Then in 2000 three of the four partner companies ( DaimlerChrysler Aerospace , successor to Deutsche Airbus ; Aérospatiale-Matra , successor to Sud-Aviation ; and CASA ) merged to form EADS , simplifying the process .
Then in 2000 , three of the companies which made Airbus Industrie ( DaimlerChrysler Aerospace , the new Deutsche Airbus ; Aérospatiale-Matra , the new Sud-Aviation ; and CASA ) merged .