Mission Our motto is simple – Do What You Say You Will Do. DSI Security Services takes pride in staying true to our word with both our clients and employees by instilling “DWYSYWD” into every aspect of our company. It goes back to over half a century ago when our founder, A.B. Clark, would seal deals with just a handshake. Our commitment to doing what we say we will do is not just our company motto – it’s our promise to you.
Description Founded in 1969 by Sheriff A.B. Clark, DSI Security Services has grown from a small family business into one of the nation’s leading security providers. Still family-owned and run by the Clark family, DSI is guided by its founding motto — DWYSYWD: Do What You Say You Will Do — a principle that reflects its culture of service excellence. DSI offers a comprehensive range of security solutions, including armed and unarmed personnel, consulting services, executive protection, and threat assessment and monitoring programs, designed to help clients manage today’s complex risks. Its Technology Solutions division improves safety with advanced offerings, including access control systems, AI-driven remote video monitoring, robotics, weapons detection systems, mobile security trailers, and a 24/7 National Security Operations Center. As a WBENC-certified (Women’s Business Enterprise National Council) company, DSI has entered its sixth decade as a trusted partner for clients across various industries nationwide.
First Coast Security (FCS), founded in 1999, is a leading security services provider offering customized solutions across commercial, residential, and government sites. We hire and develop high-quality Security Officers and maintain a culture built on service excellence, integrity, and employee satisfaction. FCS values long-term careers, recognizes strong performance, and promotes from within, giving you real opportunities to grow.
Allied Universal®, North America’s leading security and facility services company, provides rewarding careers that give you a sense of purpose. Since 1957, we have been keeping people safe, protecting our clients' brands, and providing peace of mind.
At GardaWorld Security Services US, our trained professionals deliver security and technology solutions with integrity and vigilance. We proudly protect businesses, communities, and leading organizations nationwide.
Trusted by Fortune 500s and governments, we're proud to emphasize solutions adapted to each customer and consistently superior service delivery.
Going Above and Beyond Everyday
Since 1998, Sunstates Security has established a reputation for providing excellent customer service and quality work environments while being recently recognized as one of America’s top 10 largest security providers. We are committed to providing an exceptional experience for our clients and employees. We believe it is essential to offer our team the tools and knowledge they need to succeed, including detailed training and hands-on management support. Learn more about how Sunstates stands out amongst the rest.
GuardTexas has delivered professional contract security services across Texas since 1976. As a privately owned company operating exclusively within the state, we serve commercial, residential, retail, industrial, and special assignment environments throughout Dallas, Fort Worth, Austin, Houston, and San Antonio.
Our services include Armed and Unarmed Security Officers, marked Patrol Response units, and customized Special Operations. With more than 1,000 employees statewide, GuardTexas is built on long-term client partnerships, operational consistency, and disciplined performance.
DSI Security has an employee rating of 2.9 out of 5 stars, based on 225 company reviews on Glassdoor which indicates that most employees have an average working experience there. The DSI Security employee rating is 24% below average for employers within the Human Resources & Staffing industry (3.8 stars).
Overall, 34% of employees would recommend working at DSI Security to a friend. This is based on 227 anonymously submitted reviews on Glassdoor.
43% of job seekers rate their interview experience at DSI Security as positive. Candidates give an average difficulty score of 2.5 out of 5 (where 5 is the highest level of difficulty) for their job interview at DSI Security.