Supply chain directory

Tooling covers the design and manufacture of the precision devices used to locate, support and shape aerospace structures and assemblies during production, including jigs, fixtures, dies, mandrels, and dedicated engine-build tooling, together with laser-alignment tooling using LTS and iGPS systems, and controlled-machinery tooling produced from Invar, carbon-fibre-reinforced polymer (CFRP) tool-plate, and hardened steel.

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.