AAON, Inc., along with its affiliated companies, focuses on the engineering, manufacturing, promotion, and sale of heating and air conditioning systems throughout the United States and Canada. The enterprise's operations are divided into three distinct divisions: AAON Oklahoma, AAON Coil Products, and BasX. Its comprehensive product portfolio features a wide array of HVAC solutions, including rooftop units, specialized data center cooling, cleanroom climate control, chillers, pre-packaged outdoor mechanical rooms, air handling units, fresh air supply units, energy recovery ventilation, condensing units, geothermal/water-source heat pumps, coils, and integrated control systems. AAON markets and sells these offerings to a diverse set of commercial sectors, such as retail, manufacturing, educational institutions, hospitality, supermarkets, data centers, and the medical and pharmaceutical industries. Product distribution is managed through a dual approach, utilizing a network of independent manufacturing representatives in addition to an in-house sales team. Established in 1987, AAON, Inc. is headquartered in Tulsa, Oklahoma.


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