In 1998, Fred Land founded Interlock Industries, Inc. to produce Spray-Lock Premium Eco Adhesives, water-based aerosol spray adhesives that have now been used on over 600 million square feet of flooring in the U.S. and internationally. The company is headquartered in Chattanooga, TN, USA, with U.S. production facilities in Chatsworth, GA, and more than 50 agents in the U.S. and throughout the world.