- Rainville, Harold2
- Redford, Robert2
- Reich, Alan A.2
- Reid Strategies2
- Reid, Harry, 1939-20212
- Republican National Committee (U.S.)2
- Ribicoff, Abraham, 1910-19982
- Rindy and Associates2
- Ringe Media2
- Ringler, Arthur H.2
- Rivers, Ralph Julian, 1903-19762
- Rockefeller, Nelson A. (Nelson Aldrich), 1908-19792
- Roe, Robert A., 1924-20142
- Rosenbaum, William E.2
- Ross Advertising2
- Rotterman and Associates2
- Rozier Advertising2
- Rudman, Warren B.2
- Russo, Marsh and Associates, Inc.2
- Ruttenberg, Stanley H. (Stanley Harvey), 1917-20012
