For over forty years, Doonan® Specialized Trailer, LLC has been dedicated to producing platform trailers that meet and exceed the specialized needs of owner operators. Its product lines include custom flatbeds, drop decks, oilfield trailers, extendibles, RGN lowbeds and double drops. Doonan® has an extensive network of independent Dealers located across the USA, Canada and Mexico. Headquartered in Great Bend, KS, Doonan® takes pride in its superior quality, craftsmanship and exceptional customer service.