Sentry Security and Investigations is a locally owned and operated North Dakota company and began providing private security services in 1995.  What have grown to be one of the largest locally owned security patrol service providers in North Dakota.

We pride ourselves on our ability to be flexible in providing our services. We attribute our success primarily to our immediate staff responsiveness to our clients, our determination to work on a problem until it is solved to everyone's satisfaction, and the continuous efforts by management, supervisors, and staff to provide professional service.