He engaged in business in Canaan, Connecticut, in 1854 as an iron manufacturer and mine owner.

His father was an iron manufacturer, merchant and banker who became one of the town's first members of parliament in 1832.

Up to that time, British iron manufacturers had used considerable amounts of imported iron to supplement native supplies.

Here Charlton worked with Isaac Rogers, a large iron manufacturer.

He worked as a clerk for fifteen years and then became an iron manufacturer at Longueuil.

He had the key role in reshaping the iron manufacturer to a modern cannon manufacturer and chemical industry.

Its economy used to be based on industry (iron manufacturers), but now it is mainly tertiary.

Opened in 1837, by 1860 it was the third-largest iron manufacturer in the United States.

Later he became a merchant, and finally an iron manufacturer in Plattsburgh, New York.

Plimpton was born in Walpole, Massachusetts, the son and grandson of iron manufacturers.