With 3000+ employees providing security services across the nation, DSI is the safest choice you can make

MPSS is a Certified WBE, small business located in Knoxville, TN specializing in security services.  Some of our services include:  Pre-employment, Pre-Clearance and Background Checks; Surveillance and undercover investigations; Administrative Security;  Armed and unarmed contract security guard services; General Gunsmithing; Drug Testing; Security and threat assessments; Security electronics, including access control and CCTV systems, provided through internal and external resources; Security Planning and Testing; Auditing; Procedure Writing and Reviews; Educational & Training Video Production; Logistic Assessment; Strategic Planning ; and Secure Cleaning Services.