Waxahachie Tank Works We have two convenient locations in the Dallas, Fort Worth Metroplex. Both shops are well equipped to hadle all of your tank trailer and bobtail tank repair needs. Both are also DOT/FMCSA approved as well as NBIC “R” Stamps for welded barrel repairs. Our Waxahachie location also features a shared property with Coal City Cob and D/FW Tank Wash. Read more...