| A-Star Research, Inc. | | Conducts telephone, internet and mail surveys on behalf of businesses and organizations. |
| ACNielsen | | Provides market research, information and analysis to the consumer products and service industries worldwide. |
| Adams Market Research | | Provider of on and off-premise market research services for the alcoholic beverage industry. |
| ADF Marketing and Opinion Research | | Helps to define a research problem, develop a questionnaire and select a research methodology. Services also include data collection, processing and reporting. |
| AdvanceTech Monitor | | Provides information on business and technology issues. Develops product portfolios including industry reports, customized industry studies and industry events. |
| Advanis | | Offering market research and analysis. |
| AMA Research | | Provides market reports covering the building and home improvement industries. |
| America's Research Group | | A consumer research and strategic marketing firm, offering full-service marketing research capabilities across North America. |
| Angus Reid Consultants | | A partnership dedicated to understanding public opinion around the world. Provides a daily summary of published polling results, as well as specialized advice and assistance. |
| Applied Marketing Science | | Help companies understand the needs of their customers and translate those needs into superior new product and service designs using QFD and Voice of the Customer. |
| Ariadne Report Finder | | Gives free access to executive summaries of market reports. The reports are available at discount prices and are dispatched immediately. |
| Audience Profiler | | Research firm providing customized traditional and online research, panel development and focus groups, usability tests, and analysis. |
| B2B International | | A market research agency specialising in business to business marketing research. |
| Balaban Market Research Consulting, LLC | | Advising on branding, advertising, pricing, and market segmentation. Includes information for the healthcare and pharmaceutical industries, as well as testimonials. |
| Blarry House Research | | A marketing research company which specializes in the organization of focus groups on a nationwide basis. |
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