Battelle Memorial Institute is a private nonprofit applied science and technology development company headquartered in Columbus, Ohio. The institute opened in 1929 but traces its origins to the 1923 will of Ohio industrialist Gordon Battelle which provided for its creation and his mother Annie Maude Norton Battelle who left the bulk of the family fortune to the institute after her death in 1925. Originally focusing on contract research and development work in the areas of metals and material science, Battelle is now an international science and technology enterprise that explores emerging areas of science, develops and commercializes technology, and manages laboratories for customers. It has 3,200 employees, and manages another 29,500 in ten United States Department of Energy National Laboratories.

Columbus is the capital and most populous city of the U.S. state of Ohio. With a 2020 census population of 905,748, it is the 14th-most populous city in the U.S., the second-most populous city in the Midwest after Chicago, and the third-most populous U.S. state capital after Phoenix, Arizona and Austin, Texas. Columbus is the seat of government of Franklin County; it also extends into Delaware and Fairfield counties. It is the core city of the Columbus metropolitan area, which encompasses ten counties in central Ohio. It had a population of 2,138,926 in 2020, making it the largest metropolitan area entirely in Ohio and 32nd-largest metro area in the U.S.