Oil and freash water
glass and naval industries
Most of them are in the Aleutian Islands.
one of Poland's most important industries is coal mining.
The most important service industries in Europe is the banking and insurance
Currently its dwindling oil reserves.
Agriculture
Food production is one of the most important industries on the Japanese island of Honshu.
Oil
The chemical and textile industries are very important on the island of Honshu. Honshu, the main island, is the largest and most populated.
Mining and Agriculture.
Tourism qualifies as such.