Control systems for rotating equipment; custom manufacture of gas turbine cleaning solutions; custom manufacture of auxiliary systems for industrial equipment; custom manufacture of parts for rotating and industrial equipment; custom manufacture electro-mechanical skids, hydraulic skids, gas turbine auxiliary skids, transformers, hydraulic controls for machines, hydraulic torque converters, hydraulic power units, hydraulic pumps, centrifugal pumps, gears, and electric control panels; machine shop services, namely, machining parts for others in the fields of hydraulic pumps, hydraulic motors, hydraulic cylinders, hydraulic valves, servo valves and proportional valves; manufacture of hydraulic cylinders to order and/or specification of others; manufacturing services for others in the field of hydraulic cylinders, none of the foregoing for use in the nuclear technology, nuclear energy, nuclear power, and integrated thermal energy storage systems