KLLM Transport Services does its best to keep cool. A leading reefer (refrigerated) carrier, KLLM Transport Services ships perishables and dry goods (such as food, medicine, and cosmetics) in the US, Canada, and Mexico. The irregular-route truckload carrier offers long-haul, regional, and dedicated transport. KLLM Transport Services' Vernon Sawyer division operates dry van trailers serving the 48 contiguous states. Overall, KLLM Transport Services' fleet consists of about 1,600 tractors and 2,600 trailers. CEO W. J. Liles III and former WorldCom CEO Bernard Ebbers control KLLM Transport Services.