Harvest States Foods (HSF), a national provider of tortillas and Mexican food products, has started work on at the site of its new 100,000ft² tortilla processing facility in Newton, NC.   The plant, which is strategically located to supply to produce and supply corn and flour tortillas and tortilla chips for retail and foodservice customers along the eastern seaboard, is intended to replace two existing Catawba County plants located about 60 miles from Charlotte.