Swagelok is a $1.8 billion, privately-held company. Headquartered in Solon, Ohio, U.S.A., Swagelok Company designs, manufactures, and delivers an expanding range of the highest quality fluid system products. Swagelok is on a mission to make the world a better place. We are enabling advanced technologies and ensuring the safe operation of applications. Such as tube fittings, valves, tubing, and gauges. It was founded in 1947 by Fred A. Lennon in Cleveland, Ohio and in 1965, it moved to Solon, Ohio, where its headquarters remain. They are best known for creating the Swagelok compression tube fitting U.S. Swagelok products and services are delivered locally through a network of more than 200 authorized Sales and Service Centers that support customers in 70 countries on six continents.