Superior Forge & Steel Corporation makes forged hardened steel rolls at 1820 McClain Road in Lima, Allen County, Ohio. The site has electric substations and load centers and melts steel in a 130 ton electric arc furnace.

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Overview

Superior Forge & Steel states its primary product is forged hardened steel rolls for hot and cold rolling of ferrous and non-ferrous materials. In 1991 SFS purchased the Lima facility and began operations as a steel-roll manufacturer. The company says melting is performed in its 130 ton Electric Arc Furnace.

Profile

Site: The facility covers approximately 36.68 acres at 1820 McClain Road in Lima, Allen County, on two noncontiguous parcels. It includes electric substations and load centers.

Permits and water: Ohio EPA public-noticed a draft NPDES permit 2ID00012*ID in April 2026. Outfall 001 is listed at 5000 GPD to an unnamed tributary of the Ottawa River. FRS lists an AIR MAJOR (OPERATING) air system record.