Who sells to RTX
3 listed companies name RTX as a customer behind 10% or more of their revenue, led by Ducommun at 18%.
Each share is of the supplier’s own revenue: how much of its business RTX is. RTX's own customers and margins
Suppliers that name RTX
RTX as a share of each supplier's revenue, largest first.
| Supplier | Of its revenue | Annual report |
|---|---|---|
| DCODucommun | 18% | FY2025 10-K |
| MRCYMercury Systems | 15% | FY2026 10-K |
| HWMHowmet Aerospace | 11% | FY2025 10-K |
A US company has to name every customer behind 10% or more of its revenue in its annual report. This page lists the listed companies whose latest 10-K, 20-F or 40-F names RTX that way. Suppliers below the 10% line, private suppliers and suppliers that keep the customer anonymous do not appear. Who depends on whom has the same disclosures across every company.