1. Downing Plumbing 8183 Grand Blvd, Merrillville, IN 46410 Coordinate: 41.46964,-87.25722 Phone: (219) 706-2592
2. Culligan Water Systems 2215 W Lincoln Hwy, Merrillville, IN 46410 Coordinate: 41.47051,-87.36329 Phone: (219) 769-6666