https://www.esa.int/Enabling_Support/Space_Transportation/European_Launcher_Challenge_preselected_challengers_unveiled

ESA Launcher challenge preselected companies.

Isar Aerospace (DE)
Rocket Factory Augsburg (DE)
Maiaspace (FR)
Orbital Express Launch/Orbex (UK)
Payload Aerospace/PLD Space (ES)

Not surprising considering both advancement level and political considerations.