Cornerstone Research and Marketing, Inc., an internationally recognized full service marketing research firm, was established in 1989 by Rhonda Ried. Cornerstone's objective is to provide our clients with high quality, usable market information economically and quickly.
Comprised of experienced professionals, Cornerstone has conducted research studies for thousands of local, national and international companies. Our services and products have become the "cornerstone" of many successful companies' marketing and sales programs.
Cornerstone Research and Marketing NEVER solicits for Mystery Shoppers via email. We are aware of someone using our name in an attempt to scam the general public and have been working with the proper authorities on this matter. Thank you!