Mountain States Security, Inc. is a BBB Accredited Security Guard in Rapid City, SD

Proudly serving Western
South Dakota for over 30 years

About Us

Mountain States Security, Inc takes your personal well-being very seriously. We make our clients feel comfortable carrying on with business or celebrating a momentous occasion. Take back control of your life and hire us to stand watchful guard over you and your property.

Put a stop to security threats before they start and contact Mountain States Security, Inc. On-site security from Mountain States Security, Inc. means you can operate your business in a truly stress-free environment. 

Why Mountain States Security?

On Site Security

As a responsible business owner, your top priority is the functioning of your establishment. Your worries should extend to your employees, products, customers and cash flow. At no point in time should your productivity suffer due to external threats. In the event you experience or anticipate illegal activity impeding your ability to do business, talk to Mountain States Security, Inc. Our security company handles all safety needs and lets you focus on running your business.

Special Event Security

Mountain States Security, Inc creates and executes solutions for our clients to accomplish their event specific safety and security objectives. From corporate events and fundraisers to concerts and more, turn to the experienced professionals at Mountain States Security, Inc, for you next special event.

Cash in Transit Security

Protecting your employees from work comp liability.


From small to large consumer locales we offer unsurpassed patrol security. Every security officer works in coordination with one another to promote efficient and accurate performance.

More About
Mountain States Security

Banks and other high-end businesses often transfer valuable items from one location to another. When your cargo involves banknotes, coins, and cash, you want to leave absolutely nothing to chance. Mountain States Security, Inc. offers a guaranteed safe transit giving you peace of mind. Our personnel are trained to spot threats and make necessary adjustments protecting your employees from work comp liability. Hire the professionals at Mountain States Security, Inc. and experience the highest standard of safety. We are the premier security company in the Black Hills. Our company and officers are licensed, bonded and insured.

If you do business in an area where theft and vandalism run rampant, you may benefit from our impeccable on site security services. Sometimes, a show of force is all you need to deter a would-be crime. In the case a crime does occur, our company works efficiently with local police departments to ensure that perpetrators are swiftly caught and dealt with.

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