Kingfisher Kookers has been in business since 1938 and is the oldest continuous grill manufacturer in the United States.
The Journal Record - Kingfisher Kookers Builds Custom-Made Smokers
News Oklahoma - OSU tailgating: Kings of the custom grill
April 28, 2008 :: State Regents Recognize Institution, Business Partnerships Redlands Community College and Kingfisher Kookers
The CBS Interattive Business Network