AEROSPACE & DEFENSE

Tier-1 Propulsion & Powertrain

World’s Most Productive Companies

Tier-1 Propulsion & Powertrain

Tier-1 Propulsion and Powertrain suppliers build and service jet engines and their core systems. Aftermarket intensity, installed-base service, and disciplined production make this one of the most productive corners of aerospace.

The group had a strong 2025, finishing about 24% above its 2019 baseline. Rolls-Royce and GE Aerospace led as World’s Most Productive Companies. Every company in the group improved on the year.


Tier-1 Propulsion & Powertrain peer group IPI trends

Tier-1 Propulsion & Powertrain World's Most Productive Companies

Rolls Royce logo
GE Aerospace logo

Productivity Snapshot

  • Tier-1 Propulsion & Powertrain ranks first of four Aerospace and Defense peer groups in 2025, at an Industrial Productivity Index of 1.24, about 24% above its 2019 baseline.
  • 4 of 4 companies grew productivity in 2025.
  • They are the group’s World’s Most Productive Companies: Rolls-Royce (1.42), GE Aerospace (1.23).
  • Strong aftermarket demand and engine deliveries lifted every company in the group, extending a multi-year climb well above the 2019 baseline.

Interested in learning more about how you stack up, where to improve, and the impact on margin, cash, inventory, and assets?