Thompson Media Group, LLC, originally established as Thompson Publishing Group, Inc. was founded in 1972 by Richard E. Thompson. Thompson Media Group is an American privately held media company that specializes in providing compliance, regulatory, and market information through its four operating units: Thompson Information Services, The Performance Institute & American Strategic Management Institute, AHC & BioWorld, and Sheshunoff Information Services, A.S. Pratt, & Alex Information (collectively, SIS). Thompson Media Group, LLC, is based in Washington, DC. Thompson Media Group LLC established their name during reorganization in 2011.