Walden Security is the nation's largest privately held, family-owned and operated, American-owned security company. Since 1990 we have built on the promise in our tagline, Setting the Standard by Setting the Example®, starting with our people. We invest in our officers through nationally recognized, award-winning training. Every person who puts on the Walden Security uniform is part of our family, and we are building that family one officer and one client at a time. Nearly 9,000 security professionals. 49 states, Washington DC and four U.S. territories. Privately held and growing on our own terms since day one. WBENC-Certified Women's Business Enterprise. ISO 9001:2015 Quality Certified. Three-Time VETS Indexes 5-Star Employer. APEX Training Award, seven-time recipient. Setting the Standard by Setting the Example® since 1990.