- Lake, J. H.1
- Library of Congress. Legislative Reference Service. American Law Division1
- McNally, Temple Associates, Inc.1
- Mead, James M. (James Michael), 1885-19641
- Media Strategies and Research3
- Modern Videofilm1
- Morris and Carrick1
- Morris and Carrick, Inc.24
- Morris and Carrick, Inc..1
- National Voter Contact1
- Naval Petroleum Reserves in California (U.S.)8
- Patterson, Robert Porter, 1891-19521
- Penn and King Communications, Inc.1
- Politics, Inc.3
- Powell and Weber Inc.1
- Roosevelt, Franklin D. (Franklin Delano), 1882-19452
- Roy Fletcher, Inc.1
- Scott, Howell and Company Inc.1
- Seder and Laguens, Inc.3
- Shrum Devine Donilon1