APC Research, Inc.
Advantage Research, Inc.
The Analytical Group (Chicago, IL)
The Analytical Group (Scottsdale, AZ)
Aspen Media and Market Research

Behavior Research Center, Inc.
Bernett Research

CPI  

CPR
Communications Center Inc. (CCI–FL)

Critical Insights Inc.

Dieringer Research Group, Inc.  

Dimension Research, Inc.  

Discovery Research Group  
 

Fact Finders, Inc.

Flake-Wilkerson Market Insights, LLC  

Foresight Research, Inc.

Harte-Hanks Market Research

Horizon Research International 

Insights & Solutions, Inc.

Luth Research, Inc.  

Market Decisions, Inc.  

Market Probe, Inc.  

Market Probe, Canada  

Market Solutions Group  

Mid-America Research, Inc.  

National Research, LLC

Olson Research Group, Inc. 

Perception Research Services  

Pert Survey Research, Inc.  

Precision Research, Inc.  

Princeton Data Source, LLC  

Q & A Research, Inc.

Ricci Telephone Research, Inc.  

RTNielson Company

Service Strategies International, Inc.

Talmey-Drake Research and Strategy, Inc.  

Target Research Associates

TMR–Colorado  

TMR–New Jersey  

TMR–Pennsylvania (Broomall)

TMR–Pennsylvania (Folsom)

United Marketing Research

Voicentral  

Westgate Research, Inc.  

Wimmer-Hudson Research and Development