Granite Security is a diverse security service provider based in Brookeville, Maryland. With more than 15 years of experience, Granite offers security and communications systems designs that meet the customer's needs with premium products, quality installations, and uncompromising service. As a member of the nation-wide Emergency 24 Dealership Alliance, Granite is capable of providing unparalleled security systems monitoring 24 hours a day via a computerized Central Station Network.