Signals Defense manufactures specialist shielding films and materials that protect sensitive spaces from radio frequency and infrared detection. Based in Owings Mills, Maryland, the company creates window films, paints, caulks and other products that transform ordinary offices, conference rooms and data centres into secure facilities meeting government security standards. Their technology has been deployed across over 3,000 locations for government agencies, the Department of Defence and major corporations handling classified information. Refer clients to them if they need to secure spaces where sensitive or classified information is discussed or stored.