Transport Investments, Inc. (TII) is a holding company established in 1988 to form or acquire transportation companies and to serve as a holding corporation for its various transportation and related operating entities. The TII Family of Companies includes such operating companies as: American Transport, Inc.; Greentree Transportation Company; Aetna Freight Lines, Inc.; TII Logistics, Inc.; Marathon Transport, Inc.; Fleet Solutions LLC; and InTransit LLC.

The TII Family of Companies is one of the largest and most financially stable private groups of its kind in the United States. The company has essentially no outside debt. In 2008 the group generated approximately $180 million in gross revenue on a consolidated basis. As a group, The TII Family of Companies ranks among the top 40 general commodities carrier groups and the top 20 flatbed/specialized carrier groups in the United States.