there was a thread mid winter in the minnesota/wisconsin/iowa regional about this. It said something like Ninthward had NS advertise their brand, but apparantly ninth didnt pay back right away and NS got pissed. Ninthward paid a little late but still paid but NS is still holding a grudge against ninth.
Also, i heared that when ninthward didnt win the Orage masters in like 2003 they got pissed and trashed the course and shit.
this is just what i heared from the thread. (which got deleted)
you'll probably get better answers from ski gabber but it'll get deleted pretty quickly.