Profile: Industrial Spring Of Saint Louis, Inc. serves precision mechanical spring and wire-form industries. We specialize in producing carbon spring wire and low carbon basic wire. Our compression spring is an open coil helical spring, which offer resistance when a load is applied against it. We supply machine hooks, side hooks and extended & special hooks. Our spring material line includes high carbon spring wire, alloy steel wire, stainless steel wire and non-ferrous alloy wire.