Exhibit 21
U.S. SUBSIDIARIES
Name Incorporated In Doing Business As
Acxiom Asia, Ltd. Arkansas Acxiom Asia, Ltd.
Acxiom CDC, Inc. Arkansas Acxiom CDC, Inc.
Acxiom / Direct Media, Inc. Arkansas Acxiom / Direct Media, Inc.
Acxiom / May & Speh, Inc. Delaware Acxiom / May & Speh, Inc.
Acxiom NJA, Inc. New Jersey KM Lists Incorporated
Acxiom Property Development, Inc. Arkansas Acxiom Property Development, Inc.
Acxiom / Pyramid Information Systems, Inc. California Acxiom / Pyramid Information Systems, Inc.
Acxiom RM-Tools, Inc. Arkansas Acxiom RM-Tools, Inc.
Acxiom RTC, Inc. Delaware Acxiom RTC, Inc.
Acxiom SDC, Inc. Arkansas Acxiom SDC, Inc.
Acxiom Transportation Services, Inc. Arkansas ATS; Conway Aviation, Inc.
INTERNATIONAL SUBSIDIARIES
Name Incorporated In Doing Business As
Acxiom Limited United Kingdom Acxiom Limited
Normadress SA France Normadress
Marketing Technology SA Spain Marketing Technology
Acxiom Australia Pty Ltd Australia Acxiom Australia Pty Ltd