Onyx Industries Designs & Builds Indicator Stack Lights for industrial & heavy machinery use. Our units feature rugged metal shell housings, ultra bright long life LED's and highly flexible mounting/wiring configurations. Units are made in the USA at our manufacturing facility in Hastings MN. We provide engineered solutions with our products when requested (examples might include Indicator Alarm Systems for Low Material Roll Sensing, Batch Counting, Temperature Monitoring, etc). Our history is in Discrete Systems & Motion Control Integration, which we are still actively involved in utilizing Ctc, Horner Electric, Copley Controls, Telemecanique motion, Emerson Motion, and Baldor Motion Controls.