Because I see people asking, some groups that do things like this in the US:

https://reverie.studio/

https://grimmoire.productions/

https://www.journeysandtales.net/

https://www.drachenfest.us/

https://www.jackalope-larp.com/

https://www.sinkingshipcreations.com/

https://larpcoop.regfox.com/shirefolk

Or at lower production values:

https://makeascenemn.org/en/

http://www.interactiveliterature.org/NEIL

https://2025.beconlarp.com/