There are many occasions when individual components must be manufactured, heat-treated, finished, and assembled prior to the completion of a final product. Lining up qualified vendors and properly scheduling all of the required processes for a spring assembly can be very time consuming. We know you have better things to do with your time. With our extensive database of material, heat-treat and finishing vendors, we do all the work so you don’t have to. In the end, you will receive a high quality spring assembly that is fully certified! Often, our customers will supply us with partially finished components to their assembly, have us manufacture the necessary parts to complete it and assemble it for them. Whether it is riveted, soldered, brazed or spot welded, count on Peninsula Spring to be your one-stop-shop for custom spring assemblies!