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Welcome to ARNOLD Group

The ARNOLD Group was founded 1949 in Germany and employs approximately 365 staff members at 16 branches all over the world.

With more than 600 installed Insulation Systems on heavy duty gas and steam turbines, ARNOLD is the global leader in designing, manufacturing and installing the most efficient and reliable Single Layer Turbine Insulation Systems.

Furthermore the ARNOLD Field Service Division is capable to Overhaul and maintain all types of SIEMENS V-Unit Gas Turbines.