1. Gough Inc 2200 E 88th Dr, Merrillville, IN 46410 Coordinate: 41.45911,-87.30745 Phone: (219) 756-2200
2. Allied Universal 109 W 86th Ave, Merrillville, IN 46410 Coordinate: 41.4619,-87.33791 Phone: (219) 736-0033