Aaon, Inc. AAON

What this company does

AAON, Inc. designs and manufactures heating, ventilation, air conditioning and liquid cooling equipment for commercial and industrial indoor environments. As of February 24, 2026, it employed approximately 5,897 employees. For the years ended December 31, 2025, 2024 and 2023, the company had three, two and three customers, respectively, that accounted for 10 percent or more of revenue. AAON operates through three reportable business segments, AAON Oklahoma, AAON Coil Products and BASX, based on differences in products, manufacturing processes and end markets. The AAON Oklahoma segment engineers, manufactures and sells highly configurable HVAC systems, designs and manufactures controls solutions, and sells aftermarket parts through retail part stores and online, with manufacturing facilities in Tulsa, Oklahoma; Memphis, Tennessee; and Parkville, Missouri. The AAON Coil Products segment engineers, manufactures and sells semi-custom and custom HVAC systems, as well as heating and cooling coils for use in HVAC systems, and operates from manufacturing facilities in Longview, Texas. The BASX segment engineers, manufactures and sells cooling solutions for the hyperscale data center market, ventilation solutions for cleanroom environments in the biopharmaceutical, semiconductor, medical and agricultural sectors, and air handlers and modular solutions for other markets, operating from a manufacturing facility in Redmond, Oregon. AAON, Inc., a Nevada corporation, was incorporated on August 18, 1987, and its operating subsidiaries include AAON, Inc., an Oklahoma corporation, AAON Coil Products, Inc., a Texas corporation, and BASX, Inc., an Oregon corporation.

Written from the business description in AAON, INC.'s annual report to the U.S. Securities and Exchange Commission, filed 2 March 2026. Every sentence was checked against that document before publication.