Washington Area Metropolitan Transit Authority
Potomac Electric Co.
Washington Suburban Sanitation Commission
American University
AT&T
Clark Turner
Colonial Williamsburg Foundation
Metro Mobile, Inc.
County of Fairfax
Farr Asset Management Corporation
Hebrew Home of Greater Washington
Legum and Norman
Lehigh Portland Cement
Lerner Corporation
McDonald's Corporation
U.S. Naval Academy
National Institutes of Health
Department of Veteran Affairs