| Business | Phone |
| Asatco 1015 31st St Nw # 200, Washington 20007 | (202) 342-6640 |
| Barry Security Inc 750 1st St Ne # 940, Washington 20002 | (202) 289-2599 |
| Capitol Care Inc 913 U St Nw, Washington 20001 | (202) 234-6284 |
| City Security Consultant Corp 2010 Kendall St Ne, Washington 20002 | (202) 635-2968 |
| Albert Corbi 4268 Wisconsin Ave Nw, Washington 20016 | (202) 484-9500 |
| Ideal Electronic Security Co 2900 V St Ne, Washington 20018 | (202) 635-6300 |
| Imagis Technologies Inc 725 15th St Nw, Washington 20005 | (202) 628-7817 |
| J & D Consultants 11 Dupont Cir Nw # 300, Washington 20036 | (202) 667-8008 |
| Liberty Security Conslnt Inc 3807 Minnesota Ave Ne, Washington 20019 | (202) 388-1559 |
| Rgi 725 15th St Nw, Washington 20005 | (202) 628-2460 |
| Securities Document Svc Inc 450 5th St Nw, Washington 20001 | (202) 628-4721 |