The principal industry was the manufacture of iron and steel products, which, including steel and rolling mills, car, foundry and machine shops, and shipyards, represented more than 30% of the total capital, and approximately 25% of the total gross product of the manufactures in the state.
During his eleven years' ministry (1876-1878 with Depretis, 1884-1891 with Depretis and Crispi, 1896-1898 with Rudini), he succeeded in creating large private shipyards, engine works and metallurgical works for the production of armour, steel plates and guns.
The older shipyards have been considerably extended, and shipbuilding is actively carried on, especially by the Orlando yard which builds large ships for the Italian navy, while new industries - namely, glass-making and copper and brass-founding, electric power works, a cement factory, porcelain factories, flour-mills, oil-mills, a cotton yarn spinning factory, electric plant works, a ship-breaking yard, a motorboat yard, &c. - have been established.
The city is the chief commercial centre of the state and has shipyards for the construction of river and lake vessels.
And to make the great Clyde shipyards easily accessible from the naval base at Rosyth, and thus to avoid the necessity of constructing docks and repairing yards there.
Hanna & Company in 1877, was extended to include the ownership of a fleet of lake steamships constructed in their own shipyards, and the control and operation of valuable coal and iron mines.
After 1890 important shipyards were established near San Francisco.
States on the Pacific coast is at Mare Island at the northern end of San Francisco Bay, and the private Union Iron Works, on the peninsula near San Francisco, is one of the largest shipyards of the country.
The tall columnar trunk furnishes the most valued pine timber of the states; close-grained and resinous, it is very durable and polishes well; it is largely employed in American shipyards, and immense quantities are exported, especially to Britain and the West Indies.
For many years there were important cod and mackerel fisheries here and Duxbury clams were famous; there were large shipyards in Duxbury in the 18th century and in the first half of the 19th.
There is a U.S. assayer's office here, and there are extensive shipyards, a large paper mill, iron works, and, just outside the city limits, the smelters of the American Smelters Securities Company, in connexion with which is one of the two plants in the United States for saving arsenic from smelter fumes.
Perth Amboy has a good harbour, shipyards and dry-docks.
Padstow has fisheries and shipyards and some agricultural trade.