| After Dark Entertainment | 202-408-7931 | 1110 4th St NW | Washington | DC | 20001 |
| Alarm Security Systems | 202-232-0469 | 1712 14th St NW | Washington | DC | 20009 |
| Alert Security Systems | 202-783-1025 | 1003 K St NW | Washington | DC | 20001 |
| Ccs Communication Control Inc | 202-682-5380 | 1420 K St NW | Washington | DC | 20005 |
| Emergency Security Nine Eleven | 202-546-1870 | Washngtn Dc | Washington | DC | 20003 |
| Guardsmark Inc | 202-887-5355 | 1730 Rhode Iscand Ave NW | Washington | DC | 20036 |
| Hawk One Security Inc | 202-371-9387 | 1112 11th St NW | Washington | DC | 20001 |
| Miles Glass Company Inc Branch | 202-544-1234 | 8th St & Va Av SE | Washington | DC | 20002 |
| Nasfm | 202-737-1226 | 1319 F St NW | Washington | DC | 20004 |
| Rufus Auto Body & Painting | 202-529-5600 | 2902 Bladensburg Rd NE | Washington | DC | 20018 |
| Sure-Fit Lock & Safe Co | 202-296-4710 | 8213 Fenton St Sil Spg Md | Washington | DC | 20036 |
| Technology Enterprise Corp | 202-887-5729 | 2100 Pennsylvania Ave NW | Washington | DC | 20418 |
