CENTRAC DC, LLC

Marketing Research Affiliations:

Marketing Research Association:    http://www.mra-net.org

American Marketing Association:   http://www.marketingpower.com

Pharmaceutical Marketing Research Group: www.pmrg.org

World Opinion:   http://www.worldopinion.com

ResearchInfo.com:   http://www.researchinfo.com

Market Research Portal:   http://www.marketresearchworld.net

Quirk's Marketing Research Review:   http://www.quirks.com