Penn-Elcom Hardware   Penn-Elcom MSB   Penn-Elcom Racking   Penn-Elcom Trussing Penn-Elcom is the worlds leading manufacturer of hardware for roadcases , speaker cabinets and amplifers. Penn-Elcom also manufactures an extensive range of rack equipment including 19” panels, drawers, shelves etc. Also the MSB range of “Modular Stage Boxes” and Lighting Trusses.