Name: Bretz Rv Marine. Descripton:Bretz RV & Marine is the largest RV Dealer in Montana, Idaho, Eastern Washington, Wyoming & the Dakotas. Bretz RV & Marine is a family grown and owned organization. The RV dealership was established nearly 50 years ago in 1967 right here in Missoula, MT. Bretz RV & Marine has grown into one of the premiere RV and Marine dealerships in the Northwest and the nation. The large selection of RVs and Boats gives them the ability to negotiate the best deals for customers. As we always say: "We Stack em' Deep & Sell em' Cheap!"