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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Coverage You Can Trust: Meet Our Homeowners Insurance Product-Line, Now Available In Oklahoma, Arkansas, And Illinois We're excited to let our friends in Oklahoma, Arkansas, and Illinois know: we have officially launched our long-awaited homeowners product-line for you to conveniently package with your Cornerstone ... March 17, 2023
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The CNI Mobile App is Here To Make Insurance Easy! Introducing the CNI Mobile App - the ultimate solution for simplifying your insurance experience. With this cutting-edge app, you can easily take care of all your insurance needs from the convenie... February 9, 2023
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Coverage That Goes Below The Surface: Find Out How Beneficial & Affordable Service Line Protection Is It's no secret that homeownership comes with many undeniable perks. However, the "American Dream" also comes with its fair share of unexpected problems (and costs) - many of which you can't see. And... January 4, 2023