EXHIBIT 21
The Interpublic Group of Companies, Inc.
Our principal subsidiaries as of December 31, 2014, 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 | |
| Gillespie, Inc. | Delaware | |
| Golin/Harris International, Inc. | Virginia | |
| Huge, LLC | New York | |
| Independent Advertising, Inc. | Delaware | |
| Interpublic Australia Partnership Holding Two LLC | Delaware | |
| Interpublic SV Ventures, LLC | Delaware | |
| Interpublic, Inc. | New Jersey | |
| Lowe & Partners/SMS Inc. | New York | |
| 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 | |
| Octagon, Inc. | District Of Columbia | |
| Orion Trading Worldwide LLC | New York | |
| Torre Lazur Healthcare Group, LLC | New Jersey | |
| True North Communications Inc. | Delaware | |
| Universal McCann Worldwide, Inc. | Delaware | |
| Company Name | Country | |
| Interpublic Group Deutschland GmbH | Germany | |
| Interpublic Group of Companies Canada, Inc. | Canada | |
| Interpublic Group of Companies de Espana, S.L. | Spain | |
| Interpublic Group of Companies Holding (Luxembourg) S.a.r.l. | Luxembourg | |
| Interpublic Limited | United Kingdom | |
| IPG Advertising Israel Holdings Ltd | Israel | |
| IPG Mediabrands (HK) Limited | Hong Kong | |
| MacLaren McCann Canada Inc. | Canada | |