Miami County, Ohio Business Directory & Community Resources
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Miami County — County Seat: Troy
2026 Population Estimate: 113,396 | Official Website: https://co.miami.oh.us/
Miami County is a prosperous southwest Ohio county with the beautiful city of Troy as its county seat — one of Ohio's most elegant small cities, whose gorgeous downtown square, historic architecture, and the famed Troy Strawberry Festival (drawing over 250,000 visitors annually to celebrate local strawberries) make it one of the most charming county seats in the state. The county has a strong manufacturing economy alongside agriculture. Major employers include Hobart Brothers Company (welding products, a century-old company), Honda of America Mfg. (the Marysville Assembly complex draws from Miami County labor), Upper Valley Medical Center, and Accuride International. The county is also home to Garbry Big Woods Sanctuary and the Miami County Park District with excellent nature trails. Troy's waterfront on the Great Miami River has been beautifully developed for public enjoyment.
▸ Key Industries & Major Employers
Manufacturing, healthcare, and distribution.
Major employers include Upper Valley Medical Center, Hobart Corporation (food equipment manufacturer, part of Illinois Tool Works), Honda of America suppliers, and several diversified manufacturers. Miami County has a strong precision manufacturing heritage.
▸ Notable Economic Development Initiatives
Miami County Economic Development works with the Dayton Development Coalition to retain and attract manufacturing. Hobart Corporation's Troy headquarters drives supplier and service business activity. A 2024 workforce training initiative focused on manufacturing and welding credentials through Edison State Community College. The county leverages its I-75 corridor location for distribution attraction.
▸ Infrastructure & Investment Highlights
I-75 is the primary north-south corridor. US-36 and SR-55 provide secondary access. The county is developing a new certified shovel-ready industrial site near I-75 with state infrastructure grant support. Rail access through Norfolk Southern serves Hobart and other manufacturers.