SPI is the most important private shipyard nationwide. Its headquarters are located in the Port of Mar del Plata. It has its own facilities for construction, repairs and transformations. Its two floating docks allow it to simultaneously carry out several repair and/or transformation work vessels od different sizes. It has also synchronous elevator, a 2900 m2 transfer system, two ship of construction and repair warehouses: one of 2500 m2 with a gantry (5 tons) and a semi-gantry  (20 tons), and  another of 1200 m2 with two overhead cranes (20 tons each) which can work together.

In addition, it has a ten slipways for the repair and construction of ships with an area of 8000 m2, in which there are two gantries (one of 40 tons and the other of 15 tons).

SPI Alnavi is the most modern shipyard specialized in the serial construction of barges, on the Vía Navegable Troncal. It is located close to the Paraná River, close to the city of Campana (Province of Buenos Aires). It has an area of ​​22,000 m2. It stands out for its construction capacity: one barge per week.

Design, engineering, construction, repair, transformation and maintenance of barges:

• Container Ship Barges.
• Barges for Bulk Transport.
• Barges for the Transport of Hydrocarbons.

Originally designed for barge construction, SPI ALNAVI incorporated in August 2017 a new floating dock, the "Don Severino C", thus expanding its ability to offer quality to the market. This hauling system for dry repairs allows lifting up to 450 tons and operating with vessels up to 50 meters in length.

Astilleros Patag & oacute; nicos Integrados S.A. (APISA) is a shipyard that has sufficient capacity for the repair, maintenance and construction of different types of ships and naval devices.
It currently has its own hauling system (railway), which allows you to operate vessels of up to 800 tons, even having enlistment services.
It also has an enlistment dock of 150 meters in operational length with services, fire pumps, removal of hydrocarbons with final disposal / reception of fuels, electricity supply, drinking water.
At the same time, the project of a synchronous elevator with a capacity of 10,000 tons, of 134.5 meters is under development. . long and 32.30 mts. wide.