Since 1983, Engineered Spring Products Division (ESP) has become the leader in the manufacture and engineering of a wide range of precision springs, tubing and wire forms, bow/leaf springs, extension springs, torsion springs, slip springs and unique assemblies for the oil industry. Besides the normal spring expertise, they are best known for their ability to utilize stocked premium exotic materials including Inconel?, Beta C Titanium?, Elgiloy?, MP35N? and Hastelloy?. Engineered Spring also crafts custom tubing and wire forms from our vast inventory of materials, including exotic materials mentioned above.