About

About Hy-Lok Usa Hy-Lok USA, Inc. is the American master distributor of Hy-Lok Corporation, a global industry-leading provider of valve and fitting solutions. For over 40 years, Hy-Lok USA has been supplying our partners with hard-working, adaptable, and robust instrumentation tube fittings and valves. We stock a wide range of alloys in numerous shapes, sizes, and fittings, and as we know your industry our experts would be more than happy to help you find the best solutions for your current and future projects.