Fireline Corporation has the experience and expertise that can help save you, your business, and your employees from the dangers of fire. Founded in 1947, Fireline is a company committed to excellence in providing professional fire protection equipment and services in the mid-Atlantic regions of Maryland, DC, Northern Virginia, and parts of Pennsylvania. Fireline offers Totally Integrated Protection Solutions. This means that Fireline can provide your company with every form of fire protection you might need, and in every stage - from design to installation to inspection and repairs, Fireline has you covered.