-grade electronics
Where the chain could break
- Flight Support was 70% of FY2025 sales, tied to airline flight hours
- Depends on FAA approval for each PMA part
Competes with
- TransDigmTDGOEM parts that its PMA versions replace
- GE AerospaceGEengine spare parts
- RTXRTXPratt engine spare parts
Mapped by hand from filings and company reporting, as of October 2026. It shows the relationships that matter most, not every contract: most are never disclosed, and agreements change.