Ray Enger is director of engineering for USON, which first developed high accuracy leak testing methods for NASA and since 1963 has been at the forefront, of leak detection, leak testing and nondestructive testing--pioneering the development of automated leak detection equipment for the automotive, industrial, medical device and packaging industries. Headquartered in Houston, TX, the company has additional offices in Detroit, MI, the United Kingdom and China and sales partners around the world.  Enger can be reached at [email protected], (281) 671-2000.