Accudata Integrated Marketing

IHS Markit Inc./R. L. Polk & Co.

Acxiom

INFOGroup

Alesco Data Group, LLC

Infutor Consumer Data Solutions, Inc.

Allant Group

KBM Group/Wunderman Data

Alliant Cooperative Data Solutions

Lexis-Nexis

Anchor Computer

M1 Data & Analytics

BlackBaud

Mailers Haven, LLC

CAC Group

Merkle, Inc.

CBC Innovis

Neustar, Inc.

Central Address Systems (CAS)

OnTarget Data Services, LLC

Compact Information Systems (CIS)

Pitney Bowes

Compass Marketing Solutions, LLC

Rapp Worldwide California, Inc.

Computer Sciences Corporation (CSC)

SourceLink

DataLogix (now owned by Oracle)

Target Base

DataMentors, Inc.

TransUnion

Dun & Bradstreet

USAData, Inc.

EDS Corporation

Valassis/ADVO Systems, Inc.

Equifax, Inc.

V12 Data

Experian Information Solutions, Inc.

Wiland