| YANKELOVICH PARTNERS INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jan 21, 1993 | Withdrawn |
| FUSION FIVE, INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Jan 21, 1994 | Merged |
| OSPREY COMMUNICATIONS, INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Oct 28, 1994 | Merged |
| PUBLIC STRATEGIES, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Dec 1, 1998 | Withdrawn |
| MILLWARD BROWN, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Nov 6, 2000 | Withdrawn |
| YANKELOVICH PARTNERS INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Sep 18, 2001 | Withdrawn |
| THE OGILVY GROUP, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Sep 23, 2002 | Withdrawn |
| INTERNATIONAL MEETINGS & SCIENCE INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Apr 12, 2004 | Withdrawn |
| KANTAR HEALTH INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Oct 25, 2007 | Withdrawn |
| YANKELOVICH PARTNERS LLCLocation not reported, CT · Cancelled | Location not reported, CT | LLC | Jan 19, 2010 | Cancelled |
| TNS NORTH AMERICA, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Dec 28, 2010 | Withdrawn |
| COMPETE, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jan 19, 2012 | Withdrawn |
| ACTION HOLDINGS, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jan 8, 2013 | Withdrawn |
| THE LACEK GROUP LLCLocation not reported, CT · Withdrawn | Location not reported, CT | LLC | Apr 8, 2013 | Withdrawn |
| KNOWLEDGEBASE MARKETING, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Nov 27, 2013 | Withdrawn |
| OSPREY COMMUNICATIONS LLCStamford, CT · Merged | Stamford, CT | LLC | Dec 9, 2013 | Merged |
| GHG GREYHEALTH GROUP LLCLocation not reported, CT · Withdrawn | Location not reported, CT | LLC | Feb 14, 2014 | Withdrawn |
| TNS US, LLCLocation not reported, CT · Cancelled | Location not reported, CT | LLC | Mar 6, 2014 | Cancelled |
| TNS NORTH AMERICA, LLCLocation not reported, CT · Cancelled | Location not reported, CT | LLC | Mar 7, 2014 | Cancelled |
| THE FUTURES COMPANY WORLDWIDE, LLCLocation not reported, CT · Withdrawn | Location not reported, CT | LLC | Mar 7, 2014 | Withdrawn |
| THE OGILVY GROUP, LLCLocation not reported, CT · Withdrawn | Location not reported, CT | LLC | Mar 17, 2014 | Withdrawn |
| WPP GROUP USA, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | May 21, 2014 | Withdrawn |
| KBM GROUP LLCLocation not reported, CT · Cancelled | Location not reported, CT | LLC | Jun 17, 2014 | Cancelled |
| OGILVY COMMONHEALTH MARKET ACCESS, LLCLocation not reported, CT · Withdrawn | Location not reported, CT | LLC | Oct 9, 2014 | Withdrawn |
| DYNAMICLOGIC, LLCLocation not reported, CT · Cancelled | Location not reported, CT | LLC | Jan 20, 2015 | Cancelled |
| INSIGHT MEDICAL COMMUNICATIONS INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Mar 16, 2015 | Withdrawn |
| WPP GROUP HOLDINGS CORP. IILocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Mar 16, 2015 | Withdrawn |
| WUNDERMAN DATA MANAGEMENT, LLCLocation not reported, CT · Withdrawn | Location not reported, CT | LLC | Jan 6, 2016 | Withdrawn |
| YOUNG & RUBICAM INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Feb 22, 2017 | Withdrawn |
| DESIGN BRIDGE NEW YORK, LLCLocation not reported, CT · Withdrawn | Location not reported, CT | LLC | Feb 5, 2018 | Withdrawn |
| BENENSON STRATEGY GROUP, LLCLocation not reported, CT · Withdrawn | Location not reported, CT | LLC | Jul 5, 2018 | Withdrawn |