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Our Heritage

TVG was founded as a private company in 1979 as Richard B. Vanderveer and Associates.  In 1983, the company began to trade under The Vanderveer Group name, and in 1995, began using the name TVG.


In May 1999 TVG was acquired by PDI (originally Professional Detailing, Inc.), a contract sales organization (CSO).  PDI sold this division of their Marketing Services subsidiary to Karen M. Fender in August 2010, and it has operated as an independent company since that time.  Karen had been in a leadership role at TVG for five years prior to purchasing the company.  TVG formally re-started as TVG Marketing Research & Consulting, LLC on September 21, 2010, retaining the senior managers and key Project Directors. 


The history of TVG, Inc. is a long and respected one.  It is one of the leading market research companies engaged by many healthcare related companies, large, mid-size and emerging to provide research data in support of key business decisions.  The current professional staff possesses more than 200 years of market research experience, and brings to bear a broad background in qualitative and quantitative research expertise, strategic consulting and training.





Our Current Location

604 General Washington Ave.
Valley Forge Business Center

West Norriton, PA 19403