With sales partners worldwide, Swagelok has to speak many languages, fluidly. The company makes fluid system components, which include plug, pinch, and radial diaphragm valves, regulators, filters, flexible tubing, and welding systems. Its products are used in the instrumentation, oil and gas, power, petrochemical, alternative fuels, and semiconductor industries, as well as bio-pharmaceutical research companies. Swagelok also offers technical support, custom kitting, made-to-order products, and third-party sourcing services. The company was founded in 1947 by Fred Lennon in his kitchen.