21. Ayala Construction
8885 Louisiana St, Merrillville, IN 46410
Coordinate: 41.45761,-87.31937
Phone: (219) 756-0694
22. Ruud HVAC Systems Repair
5275 Cleveland St, Merrillville, IN 46410
Coordinate: 41.52263,-87.35993
Phone: (219) 292-4631
23. Vercellnos HVAC Inc
5500 E Lincoln Hwy, Merrillville, IN 46410
Coordinate: 41.473,-87.26977
Phone: (708) 481-3333