Hirschbach Motor Lines announced it will acquire Oklahoma-based refrigerated carrier John Christner Trucking. Hirschbach, based in Dubuque, Iowa, is a privately owned carrier that provides refrigerated, dedicated and specialized transportation services. John Christner founded his namesake company in 1986, and later handed control over to his sons, Danny and Darryl. Post-transaction, Danny will stay on as president while his brother and father plan to retire. John Christner Trucking will continue to operate independently, the companies said. Hirschbach will have more than 3,000 trucks and 5,000 trailers when the deal closes.\nLearn more about your ad choices. Visit podcastchoices.com/adchoices