Many corporations feel a sense of responsibility to give back. The following corporations have either direct giving programs, foundations, sponsorship programs, in-kind donations, product donations, volunteer programs, or matching gift programs.
| Title | City of Headquarters | 
|---|---|
| Atlantic Services Group, Inc. | Washington | 
| D.C. United | Washington | 
| Siemens Corporation | Washington | 
| Washington Gas Light Company | Washington | 
| Washington Real Estate Investment Trust | Washington | 
| Wilmer Cutler Pickering Hale and Dorr LLP | Washington |