MAC Trailer Enterprises is the nation's foremost trailer manufacturer of dump, flatbed, and transfer trailers, as well as dry bulk pneumatic tanks in both food grade and raw materials, and straight truck bodies. MAC Trailer also manufactures an entire line of liquid tank trailers equipped for gas, oil, fertilizer, or food-grade products. 

MAC Trailer Enterprises founded in 1994 by Michael A. Conny; has now grown to 12 manufacturing locations nationwide. MAC Trailer now encompasses over 1,500,000 square feet of facilities on campuses over 600 acres with an excess of 1,200 employees that services both national and international markets