| Business | Phone |
| Bookman Resources Inc 5512 Trent St, Chevy Chase 20815 | (301) 986-0512 |
| G B F Training Systems 8812 Altimont Ln, Chevy Chase 20815 | (301) 654-1735 |
| International Institute-Object 6612 Kennedy Dr, Chevy Chase 20815 | (301) 215-7377 |
| Katherine Green Consulting 3205 Coquelin Ter, Chevy Chase 20815 | (301) 529-8219 |