In Your Corner For Life
Cornerstone National Insurance
Personalized coverage, service, and expert advice you can trust for life.
CNI Is Ready To Earn Your Trust!
With Our Latest Product Lines
Flexible Options and Customized Products For New & Existing Customers
Homeowner Products
Looking for your home's perfect protection match? Choose from one of our three streamlined homeowners products now available in our Oklahoma, Arkansas, Illinois, and Tennessee markets.
Auto Product
Affordable multi-level coverage and expanded liability limits ensure you and all your precious cargo stay safe, no matter where the road takes you. Take a closer look at our enhanced auto product.
Package Products
Maximize savings and convenience by packaging your CNI Home and Auto policies. Add an extra layer of liability protection to your policy package with our new Umbrella product. .
In Your Corner For Life
Uncomplicating The Claim Process:
A 5-Step Claims System To Get You Back On Track ASAP
Report. Review. Estimate. Repair. Close.
When the unexpected happens, count on your Cornerstone Family to help you reach resolution and normalcy as quickly as possible.
You can expect your claim to be handled:
THOROUGHLY
We won't leave any stone left unturned when it comes to your claim and delivering the compensation you deserve for a covered loss.
THOUGHTFULLY
Each member of our tight-knit internal Claims Department is the perfect blend of friendly, responsive, and professional.
Why Choose An Independent Agent
Because They’re In Your Corner Too.
We partner with a vast network of experienced independent agents who live and work in your community. They value your time and leave no questions unanswered. Their goal is to pave a clearer path to your insurance satisfaction by offering the one luxury you deserve: options.
For decades, we have offered coverage exclusively through independent agents, seeing firsthand the positive impact it has had on our policyholders. Discover some of the reasons we feel working with an independent agent will benefit you also.

More Choices
Only they can provide you with the right blend of price, product, and protection, to fit your life, no matter where it takes you.

Personalized Customer Service
They're real people with real concern for taking care of you.

One-Stop Shop
Your independent agent's capabilities are endless when it comes to getting you all the types of coverage you desire.
CNI Blog
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Farm Insurance 101: A Guide For Our Oklahoma Farmers To Determine The Best Coverage For Their Livelihood Farming isn't one of those straightforward professions that any average Joe can tackle. Simply put, it's hard work - like really hard work. Operating a farm is beyond intimidating and challenging, yes... June 2, 2022
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Planning Your Perfect Summer Road Trip: Where To Go, How To Prep Your Car, & What To Pack There's just something about warm weather, newly lush + green landscapes, and unused vacation time begging to be taken advantage of that call for one thing: a summer road trip! Let's face it; trad... May 4, 2022
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Storm Season Is Here: How To Quickly Prep Your Home For Midwest Storms Ah, Spring: You bring us warmer weather (at least in the afternoon hours), pretty flowers, and green grass - a welcome sight after enduring months of drab scenery and freezing temperatures. Whil... April 5, 2022