Columbus is the capital of and largest city of Ohio. The city named after Christopher Columbus has a diverse economy based on education, government, insurance, banking, fashion, defense, aviation, food, clothes, logistics, steel, energy, medical research, health care, hospitality, retail, and technology. Columbus has emerged to be become one of America’s technologically sophisticated cities. The world’s largest private research and development foundation, Batelle Memorial Institute, Chemical Abstracts Service and NetJets, the worlds largest fractional ownership jet aircraft fleet, and lastly Ohio State University, the nations largest college campus are all located in Ohio.