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1950

222 Neilston is constructed and occupied by Plaskolite Inc. (1956- 1960); O’Neil Awning & Tent (1971); Palmer Donovan Manufacturing (1976-1985); Escape Enterprises (1992-Current). At this time, Ohio leads the nation in the manufacturing of heating and cooling equipment, and Columbus is the center of production with five of the 25 largest firms in the city.