Knight Transportation has been providing trucking services since 1990. The company has a staff of more than 4,000 trained and certified professionals. It operates a fleet of over 3,000 trucks, tractors and trailers that offers on-time delivery services. Knight Transportation maintains more than 25 service centers throughout the world. Its areas of specialization include brokerage, freight management, less-than-truckload, shipping and customer support services. The company s subsidiary, Knight Refrigerated is a provider of temperature-controlled truckload services. Knight Transportation additionally offers dry vans and refrigerated equipment for sale to residential and commercial businesses. It designs and conducts discounted fuel programs. The company s stores provide a selection of merchandise, including hats, jackets and T-shirts.