(C-TPAT) is a voluntary supply-chain security program led by U.S. Customs and Border Protection (CBP) focused on improving the security of private companies’ supply chains with respect to terrorism. The program was launched in November 2001 with seven initial participants, all large U.S. companies. As of December 1, 2014, the program had 10,854 members.[1] The 4,315 importers in the program account for approximately 54% of the value of all merchandise imported into the U.S.