Custom Springs

ESP is the undisputed leader in custom spring fabrication utilizing premium exotic materials such as MP35N, Elgiloy, and Inconel. We are the first spring manufacturer in the U.S. to gain ISO certification (original certification 1992). Our certified staff engineers are available for consultation and unique problem solving. Since 1983, ESP has admirably served the oil field industry and our custom springs are prominently employed in aerospace applications, agricultural irrigation, industrial valve assemblies, racing/automotive applications, and OEM pumps and compressors.