This document lists individuals and entities designated by the U.S. Department of the Treasury's Office of Foreign Assets Control for supporting Mexican drug trafficking organizations. It identifies Abigael Gonzalez Valencia and Naim Libien Tella as leaders of Los Cuinis drug trafficking organization who have been indicted in the U.S. and designated under the Foreign Narcotics Kingpin Designation Act. Several entities owned or controlled by Gonzalez Valencia and Libien Tella that provide support to Los Cuinis' narcotics activities are also identified and designated.