1. Sapa Extrusions Inc 2500 Alumax Rd, Yankton, SD 57078 Coordinate: 42.88859,-97.35042 Phone: (605) 665-6063
2. Solid Metals Mfg 2204 W City Limits Rd, Yankton, SD 57078 Coordinate: 42.89334,-97.4156 Phone: (605) 260-8660