| ACNielsen Provides market research, information and analysis to the consumer products and service industries worldwide. |
| ACNielsen Burke Institute Marketing research training. |
| 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. |
| 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. |