• International Environmental (Oklahoma City) appointed Dennis Kloster as vice president of sales and marketing.

  • AAON Inc. (Tulsa, Okla.) has acquired Air Wise Inc. (Mississauga, Ontario). Air Wise engineers, manufactures, and sells custom air-handling units, makeup-air units, and packaged rooftop units for commercial and industrial buildings.

    Publication date: 05/17/2004