Through an ISO® 9001:2015 Certified Quality Management System (QMS), Walden Security has earned an award-winning reputation for business excellence and employee satisfaction through the delivery of contract security guard services to commercial properties, government facilities and residential communities. The 4th largest security firm in the nation, Walden Security is a WBENC-Certified Women’s Business Enterprise (WBE) that employs more than 8,500 security professionals across 49 states , Washington, DC, Virgin Islands, Guam and Puerto Rico. Walden Security is ranked among Inc. Magazine’s America’s Fastest Growing Companies.
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The Walden Security annual revenue was $1.7 billion in 2026.
Julie Chase is the Executive Vice President of Human Resources of Walden Security.
1,318 people are employed at Walden Security.
Walden Security is based in Chattanooga, Tennessee.
The NAICS codes for Walden Security are [561, 56].
The SIC codes for Walden Security are [73, 738].