I will not make a book to explain all the companies, but just look :
Avio (drop cause of big shares issue to fund the big growth)
Exail : the most profitable activity is submarine drone, but they got a very important competence about spacial navigation system. (They dropped too for big share issues to fund a big growth)
OHB SE : development, production, and operation of complete satellite systems for applications including Earth observation, navigation, telecommunications, science, and defense/reconnaissance
Just look the charts since early 2025 :)