Kro-Built. A Place Where Innovative Design and Quality Work Come Together To Bring You The Very Best For All Of Your Trailer And Fabrication Needs. We have been servicing trailers in the Reno area for more than twenty-five years. Our shop specializes in gooseneck hitches, fifth wheel hitches, tow bar systems, and weight distribution. We have the ability to fabricate axles to factory standards or better.