1. Vantil Medical Inc. 320 S Calumet Rd, Chesterton, IN 46304 Coordinate: 41.60814,-87.05205 Phone: (219) 926-5400
2. Praxair 1224 W North Boo Rd, Chesterton, IN 46304 Coordinate: 41.60968,-87.12846 Phone: (219) 787-8651