Johnson Filtration Products is the one of the largest manufacturers of depth wound filters in the world. The company is a worldwide manufacturer of filtration products with distributors in the United States and abroad. Its product applications include aerospace, beverage, food and drug, medical, chemical, power plants and ground water. Several U.S. Fortune 500 companies use the company s products. Its clients include NFL Football Films, NASA, the United States Government, Kodak, Shell Oil, Texaco, Chevron Motors, U.S. Steel, Union Carbide, DuPont, Intel, University of Maine, University of Tulsa, Texas A & M University and Culligan Water. Johnson Filtration Products is located in Amarillo, Texas.