The Hamilton International Airport (IATA: HLZ) is an airport located in the Waikato region, in New Zealand. It is sited at Rukuhia, which was the name of the Royal New Zealand Air Force base on that site during World War II.
The airport currently accommodates many different types of aircraft, from piston-engined light aircraft to commercial turboprop aircraft.
Here are some of the major Airlines that service Hamilton International Airport:
Air New Zealand operated by Air Nelson
Air New Zealand operated by Eagle Airways
Air New Zealand operated by Mount Cook Airline
The above mentioned information is taken from: http://en.wikipedia.org/wiki/Hamilton_International_Airport