| Business | Phone |
| Defense Group 1140 Connecticut Ave Nw, Washington 20036 | (202) 625-1234 |
| Iris Corp 236 Massachusetts Ave Ne, Washington 20002 | (202) 544-2130 |
| L2000 Business Solutions Inc 1306 Pennsylvania Ave Se, Washington 20003 | (202) 546-2100 |
| Aero Defense Products 5335 Wisconsin Ave Nw # 440, Washington 20015 | (202) 274-0225 |