Exhibit 21.1

Jack Henry and Associates, Inc. Subsidiaries

Jack Henry & Associates, Inc.

Jack Henry Services, L.P.

Jack Henry Systems, L.P.

Jack Henry Software/Commlink, L.P.

Symitar Systems, Inc.

System Legacy Solutions, Inc.

Check Collect, Inc.

Select Payment Processing, Inc.

E-ClassicSystems, Inc.

Banc Insurance Services, Inc.

Banc Insurance Agency, Inc.

Jack Henry ACH, LP

Jack Henry, L.L.C.

Verinex Technologies, Inc.

Optinfo, Inc.

TWS Systems, Inc.

JHA Synergy, Inc.

RPM Intelligence, LLC

Tangent Analytics, LLC

Profitstar, Inc.

Margin Maximizer, Inc. dba USBA

Jack Henry International, Ltd.

Gladiator Technology Services, Inc.

Profitstars, LLC