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Guardian Bastille proudly serves the entire DMV region—from Western Loudoun County and Northern Virginia to Washington, D.C. and Baltimore, Maryland. For more than two decades, we’ve provided advanced window film and security glazing solutions for government facilities, law enforcement agencies, commercial buildings, and historic properties. Our local projects range from work with the Middleburg Police Department to major installations in the heart of D.C., reflecting our deep experience across this diverse and security-conscious region. Trusted for our precision, professionalism, and reliability, Guardian Bastille continues to set the standard for window film excellence throughout the Mid-Atlantic.