For over 50 years, Master Security has provided outstanding security services for state and federal government agencies and private enterprises. Established in 1957 as Master Detective Agency, the company originally earned a reputation for its detective work. In 1985, we became Master Security to better reflect the nature of the companies diversified security operations.We specialize in the security business. That's our only business, and that's the reason for our continued growth. Experience, commitment, innovation, and follow-through always characterize Master Security's performance. Our personalized and responsive approach to security management guarantees you will receive outstanding service in a close working partnership to accomplish your mission.