ILSCO Extrusions Inc. (IEI) provides aluminum extrusions with precision dimensional tolerances, consistent material properties that improve machinability, and a technically savvy service department that solves problems and provides value added-council to reduce your total purchase costs.With over 60 years in the industry, IEI adds value to every step of your supply chain — from custom aluminum extrusion design to just-in-time replenishment. We deliver on the entire process, from 6″ to 10″ extrusion capability, precision cutting, fabrication, welding and finishing through to special assembly services, part analysis and supply chain management.