Board Thread:Suggestions forum/@comment-26149161-20170926181227/@comment-26815144-20170930214700

MrHobit1234 wrote: Wat? Isengard was never inhabited by Rohirrim. Tolkien gateway: Freca and his son Wulf nearly managed to destroy the Rohirrim. The Rohirrim eventually won, taking Isengard, and guarding it for Gondor.

So in the latter part of the third age, as well as Saruman not openly being evil then, it's likely they would have still traded.