 Headquartered in Cleveland and founded in 1932, MTD Products employs 6,800 residents in the state and is a major manufacturer of heavy duty lawn equipment. Advanced Drainage Systems headquartered in Hilliard employs 3,900 residents and specializes in manufacturing industrial components and equipment. Aleris International, headquartered in Beachwood, employs 8,500 residents and is one of the world's largest recyclers of aluminum and zinc, manufacturing alloy sheet metal. Park-Ohio, Inc., located in Cleveland, operates in 16 countries with over 3,000 employees. Mallory Marine is a manufacturer of aquatic travel components and located in Cleveland. Cincinnati-based Michelman, Inc. is a global leader in developing water-based barrier and functional coating.
