Trimac Transportation provides truck transportation and distribution and management services throughout North America. It operates more than 2,250 tractors, over 5,200 bulk trailers and approximately 40 maintenance shops. The company has a staff of more than 4,100 full- and part-time employees, including over 1,150 company drivers and nearly 1,450 independent contractors. It provides maintenance services for dry bulk, flat deck, van, refrigerated materials and heavy equipment. It works in partnerships and alliances with various companies, such as Harris Transportation and Northern Resource Trucking. The company has an online merchandising store that offers hard hat decals, unlined driver's gloves, edge caps, cotton stripe polos, mesh caps, crewneck sweatshirts and driver's bags. Trimac Transportation, founded in 1945, is located in Rapid City, S.D.