Operational since 1881, Holsum Bakery is one of the largest wholesale bakeries in the southwestern United States. It is one of the market-share leaders in Arizona for commercially-baked baked bread and bun products. Holsum Bakery products are distributed by over 250 independent distributors to retail grocers, convenience stores, restaurants, hospitals, hotels, military bases, fast food establishments and trading posts through-out the southwest on a daily basis. Some of the company s brands include Holsum, Aunt Hattie's, Bar-S and Roman Meal.