Steel Manufacturing Companies in Idaho

Idaho has approximately 1,800 manufacturing establishments and 68,000 manufacturing employees. Idaho's manufacturing sector is anchored by Micron Technology's semiconductor operations in Boise and a significant food processing industry.

Idaho contributes to the national steel manufacturing landscape. Steel manufacturing includes integrated steel mills, electric arc furnace (EAF) mini-mills, and specialty steel producers that collectively produce approximately 80 million tons of steel annually in the US. The industry is dominated by companies like Nucor, US Steel, Steel Dynamics, and Cleveland-Cliffs, with mini-mills now accounting for over 70% of domestic production.

Integrated Steel Mills: Facilities operating blast furnaces and basic oxygen furnaces to produce steel from iron ore, like US Steel and Cleveland-Cliffs.

EAF Mini-Mills: Electric arc furnace operators like Nucor and Steel Dynamics producing steel from scrap and DRI.

Specialty Steel Producers: Companies producing stainless steel, tool steel, alloy steel, and other specialty grades for demanding applications.

Steel Service Centers: Distribution and processing companies that slit, cut, blank, and process steel for manufacturing customers.

Major industrial centers in Idaho include Boise, Nampa, Meridian, and Idaho Falls. These cities have concentrations of manufacturers across sectors including semiconductor manufacturing, food processing manufacturing, and wood products manufacturing.