Who are Firefly Aerospace's biggest customers?

Customer 1 accounts for 59% of Firefly Aerospace's revenue (FY2025 10-K). Other disclosed customers: customer 2 8.9%.

FLYFirefly Aerospace Inc.

$18.24-35% 1Y

$18.24

$16.3252 weeks$58.81

Is the business good?

Mixed

4 of 9 health tests passed. That is the only one of 4 checks this filer's data supports, so take it as a single data point rather than a settled answer.

1 neutral, 3 without data

Fundamental health (F-score)4 / 9SEC EDGAR · Dec 31, 2025

Mixed fundamental signals. Nine pass/fail tests of year-over-year health from the filings.

Where this answer is blind. The F-score rewards improvement, so an already-elite company can score mid-pack.

Customers and suppliers

Who buys from FLY and who it buys from, as the companies report it.

59%of revenue comes from customer 1, the largest of 2 disclosed customers

Customerswho buys

Customer 1
59%
Share of revenue · FY2025 10-K
Customer 2
8.9%
Share of revenue · FY2025 10-K
Top five customers
86%
Combined share of revenue · FY2025 10-K

Supplierswho it buys from

None disclosed.

A company has to disclose every customer behind 10% or more of its revenue. Each share comes from the latest annual report of the company that states it and shows on both companies’ pages; FLY’s own figures are from its FY2025 10-K. Smaller customers and suppliers go unreported.

Aerospace & Defense

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