Passenger Service Units are overhead cabin assemblies integrating oxygen delivery systems (including chemical or gaseous oxygen masks and regulators), reading lights, flight-attendant call buttons, and air ventilation outlets into a single line-replaceable unit (LRU) mounted within the overhead monument structure, typically fabricated from thermoplastic or composite panels conforming to FAR 25 and CS-25 flammability requirements.
Who really supplies this sector?
See the supplier-reach leaderboard, the market-structure read (Top-5 share & HHI) and the full geographic breakdown — the intelligence buyers use to source and vet suppliers, and suppliers use to size up the competition.
Take a look on Airframer, open to everyone courtesy of its sponsor — then imagine it for yours.
