AAON Inc. engineers, manufactures, and markets a wide range of premium HVAC solutions, including rooftop units, air-handling units, chillers, and specialized data center cooling systems. The company operates through three primary business segments: AAON Oklahoma, AAON Coil Products, and BASX. Its BASX segment has driven significant recent growth by providing advanced liquid cooling and water-free cooling systems tailored for high-density data centers and cleanrooms. Headquartered in Tulsa, Oklahoma, AAON maintains a robust domestic manufacturing footprint with facilities in Oklahoma, Texas, Missouri, Oregon, and Tennessee. The company primarily serves the North American market, distributing its products through a network of independent manufacturer representative organizations and an internal sales force. AAON distinguishes itself through its world-class innovation center and testing labs, allowing it to consistently exceed minimum energy efficiency standards.