Supply chain directory

Actuation covers the design and manufacture of devices that convert energy into controlled mechanical motion for flight-control surfaces, landing gear, thrust-reverser, and other airframe functions, encompassing hydraulic, pneumatic, electromechanical (EMA), and electrohydrostatic (EHA) actuator types alongside servoactuators, linear and rotary configurations, explosive initiator-driven units, and associated servo amplifiers and drive electronics.

How many distinct aircraft programmes each supplier in this area is linked to in our database — a proxy for how widely established a company is across the industry. Bars are relative to the top-ranked supplier.

Whether supply here is concentrated in a few big players or spread across many. Top-5 share is the portion of all programme links held by the five largest suppliers. HHI (Herfindahl–Hirschman Index) runs 0–10,000: under ~1,500 is competitive, over ~2,500 is concentrated.

Where the listed suppliers in this area are based, by country of head office. Useful for sourcing, near-shoring and understanding regional strengths.