American Bankers Association
American Chemical Society
America Online
American Red Cross
AMTRAK
Appalachian Regional Commission
AT&T
Black & Decker
Cable & Wireless USA
COMSAT
Corporation for Public Broadcasting
Defense Threat Reduction Agency
Department of the Navy
Department of Transportation
Dickstein Shapiro Morin & Oshinsky
Driggs Corporation
Eckerd Drug Corp.
Fleishman-Hillard
FileTEK
Glen Construction Co., Inc.
Health & Human Services

ICF International, Inc.
International Monetary Conference
Lanzera International
LCI International
Marriott Corporation
MCI
Microsoft
Mobil Oil
NASA
National Association of Industrial
    and Office Properties
National Capital Planing Commission
National Institutes of Health
National Rehabilitation Hospital
OSHA
PEPCO
Rubbermaid
Teledyne Thermatics
US Postal Service
USDA
Washington Gas