Pracownia Badan Spolecznych - Sp. z o.o. in Sopot (PBS Sopot Ltd.) is a private research company, specializing in social and market research.

CBOS conducts research to satisfy the needs of Polish public administration bodies and societies at large, as well as various other interested institutions: local government, the press and television, industry and advertising agencies.

Pentor Institute on-line: social and market reserach company.

Polish Internet site of the Gallup Organization.

Have you had a bad or good experience lately with a company from which you obtained goods or services? Give your opinion today! Have your say! Help others with your opinions on services, products or companies.

Intres Tool is a universal gather information online system that provides organize data from multiple resources.

Social research Bureau "Obserwator": market and social research.

Market Research Agency Opinia is an independent research company, founded in 1996. It specializes in market and public opinion research.

Website about public opinion polls

TNS OBOP (Osrodek Badania Opinii Publicznej)- market and social reserch.