Transavia France has its head office in Paray Vieille Poste.
OpenSkies is headquartered in Paray Vieille Poste. Prior to its re-establishment as OpenSkies, the airline
L'Avion (Elysair SAS) was headquartered in that location.
Kyocera Fineceramics Group has its design centre in Orlytech in Paray-Vieille-Poste. Prior to its disestablishment,
Air Inter (as Air France Europe) had its head office in the commune.
AOM French Airlines had its head office in Building 363 at
Orly Airport and in Paray-Vieille-Poste. After AOM and
Air Liberté merged in 2001, the new airline occupied building 363. ==Education==