TRIPARTITE, a total logistic for the maintenance in operational condition of surface vessels, submarines and aircraft carriers. Support for the maintenance in operational condition of surface vessels, submarines. Logistic for hull, machine and bridge. Specific supplies for mine hunters and materials dedicated to the submarine detection, the supply of filters N.B.C.D. and all the needs bound to the maintenance in operational condition of the vessels. Supply of any components and specific needs for all types of vessels in the following fields: electricity, mechanic, electronic, pneumatic, hydraulic, weapon, etc. Parts and Diesel engines of all types, turbo-compressors, shaft lines, reducers, propellers with variable and fixed step. Hoses, couplers, pumps, all hydraulic accessories and components, sacrificial anodes, o-ring, elastomeric seals and derived, flat gasket, manufacturing of cables for data transmission (with test tank 60 bars), acastillage, cables, shackles, hawsers. Study of obsolescence in mechanic, electricity and electronic. Manufacturing according to drawing. Repair of all kinds of equipment (as propeller rebuilding).