Diamond Transportation Signing OTR Owner Operators . Signing: OTR Owner Operators (Accepting Independent Contractors W/ Trucks), MUST HAVE RGN, FLATBED OR STEPDECK EXPERIENCE with good knowledge of chaining, strapping and securement! Company info: Diamond Transportation System, Inc. has a rich history of pioneering the transportation of farm equipment and tractors starting in the 1940’s and expanded to the 100% Owner Operator Company with a Fortune 500 customer base that it is today. From humbl…