significant contribution to economic development in Queensland. Beverages Castlemaine's signature beer, XXXX Bitter (despite its name a lager), was introduced in 1924. The XXXX had been used for a sparkling ale since 1878. XXXX Summer Bright Lager is a 4.2% abv low carb pale lager. See also Australian pub Beer in Australia List of breweries in Australia XXXX Island References Notes Bibliography External links Queensland Business Leaders Hall of Fame Castlemaine's History XXXX Review Australian companies established in 1878 Food and drink companies established in 1878 Buildings and structures in Brisbane Kirin Group Australian beer brands Manufacturing companies based in Brisbane Beer brewing companies based in Queensland Breweries in Australia Q150 Icons