- Taco Bell
- TAI-New Jersey
- Taurus Market Research Svc
- Taylor Nelson Sofres Hlthcr
- Taylor Research & Consulting
- Tci Group
- Technologies Research Group
- Technology Business Research
- Technology Ventures
- Technometrica Inc
- Tern Systems Inc
- Test America
- Test Track Research Inc
- Three States Interviewing Svc
- Tide Watch Partners LLC
- Tiller Research Inc
- Tip Research Inc
- Tkl Research Inc
- Tmr Inc
- TNS
- TNS Intersearch Corp
- TNS Market Research
- Topaz Corp
- Touch Poll Las Vegas
- Touchpoll Meridian
- Trade Inflo
- Trend Research LTD
- Trends
- TTC Research
- Turtle Bay Institute
- Ultimate Technology
- Unisearch Partners
- Unisearch Partners
- Unisearch Partners
- Universal Survey Research LLC
- US Research Co
- USA Direct Inc
- V S Research
- V S Research LLC
- Vaga Field Svc & Demos
- Van Ryn Assoc
- Vanguard Research & Consulting
- Vector-Test Marketing
- Venture System Design Inc
- Vi Ma Rc
- Victoria Research
- Viewpoint Research
- Viewtech Market Research
- W 5
- W H Long Marketing Inc
- W K Greene & Assoc
- W K Greene & Assoc
- Wallace & Washburn Inc
- Warehouse Products Testing
- Wats Room
- Watson Research LTD
- Wayfinder Direct
- Wedewer Group
- Weidner Burroughs & Assoc
- Weiler Information Svc
- WEIS Market Analysis
- Westat
- Westgate Research Inc
- Whittaker Associates Inc
- Widener-Burrows & Assoc
- Wiese Research Assoc Inc
- Wiese Research Assoc Inc
- Wild Wood Communications
- Wirthlin Worldwide
- Wirthlin Worldwide
- Yankee Group
- Yankelovich Partners
- Yankelovich Partners
- Young Associates
- Zeldis Research Assoc
- Zenith Research Group Inc
- Zurich Associates Inc
