Hy-Lok USA, Inc. With over 40 years of experience at the forefront of instrument valve and fitting technology, Hy-Lok takes pride in offering a wide range of high-quality valves and fittings that are customizable to meet the unique requirements of every project. Hy-Lok Corporation, founded in Korea in 1977, has grown exponentially and is considered the highest quality instrument valve and fitting company in Asia.

Hy-Lok USA was established in 1997 and has since become a trusted master distributor in North and South America. As an ISO 9001:2015 certified company, Hy-Lok follows a continuous improvement philosophy, prioritizing customer service and offering competitively priced, high-quality products. With operations on every continent, Hy-Lok is a truly global company dedicated to providing reliable valve and fitting solutions