The company was founded in Luxembourg in 1912. In the first few years the company dealt with the production of power supplies to portable consumers, especially for cranes in steelworks and smelting works. Later with slip ring assemblies for rotating devices and pantograph systems for rail. Based on creativity in development, customer-oriented quality thinking and reliable production technologies, the company's business areas have been gradually expanded since the mid-1980s. Today, Stemmann-Technik is one of the world's leading manufacturers of components and systems for energy and data transfer in industrial and transport technology, organized and certified according to the international DIN ISO 9001 and IRIS standards. Stemmann-Technik GmbH is now part of the Wabtec Corporation. Slip rings, conductor lines, cable trolleys, stinger systems, cable reels, spring cable reels, pantographs, grounding contacts, third-rail pantographs, mechanical engineering, electrical engineering, energy technology, shore power supply, cold ironing, container ships, cruising ships, wagons slip ring bodies, transformer slip ring bodies, slip ring assemblies, roof current collector, earthing contact, frost earthing contact, third rail, ground contacts, shoegears, crane, SCL, SACL, SICL, Line aluminum, wind turbine, shoe gear, crane systems, Pod crane system, POD drive, ICE DSA roof mounted local traffic, long-distance traffic roof mounted movable collector head, Variopanto, Interoperable pantograph for cross border travel, panto300, panto420, panto, charging, ChargingPANTO, ebus charging, FerryCHARGER, charging vessels, charging ferries, shore power, on shore power, cold ironing, OSP, , ferry-boat, container ship, ship, cruiser,