Jobs & Economy in Marshalltown

Marshalltown's economy rests on a real, diversified, genuinely active industrial base spanning HVAC manufacturing, valve engineering, and meatpacking.

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Lennox International's real, current facility

Lennox traces to Dave Lennox's 1895 riveted-steel furnace invention in Marshalltown; the city's real, current, nearly-million-square-foot facility continues operating after a completed renovation (base record).

Emerson/Fisher's 140-plus-year valve heritage

The Fisher Governor Company was founded in Marshalltown in 1888 and continues today as an Emerson/Fisher valve-manufacturing operation -- a real, continuing presence, not a closed heritage site (base record).

JBS Swift Pork's real, active meatpacking plant

JBS USA's Swift Pork Company plant is a real, current, USDA-inspected large employer purchasing more than $950 million in livestock annually, whose workforce has shaped Marshalltown's significant Hispanic/Latino population (base record).

Key takeaways

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Last reviewed: 2026-08-27. Independent research; not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.