Mosdorfer GmbH

Mosdorfer GmbH is an international manufacturer and supplier of high-voltage overhead transmission line fittings and damping systems headquartered in Weiz, Austria. The company specializes in the in-house design, engineering, hot-dip galvanizing, and production of suspension and tension insulator sets for electrical grid infrastructure. Serving power utilities and energy infrastructure contractors globally, its product portfolio includes vibration dampers, spacer dampers, and overhead line accessories suitable for voltage levels up to 1,200 kV AC and 750 kV DC. As part of the Knill Group's Energy Systems division alongside brands like Damp and Lorünser, Mosdorfer delivers custom line hardware engineered to withstand extreme environmental conditions such as arctic cold, desert heat, and severe wind loads. The firm offers specialized services including advanced simulations, field testing, real-time vibration measurements, and complete custom fittings development. With manufacturing and sales subsidiaries spanning Austria, the United States, Switzerland, the United Kingdom, India, Thailand, Slovakia, Croatia, and Australia, Mosdorfer supports major high-voltage direct current (HVDC) and alternating current (HVAC) projects worldwide. Electrical grid developers rely on Mosdorfer for high-quality overhead line components, robust vibration protection systems, and reliable transmission network solutions.