According to our records, this business is located at 422 Fleming St. in Key West (in Monroe County), Florida 33040, the location GPS coordinates are: 24.5555977 (latitude), -81.8031674 (longitude). DSI Security Services is categorized under Protective Services, Guard (SIC code 7381). Known organization manager is Billy Strewoeps. You can contact the company by phone at (305) 295-0606.