Transport Technical Services (TTS) has published its newest version of the National Motor Carrier Directory, which includes more than 7,800 toll-free and 18,500 fax numbers of U.S. trucking companies.
The new edition reflects firms with 1.2 million trucks and tractors, 2.1 million trailers and $192 billion in revenue.
The directory is available of the company's FleetSeek website.