EX-21 6 ipg12311710kex21.htm EXHIBIT 21
EXHIBIT 21
The Interpublic Group of Companies, Inc.
Our principal subsidiaries as of December 31, 2017 are listed below. All other subsidiaries, if considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary under Rule 1-02(w) of Regulation S-X.

Company Name |  | State (U.S.)
Business Science Research Corporation |  | Delaware
Campbell-Ewald Company |  | Delaware
Carmichael Lynch, Inc. |  | Minnesota
Chase Design Holdings, LLC |  | Delaware
Craft Translation, LLC |  | New York
DeVries Public Relations, Ltd. |  | New York
Fitzgerald & Company |  | Georgia
Genuine Interactive, LLC |  | Massachusetts
Gillespie, LLC |  | Delaware
Hello Elephant, LLC |  | Delaware
HG Group, LLC |  | Delaware
Huge, LLC |  | New York
Independent Advertising, Inc. |  | Delaware
IPG Asia & Oceania LLC |  | Delaware
Lowe & Partners Worldwide Inc. |  | Delaware
Lowe Group Holdings, Inc. |  | New York
McCann-Erickson Marketing, Inc. |  | New York
McCann-Erickson USA, Inc. |  | Delaware
McCann-Erickson Worldwide, Inc. |  | Delaware
Mediabrands Worldwide, Inc. |  | California
Momentum Events LLC |  | Delaware
Octagon, Inc. |  | District of Columbia
Optaros, Inc. |  | Delaware
PMK-BNC, Inc. |  | California
Reprise Media, Inc. |  | Delaware
True North Communications Inc. |  | Delaware
Universal McCann Worldwide, Inc. |  | Delaware
Company Name |  | Country
Cadreon Corp. |  | Canada
Interpublic Group Deutschland GmbH |  | Germany
Interpublic Group Netherlands B.V. |  | Netherlands
Interpublic Group of Companies de Espana, S.L. |  | Spain
Interpublic Limited |  | United Kingdom
IPG Advertising Israel Holdings Ltd |  | Israel
Orion Trading Canada Inc. |  | Canada
The Interpublic Group of Companies Canada, Inc. |  | Canada