Product Data Management (PDM) software provides a controlled repository for engineering data within aerospace design environments, managing CAD file versioning, bill-of-materials structures, engineering change orders (ECOs), and document revision control to ensure configuration integrity across multi-disciplinary design teams working to AS9100 and CMII change-management standards.
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.