It is the headquarters of the Bulli Mining Company, whose coal-mine on the flank of the Illawarra Mountains is worked by a tunnel, 2 m.
There is a coal mine at Daling.
One coal-mine is worked in the parganas.
Among the manufactures of Alton are iron and glass ware, miners' tools, shovels, coal-mine cars, flour, and agricultural implements; and there are a large oil refinery and a large lead smelter.
They have restored biodiversity at the former open cast coal mine at Bleak House.