CITY OF INDUSTRY, Calif.–(BUSINESS WIRE)–Utility Trailer Manufacturing Co., the industry’s largest manufacturer of refrigerated trailers and a leading manufacturer of dry freight vans, flatbeds, and Tautliner® curtainsided trailers, is pleased to announce its Clearfield, Utah manufacturing facility has produced its 300,000th trailer, a 3000R Refrigerated Trailer. Utility’s Clearfield, Utah plant hit the 300,000th trailer production milestone when US Foods purchased and received their 3000R Mu