Looks like it means dealer to me.
"We are pleased to announce that MIKE ROSMAN RV SALES will be representing
Bigfoot RV's as our Factory Outlet.
With over 24 years experience, many of those as a top
Bigfoot Dealership, we are confident that MIKE ROSMAN RV SALES is ideally suited to providing
Bigfoot Customers with an exceptional level of customer service before, during and after purchase.
Their dedicated and knowledgeable staff is ready to serve you with
all your Bigfoot RV needs. "