EXXELIA Group concentrates its activities on the design and manufacture of customised high technology products : capacitors, filters, precision mechanics, precision potentiometers, slip rings an wound magnetics components......EXXELIA Group concentrates its activities on the design and manufacture of customised high technology products : capacitors, filters, precision mechanics, precision potentiometers, slip rings an wound magnetics components (transformers, inductors, sensors). Exxelia Group currently has approximately 1100 employees across 8 companies and operates 10 manufacturing plants.