Riverside is a small RV manufacturing company located at
1775 E Us Highway 20, Lagrange, IN 46761
Just down the road from them is the KZ trailer manufacturing plants and the Dutchmen main offices. They are located right in the middle of RV manufacturer heaven (on Highway 20). Well worth your drive to see Amish and all the RV manufactures between Angola, Middlebury, Elkhart, and Shipshewana.
We visited there about about a year ago and was really impressed with these little campers. Quite a throw-back in time, but still very modern. Aluminum.... yes. Very well built. Don't know about the cost, but they are all individually built one at a time. Not your typical assembly line production.