A little farther north, but I can definitely recommend
http://www.coachspecialists.com/. Their main facility is in Mansfield, just south of the DFW area. And a satellite facility in Plano, north of Dallas. I caught my rear cap on a steel column leaving storage facility and did major damage. Googled rv repair and found them with good reviews. I called and they said I could drop the trailer off at Plano and they would take it to Mansfield. I dropped it off at Plano. They took it to Mansfield the same day. They worked up the estimate, submitted it to my insurance, got approval to start work from insurance, found a couple more items as they got into it, got approval from insurance for that, and the entire process took only 3 weeks. And that included July 4th holidays in the middle. And they did great work. Total cost for repair was about $14,000. Cost me $500 deductible.
Before and after pictures.