Engineered Spring Products is a custom spring manufacturing specialist that has an ISO 9001-2000 certification. The products offered by the company include torsion and extension springs, wave and spring washers, bow and drag springs, and retainer, snap and lock rings. Its capabilities include light fabrication assemblies, milling and machining, shot peening, tensile testing, forming, blanking and rolling. The company has a large stock of exotic materials, including titanium, alloy steel, music wire, chrome silicon, brass and beryllium copper. In addition, the company has a professional staff that provides engineering, computer-controlled spring testing, internal control and documentation, finishing inspection and order tracking services. Engineered Spring Products has been operational fro more than 20 years and is located in Houston.