As of 2015, Swift Transportation operates throughout the entire United States, Canada and Mexico. The company has more than 40 trucking terminals in 24 U.S. states and Mexico, and also has a presence in every Canadian province.
Based in Phoenix, Arizona, Swift Transportation is the single largest trucking carrier in the United States. The company's fleet consists of more than 17,000 trucks, over 48,000 trailers, which together travel more than 6 million miles each day. Swift operates a wide variety of different transportation services, including refrigerated trucks, expedited team shipping, flatbed, heavy haul and intermodal shipping. The company also owns 100 percent of the Mexican shipping carrier Trans-Mex, which provides border crossing services at every major United States-Mexico border crossing.
Swift Transportation began its operations in 1966, when the company started transporting imported steel from Los Angeles ports to Arizona, and then bringing Arizona cotton back to Los Angeles. Since 1988, the company has grown dramatically through the purchase of 13 different motor carriers, including Navajo Shippers, Cooper Motor Lines, Missouri-Nebraska Express and East-West Transportation. Some of Swift Transportation's major clients include WalMart, Target, Michelin Tire, Scott Paper and Miller Brewing. The company generates more than $4 billion per year as of 2015, and it is publicly traded on the New York Stock Exchange under the symbol SWFT.