Founded in 1974, Production Specialties Corporation, also known as PS Corporation, manufactures various custom door products in the state of North Dakota. The company serves the mining, paper, food processing, material handling, military, agricultural, fall safety and flood protection industries. It offers a range of products that include lift-out shields, flood planks, and hinged, vertical and sliding flood barriers. PS Corporation designs and manufactures a variety of flood protection barriers and special industrial door products. Its flood protection group is called PS Doors.