Jigs and fixtures for aerospace manufacture encompass the design and fabrication of drill jigs, assembly fixtures, and holding devices used to locate, support, and constrain airframe structures, aeroengine components, and sub-assemblies during machining, drilling, riveting, and bonding operations, typically produced from steel, aluminium, or CFRP tooling plate and qualified to tight positional tolerances using CMM verification.
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.