▁Ltd ▁( ST A IS ) ▁- ▁special ises ▁in ▁design , ▁pro tot yp ing , ▁modifications ▁and ▁production ▁management ▁of ▁aircraft ▁struct ural ▁components ▁and ▁assemb lies . ▁V ision T ech ▁Engineering ▁P te ▁Ltd ▁( V TE ) ▁- ▁provides ▁engineering ▁services ▁including ▁maintenance , ▁repair ▁and ▁modifications ▁of ▁aircraft , ▁aircraft ▁equipment ▁and ▁components . ▁A ER IA ▁Lux ury ▁Inter iors ▁- ▁provides ▁VI P ▁aircraft ▁interior ▁conversion ▁including ▁design ▁and ▁maintenance , ▁based ▁in ▁San ▁Antonio , ▁Texas , ▁US . ▁DR B ▁A viation ▁Cons ult ants , ▁Inc . ▁provides ▁services ▁such ▁as ▁engineering ▁design , ▁fl ame ▁testing , ▁k itting , ▁and ▁static ▁and ▁pull ▁testing . ▁Loc ated ▁in ▁San ▁Antonio , ▁Texas , ▁US . ▁ST ▁A eros pace ▁Rot ables ▁- ▁global ▁asset ▁services ▁company ▁i Sh op A ero ▁ ▁Associ ated ▁companies ▁▁ ▁Singapore ▁P rec ision ▁Rep air ▁and ▁Over ha ul ▁( SP RO ) ▁- ▁joint ▁vent ure ▁( 5 0 % ▁share hold ing ), ▁provides ▁maintenance , ▁repair ▁and ▁over ha ul ▁of ▁landing ▁g ear ▁components ▁Madrid ▁A eros pace ▁Service ▁A / S ▁( MA e S ) ▁- ▁joint ▁vent ure ▁( 5 0 % ▁share hold ing ) ▁with ▁I ber ia ▁Main ten ance , ▁provides ▁landing ▁g ear ▁M RO ▁services , ▁located ▁in ▁Madrid , ▁Spain . ▁ ▁Shang hai ▁Techn ologies ▁A eros pace ▁Company ▁( ST AR CO ) ▁- ▁joint ▁vent ure