builds Giant Party Barges up to 32′ long and 17′ wide. In less than 20 minutes they fold up in the launch ramp parking lot to only 8.5′ wide and trailer down the highway without special permits. They also build rolling floating docks that can trailer down the highway and can be licensed as boats to avoid permit problems. They have been in business for three years and have developed an amazing array of Amphibious trailers including a utility trailer than can carry 5000lbs over the highway, down the launch ramp and directly into the water. covers Oregon and Washington but can ship all over the U.S. We have had a lot of fun with their products. Their website has a bunch of great videos.