Serving the Black Hills, the Plains and Eastern Wyoming

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Everything you need in one great system from Knight Security Inc.

Commercial or Residential, we can do it all.

Home Security

Everything for your home

Commercial Security

All your Business Needs

Home Automation

Control at your Fingertips

Electronic Surveillance

For Home or Business

About Knight Security

Knight Security has been your local, trusted Electronic Security System provider for over 30 years. We're locally owned, locally operated, and proud to be a part of your hometown community. All of our services are located right here in the Black Hills, including our Monitoring Center. Let us show you how easy it is to get peace of mind with a local, trusted Electronic Security Provider.

Electronic Security, Simplified

Whether it's for your home or your business, we can customize a system that will take care of all of your security needs. Contact us today and let us show you how easy it is to get that additional peace of mind with a security system from Knight Security Inc.

Easy to Use

Our systems are simple, featuring shortcut keys, programmable keyfobs and easy-to-understand commands that will make controlling your system easy. It doesn't have to be difficult to be secure-let us show you how easy it can be.

Local Monitoring

Our Monitoring Station is located right here in the Black Hills of South Dakota. We know what you're dealing with-be it a snow storm or summer tourist season, fire or fog, we're here with you. We're on top of local trends that might impact your security needs.

Local Service

Unlike some companies, we won't install your system and then disappear. Our Service Technicians are located right here in the Black Hills too, We are always here, 24/7, with emergency service available any time you need it.


Our systems are Modular, which means they can be designed to fit your personal security needs. Plus, you can add features and add-ons in the future easily, upgrading your system and ensuring it stays currant and up-to-date with your security concerns.


Contact Us Today for a Free Security Consultation!

Let us show you how easy it is to customize a system for your specific security needs.

Contact us now