Since 1970, DMD Locks has been a family owned, full service Locksmith company providing personalized sales with a focus on customer service. We've been trained to secure and protect your home, and business. We specialize in high security key systems, access control systems and maintaining computerized master key systems for office buildings, management companies, and large industrial complexes. Member of the Greater Philadelphia Locksmith Association and the Associated Locksmiths of America. Please call for more information! Justin D. Trueland President Locksmith Licensed & Insured