The group's principal activity is to provide trucking transportation and supply chain solutions to the retail, petrochemical and manufacturing industries. The group offers regional, interregional and national less-than-truckload and selected truckload services across the United States through its two wholly-owned regional transportation subsidiaries, saia motor freight line, inc. And jevic transportation, inc. Saia is a multi-regional less-than-truckload carrier that serves the south, southwest, pacific northwest and the west. Jevic is less-than-truckload ground transportation services provider that also offers selected truckload services throughout the continental United States and Canada. On 16-Feb-2004, the group acquired clark bros transfer, inc.