ප්‍රවර්ගය:Organizations based in Washington, D.C.

Organizations based in Washington, D.C. හා සබැඳි මාධ්‍ය විකිමාධ්‍ය කොමන්ස් හි ඇත.

This category includes articles on organizations based in Washington, D.C., the capital of the United States. Organizations include, among others, voluntary associations and 501(c) non-profit organizations; companies and for-profit organizations, religious organizations, and so on, are also appropriate.