Metal Pushbutton Switches | Electronic Components Manufacturer | ITW Lumex Switch. ITW EBA has over 50 years of experience in switches, fasteners, dampers, connectors, and IC package solutions. Well-known product brands include ITW Lumex Switch (Push Button Switches, Touch Switches, Micro Switches), ITW ERG Components (DIL Switches), ITW Fastex, and ITW ECPS. The coordination of our corporation's resources with the skill and ingenuity of our engineers provides customers with ITW advantages.