The following companies are subsidiares of ACI Worldwide: ACI (Singapore) Pte. Ltd., ACI Australia Pty. Ltd, ACI Global Limited, ACI Payments Inc., ACI South Africa (Proprietary) Ltd., ACI Worldwide (Asia) Pte. Ltd., ACI Worldwide (EMEA) Limited, ACI Worldwide (Luxembourg) S.a.r.l., ACI Worldwide (Mexico) S.A. de C.V., ACI Worldwide (Pacific) Pty. Ltd., ACI Worldwide B.V., ACI Worldwide Corp., ACI Worldwide Luxembourg Holding S.C.S., ACI Worldwide Solutions Private Limited, Applied Communications (Ireland) Limited, Applied Communications (Uruguay) S.A., Applied Communications GPC Limited, Applied Communications Holding GmbH, Applied Communications Inc. U.K. Holding Limited, Distra, Official Payments, Online Resources, PAY.ON AG, Retail Decisions, RevChip, Speedpay, TransSend, Visual WEB Solutions, and Walletron.