| Company Name | Street | Suite | City | St | Zip | Phone | Fax | Website |
| American Security & Communications | 7348 Georgia Ave NW | Washington | DC | 20012 | (202) 829-7327 | (202) 291-7348 | www.ascprotects.com | |
| Urban Alarm | 5505 Connecticut Ave NW | Ste 306 | Washington | DC | 20015 | (202) 265-2700 | www.urbanalarm.com | |
| SFC Systems Inc | 4201 Massachusetts Ave NW | Ste 2065 | Washington | DC | 20016 | (202) 362-6207 | (202) 966-8492 | www.sfc-systems.com |