American Red Cross
American Trucking Association
American Association of People with Disabilities
AMTRAK
CSI
Cedar Hill Office Park
Dole Foundation
Equal Employment Advisory Council
Epilepsy Foundation
The Metropolitan Mental Health Plan
Metropolitan Washington Airports Authority
Job Corps
Linden at Fair Ridge, A Condominium
MCI
National Institutions of Health
The Washington Institute

National Center for Black Philanthropy
National Institutes of Standards and Technology
National Rural Electrical Cooperative Association
NCS
North Oak Professional Park
Pace
Pacific Scientific
Presidents Council
SIRC
Smithsonian Institute
Standford Paper Company
Tandem Development Corporation
United States Postal Service
United States Census Bureau
United States Department of Agriculture
Wood Quality Control Council
World Summit Group