Erie is the commercial centre of a large and rich grape-growing and agricultural district, has an extensive trade with the lake ports and by rail (chiefly in coal, iron ore, lumber and grain), and is an important manufacturing centre, among its products being iron, engines, boilers, brass castings, stoves, car heaters, flour, malt liquors, lumber, planing mill products, cooperage products, paper and wood pulp, cigars and other tobacco goods, gas meters, rubber goods, pipe organs, pianos and chemicals.
Other branches of industry are carpet-weaving, distilling, oil and oil-cake manufacture, dyeing, cooperage and the manufacture of arms and bullets.
Other manufactures with a product value in 1905 of between $4,000,000 and $1,000,000 were: bags (not paper); foundry and machine-shop products; planing-mill products; railway cars, construction and repairs; malt liquors; men's clothing; cooperage; food preparations; roasted and ground coffee and spice; fertilizers; cigars and cigarettes; cotton goods; and manufactured ice.
Chinon has trade in wheat, brandy, red wine and plums. Basket and rope manufacture, tanning and cooperage are among its industries.
Brewing, distilling, cooperage, iron-founding, hatmaking and machine construction are carried on, and there are flour-mills, brick-works, saw-mills, sulphur refineries and leather and paper works.