Norm Asbjornson, president and CEO of AAON, Inc., rang the opening bell of the NASDAQ Stock Market in celebration of the 25th anniversary of AAON as a public company.

“We are very proud of the success of AAON since becoming a public company 25 years ago,” said Asbjornson. “Over our history, AAON has maintained a business plan focused on total owner value by offering an increasing breadth of customizable products, with attention to quality, energy efficiency, serviceability, life expectancy, and environmental issues. As we look back over this important period in our history, our success could not have been achieved without the continued contributions of our employees and sales representatives who are committed to providing HVAC products of the highest quality and performance. We thank the employees and sales representatives for their contributions and for the role they will play in our future success.”