Most of those technologies being European, including the most difficult to make components in the system.

Why isn't there an American company doing this? Why isn't an American company making the lasers, mirrors, metrology, vacuum handling tech, etc?

they are licensed to European company yes

reason why US didn't produce most of these component because US gov didn't continue investment so privately owned enterprise take over from there namely ASML

that also reason why US can restrict EUV sales to china