Crowley is a member of The Puerto Rico Maritime Alliance, which consists of representatives of U.S. flag carriers and labor unions constituting the US Merchant Marine. The Maritime Alliance of Puerto Rico (AMPR) has announced that the GAO Study released yesterday determined the Jones Act does not increase rates or prices for the Puerto Rican consumer. The economic study was requested in 2012 by the resident commissioner, Pedro Pierluisi, and the delegate of the Northern Marianas Island, Gregorio Kilili Camacho Sablan. GAO (General Accountability Office) is the independent non-partisan agency that works for the U.S Congress and its audit, evaluation, and investigative arm.