- Alex Brown & Sons
- American Chemical Society
- American Gas Association
- American Management System
- American Psychiatric Association
- American Railroads
- American Red Cross
- American University
- Anti-Defamation League
- Assn. Builders & Contractors
- Assoc. of Public Hospitals
- AT&T
- Austrian Embassy
- Babcock & Wilcox
- Baltimore Museum of Art
- Barnes, Morris & Pardoe
- Bell Atlantic
- Booz Allen & Hamilton
- British Aerospace
- Caplan & Drysdale
- Carey International
- Carlyle Group
- Congressional Arts Caucus
- Congressional Quarterly
- Coopers & Lybrand
- Corcoran Gallery of Art, The
- Creative Campaigns
- Democratic National Committee
- Department of Education
- Discovery Communications
- Eastman Kodak
- First National Bank of MD
- Food & Drug Law Institute
- Franklin National Bank
- Freedom Forum Newseum
- General Electric
- Georgetown University
- GTE Corporation
- Harris & Thomas
- Heritage Foundation
- IBM
- ICF Kaiser International
- Intelsat
- ITT
- John Akridge Company, The
- Kaiser Permanente
- Library of Congress
- Lockheed Martin
- Macy’s
- Martin Marietta
- McDonnell Douglas
- MCI
- Washington Airports Authority
- Mobil Oil
- Mobile Oil Corporation
- Morgan Stanley Dean Witter
- National Air & Space Museum
- National Aquarium at Baltimore
- National Assoc. of Home Builders
- National Assoc. of Realtors
- National Gallery of Art
- National Portrait Gallery
- National Museum of Women in the Arts
- National Science Foundation
- National Symphony Orchestra
- Neiman Marcus
- Nordstrom
- NRCC
- Peat, Marwick & Company
- Phillip Morris
- Potomac Group, The
- Price Waterhouse
- Psychiatric Institute
- Republican Eagles
- Republican Senatorial Trust
- Saks Fifth Avenue
- Sentel
- Squire, Sanders & Dempsey
- Smith Barney
- Smithsonian Institution
- Southwestern Bell
- Spaulding & Slye
- System House Pharmaceutical
- System Planning Corporation
- The Lab School
- T. Rowe Price
- Time, Inc.
- T.V. Answer
- United Technologies
- U.S. Department of State
- U.S. Postal Service
- U.S. West
- Virginia Hospital Center
- Walters Art Gallery
- Washington Adventist Hospital
- Washington Board of Trade
- Washington Hospital Center
- Washington Inc.
- Washington Institute
- White House, The
- World Space Congress
- WRC-TV/NBC
- YPO
