Navios South American Logistics Inc. is a provider of river transportation on the Inland Water Ways (IWW) of the Paraguay-Paraná Rivers. With a fleet of more than 250 barges and 20 well equipped push-boats on the river, the firm also operates sea-going product tankers. Recently they have repowered the first of their push boats, the 30 by 9.5 by 2.7-meter Tomas Romero Pereira, in Paraguay at the Shipyard Aguapé of Asunción city. The IWW Paraná-Paraguay is the most important waterway in South America after the Amazon river system.