AAON, Inc.

AAON makes heating and air conditioning equipment for commercial buildings and data centers. Their products include rooftop air conditioning units, systems that cool server rooms, air handling units that move air through buildings, and heat pumps that use geothermal energy or water for heating and cooling. They sell to schools, hospitals, supermarkets, hotels, manufacturing facilities, and data centers through a sales team and independent representatives. The company operates three manufacturing divisions and is based in Oklahoma.