Fives Group, headquartered in Paris, France, is an industrial engineering group founded in 1812 that designs and supplies machines, process equipment and production lines for the world's largest industrial groups including the aluminum, steel, tube and pipe, glass, automotive, aerospace, logistics, cement, and energy sectors. Summary: The main function of a maintenance supervisor is to establish, implement, and maintain long-range plans for improvement of maintenance activities and provide technical assistance to the manufacturing departments supported.