ALFA IS OWNED BY FIAT AS IS FERRARI
they are divisions of the same corp
haas is not owned by them and is an independent customer
haas f-1 base is in Kannapolis, North Carolina, United States (Main) Banbury, England, UK (European)
but hass and ferrari are working on a solution
https://www.autosport.com/f1/news/154327/ferrari-to-set-up-haas-hub-f1-facility-at-maranello
and
https://www.autosport.com/f1/news/154993/how-f1-teams-work-with-covid19-restrictions