Derek Allen

Part of Nielsen Consumer LLC, GfK Custom Research, Inc. is a market research firm. The company is based in Minneapolis, MN. GfK Custom Research was acquired by GfK SE, part of Nielsen Consumer LLC from July 11, 2023 on December 21, 1999.

Market Probe, Inc. provides marketing research and consulting services. It offers strategic guidance and business solutions. The firm continues research and development efforts in customer retention forecasting systems, resource allocation optimizers, key driver analysis, linkage models, and data mining software. The company was founded by Tanniru R. Rao in 1976 and is headquartered in Milwaukee, WI.

Research International USA Inc. provides market research services like branding, consumer relationships, conducting ad hoc research projects, large scale tracking studies and internet research. The firm also provides custom market research services covering such issues as consumer insight, innovation and new media. It serves automotive, energy and utilities, financial services, health care, retail and technology industries. The company is headquartered in Chicago, IL.