Walden Security
Security and InvestigationsTennessee, United States1001-5000 Employees
Walden Security operates in the security and investigations sector, providing contract security guard services to commercial properties, government facilities, and residential communities. The company emphasizes quality and consistency through an ISO 9001:2015 certified Quality Management System, and is recognized for business excellence and workforce satisfaction. Based in Chattanooga, Tennessee, it is the fourth-largest security firm in the United States and maintains a nationwide footprint. Walden Security is a WBENC-certified Women’s Business Enterprise and employs more than 8,500 security professionals across 49 states, Washington, D.C., and several U.S. territories including the U.S. Virgin Islands, Guam, and Puerto Rico. The organization has earned industry recognition, including a 5-Star Employer Award from VETS Indexes and a Top 100 Award from Training Magazine in 2026, reflecting its emphasis on veteran hiring and ongoing professional development.