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Tri State Security specializes in providing highly qualified security services, security patrol services and on-sight
security guard services to businesses, events and properties in Sioux Falls and the surrounding region.

Our Information

Sioux Falls Security

5404 W 9th Street Sioux Falls, SD 57107






Our locally owned security team can provide multiple and various security services for your Sioux Falls business. We provide armed and unarmed security, bomb sniffing dogs, loss prevention or loss control, on-site security, patrol service, special event security and more. For a complete list of services, visit our services page. Small or large, your request will be met with expert advice, individualized attention, and innovative solutions. Contact our team and discover all we have to offer!


Contact Us for Superior Security Service

Tri-State Security Services in Sioux Falls is dedicated to your safety. Whether you need security for a special event or regular scheduled security at your business, we are your number one choice for local patrols. Don’t think about security measures after you have a serious incident. The time to get something in place is now so your employees are working in a safe environment. We offer contract security, security guards, security patrol and more for commercial properties. Call today to discuss your security needs and create a custom security plan.   

On-site, Event and Patrol Security Services in Sioux Falls


Sioux Falls Security

Tri-State Security and Patrol Service, Inc. is the largest locally-owned security company in the Sioux Falls, South Dakota area with over 40 years of experience in all aspects of security. The most important objective for providing successful security is to understand each client’s requirements and expectations and strive to exceed them. We’re not a big-box, remote company that doesn’t care about the Sioux Falls community. Our team of trained professionals will be a consistent and dependable security for your employees. And because we are locally-owned and managed, we are prepared to respond to any security situation immediately. Contact our team today to discuss your security needs. We look forward to working

with you! 


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