Ohio is the biggest manufacturer of plastics and rubber in the country, has the largest bioscience sector in the Midwest, and ranked fourth in the country for green economic growth through 2007.The state is recognized internationally as the "Fuel Cell Corridor", Wal-Mart is the largest private sector employer in Ohio with approximately 50,500 employees in 2017.Gravitational Energy Corporation, located in Cuyahoga Falls, proliferates Gravity Assisted Power (GAP) machines in cooperation with Dri Powder, LLC to the military.The United States Department of Defense currently maintains a large Supply Center in Whitehall, a suburb of Columbus.GE Aviation, headquartered in Evendale, is a major manufacturer of aircraft engines.In 2010, EPISCENTER, a new R&D center for the corporation to be located in Dayton, was announced by the Third Frontier program.Ohio corporations were awarded around .5 billion of United States Department of Defense procurements.Notable defense contractors include Goodyear Tire and Rubber Company in Akron, Lockheed Martin in Akron, which won a contract to develop a space-ship in 2003 and produces the vertical launch ASROC missile, Columbus-based Zyvex Performance Materials develops the Piranha Unmanned Surface Vessel.
Defense systems play a smaller role in the industry.
The largest Ohio employer with headquarters in Ohio is the Cleveland Clinic, with approximately 49,050 employees and headquarters in Cleveland.
A new report by the Quantitative Economics and Statistics Practices (QUEST) of Ernst & Young in conjunction with the Council On State Taxation (COST), ranks Ohio third in the nation for friendliest tax environment.
The economy of Ohio nominally would be the 21st largest global economy behind Saudi Arabia and ahead of Argentina according to the 2017 International Monetary Fund GDP estimates.
The state had a GDP of 6.19 billion in 3rd quarter of 2017, up from 7.1 billion in 2012, and up from 1.3 billion in 2011, according to the Bureau of Economic Analysis.
Major manufacturing employers in the state include AK Steel, Timken, and Honda. exports in 2009, with top destinations being Canada at .2 billion, followed by Mexico, China, the United Kingdom, Greece, Brazil, Japan, Germany, France, and Australia.