Below is a list of Nitrogen Gas Springs manufacturers from Romeoville, Illinois. Nitrogen gas springs are pneumatic energy storage devices designed for the damping and isolation of movements through the use of compressed air. Gas springs are a popular alternative to mechanical leaf or coil springs as they offer increased product longevity and precision operation. While carbon gas springs are also popular, nitrogen is the most common actuation media used for these air springs and air shocks due to its abundance.