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For over 55 years, GreenBook has served as a trustworthy guide for buyers of marketing research. Insights professionals from thousands of organizations come to GreenBook to find the most accurate and up-to-date information on over 1,500 global market research vendors.
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Access comprehensive vendor information in a structured format that enables you to easily compare research agencies and make decisions more efficiently. View detailed information about products, areas of specialization, services and related documentation, articles, case studies, and more.
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