SIOUX CITY, Iowa (AP) ̵
Prince Hydraulics employees were told Friday that the Sioux City plant would close and work will move to other locations.
Shannon Stucker with the International Association of Machinists and Aerospace Workers said the union was surprised by the news. Most workers at the plant were represented by the union.
Prince Manufacturing has other facilities in Hartington, Nebraska, Brookings, South Dakota, and Yankton, South Dakota.