The STU control the Auction houses at Spanish ports. There are a number of missions that can raise STU Reputation. Killing certain NPC's will also do this. Sons of Cortez, Los Hijos Verdaderos. Fleet Ships Spanish Trader Trade Union Treasure Ship Arms Merchant Contrabandista Retrieved from "https://potbs.fandom.com/wiki/Spanish_Trade_Union?oldid=13991" Categories: Factions Community content is available under CC-BY-SA unless otherwise noted.