Diamond Plate Flooring, Plexi Ready Rail, 2 Center Dividers with Sliders, Rear Swing Gate with Slider. When searching for the best trailer dealership carrying the biggest brands, has affordable prices, and exceptional customer service, look no further than Sundby’s Trailer Sales. We guarantee you’ll be in the right place! Give us a call at 218-445-8220 or visit our website at www.sundbystrailers.com to view all our inventory.