The principal activity of the group is the transporting of primarily less-than-truckload shipments of general commodities, including consumer goods, textiles and capital goods to a diversified customer base. the group serves the markets of southeast, south central, northeast, midwest and west regions of the united states through a fleet of 2,544 tractors and 10,180 trailers. the group also transports shipping containers between several port cities and inland points. the group's service centres are situated in atlanta, georgia; Dallas, texas; Chicago and des plaines, illinois; Harrisburg, pennsylvania; Jersey city, new jersey; Morristown and memphis,tennessee; Los angeles and rialto, california; Columbus, ohio; Greensboro, north carolina and greenville, south carolina.