1 EXHIBIT 21.1 SUBSIDIARIES OF THE COMPANY State or Jurisdiction % of Voting Securities Under the Law of Name Owned Which Organized Subsidiaries of National Processing, Inc. National Processing Company, LLC 100% Ohio NPC International S.A. de C.V. 99.6% Mexico NTA, Inc. 100% Washington Financial Processing Company, LLC 100% Ohio Caribbean Data Services, Ltd. 100% Delaware Northwest Traffic Associates, Inc. 100% Washington JBH Travel Audit Inc. 100% Colorado NPC International (Barbados) Holdings Limited 100% Barbados NPC International (Barbados) Limited 100% Barbados NPC International (Jamaica) Limited 100% Jamaica NPC International (Dominican Republic) S.A. 100% Dominican Republic National Processing Company International (Fiji) Limited 100% Fiji National Processing Services, Incorporated 100% Ohio