.AERO Domain

.aero is a sponsored top-level domain (sTLD) used in the Domain Name System of the Internet. It is the first sponsored top-level domain based on a single industrial theme. The .aero domain is reserved for companies, organizations, associations, government agencies, and individuals in aerospace-related fields. It was created in 2002 and is operated by SITA. SITA created and operates the Dot Aero Council.

Source: Wikipedia