For a reduced listing click on Categories: Expanding Industry, New Industry, OEM, System Integration
Ohio is the 3rd largest state for manufacturing companies and employment. Ohio only follows California and Texas respectively. Ohio is the 7th state by population and 34th by land area.
Ohio is the seventh-largest economy in the United States with a GDP of about 656 billion dollars, just below Pennsylvania and ahead of New Jersey. If Ohio were a sovereign country, it would be the 21st largest economy in the world ahead of Argentina and below Saudi Arabia
| Metro Area | Primary Manufacturing Strength | Employment Trend (2025-26) |
| Cleveland / Akron / Canton / Youngstown | Steel, Polymers, Chemicals | High Investment/Low Vacancy |
| Cincinnati | Aerospace, Consumer Goods | Growth Leader |
| Columbus | Semiconductors, Automotive | Rapid Expansion |
| Toledo | Jeep Assembly, Solar Panels | Stable / Industrial Hub |
| Dayton | Defense, Aerospace | High Innovation |
| Findlay | Tires, Plastics | Top Micropolitan Hub |