- Tripp, McMahon and Squier2
- UMC Group2
- United States. Congress. Commission on Security and Cooperation in Europe2
- World Institute on Disability2
- Alfano Productions1
- Auna, Danielle1
- Banks, Roberta1
- Benchmarketing Associates1
- Blanck, Peter David, 1957-1
- Breyer, Stephen G., 1938-1
- Bristo, Marca1
- Burginer, Ipo1
- C-SPAN (Television network)1
- Captured Light Studio, Inc.1
- Chandler Media1
- Chief justiceships of the United States Supreme Court1
- Chris Mottola, Inc.1
- Clinton, Hillary Rodham1
- Cohen, William S.1
- Dan Frazier Productions1