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.

Check Collect, Inc.

Select Payment Processing, Inc.

RPM Intelligence, LLC

Tangent Analytics, LLC

Margin Maximizer, Inc. dba USBA

Gladiator Technology Services, Inc.

Audiotel Corporation

Jack Henry International, Ltd.