Construcciones Aeronáuticas SA (CASA) was a Spanish aircraft manufacturer that was founded in 1923 and began manufacturing aircraft the following year. In 1999 it became a subsidiary of the EADS under the name EADS CASA and in 2009 was absorbed into Airbus Military. CASA is noted for designing and producing military transport aircraft such as the CASA C-212 Aviocar, the CASA CN-235, the CASA C-295 and the CASA C-101 trainer/ground attack aircraft.

Airbus SE is a European multinational aerospace corporation. The company’s primary business is the design and manufacturing of commercial aircraft but it also has separate defence and space and helicopter divisions. Since 2019, Airbus has been the world's largest manufacturer of airliners as well as the leading helicopter manufacturer.