This industry comprises establishments primarily engaged in systematically gathering, recording, tabulating, and presenting marketing and public opinion data.

Cross-References. Establishments primarily engaged in--

• Providing research and analysis in economics, sociology, and related fields--are classified in Industry 541720, Research and Development in the Social Sciences and Humanities; and
• Providing advice and counsel on marketing strategies--are classified in U.S. Industry 541613, Marketing Consulting Services.