C3i

C3i Solutions is a multi-channel customer engagement service provider, focusing on global, high-touch consumer, patient, and end-user management. Over the past 35 years, our unique multi-channel approach and experience in highly regulated industries have made us the preferred partner for some of the world’s most trusted brands. With a strategic focus on innovation, we excel in protecting our clients' brands while maximizing productivity and cost efficiency. C3i Solutions is the trade name of Telerx Marketing, Inc., and is part of Healthcare Services & Solutions, LLC, a wholly-owned subsidiary of Merck & Co., Inc., located in Kenilworth, New Jersey, U.S. (known as MSD outside the U.S. and Canada), with its headquarters in Horsham, Pennsylvania.