Chelsey Tucker graduated with a Bachelor of History degree from Metropolitan State University in 2019. She now writes about insurance with her specialty being life insurance and has been quoted on Help Smart Phone and MEL Magazine.

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Dan Walker graduated with a BS in Administrative Management in 2005 and has been working in his family’s insurance agency, FCI Agency, for 15 years. He is licensed as an agent to write property and casualty insurance, including home, auto, umbrella, and dwelling fire insurance. He’s also been featured on sites like

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Reviewed by Daniel Walker
Licensed Auto Insurance Agent Daniel Walker

UPDATED: May 17, 2022

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Company Details
President: No President Known
Address: 175 Water Street 18Th Floor
City: New York City
State: NY
ZIP Code: 10038
Phone Number: (212) 458-7000
Toll Free: (877) 638-4244
Year Founded: 1885-06-17
Company Rating 0 (0 reviews)

Types of Insurance Offered

The Lowdown

  • Granite State Insurance Co. began as Granite State Fire Insurance Company in 1885
  • American International Group (AIG) acquired Granite State in 1969
  • A.M. Best has rated Granite State A, for Excellent

Trying to get a hold of your insurance company can be a pain. We get it, and this Granite State Insurance Company review will help you learn about the company and how to contact them. We will give you Granite State Insurance claims phone numbers and cover everything you need to know about their products.

AIG is the parent company of Granite State Insurance Company offers multiple kinds of insurance. These include auto insurance, home insurance, and other options. Some may be written by Granite State in the AIG name.

Before learning about Granite State Insurance Company check out or FREE auto insurance quote tool above to see competitor rates. Let’s get started.

Granite State Insurance Company

Granite State Insurance Co. began as Granite State Fire Insurance Company in 1885 and became a part of AIG in 1969. Since Granite State Insurance Company is a part of AIG, they share a lot of things including contact information.

Granite State Insurance Company Contact

Granite State Insurance company phone number is the same as AIG’s company number. To contact, the company then call 212-770-7000 or 1-877-520-4636. You can also contact  Granite State Insurance services by going to the Granite State Insurance Company website.

The Granite State Insurance Company address is shared with AIG. It is 175 Water Street, 18th Floor, New York, New York, 10038. Granite State Insurance Company claims are done through AIG. The Granite State Insurance Company claims phone number is the same number for AIG claims. Granite State Insurance claims phone numbers include 1-877-399-6442.

Granite State Insurance Company Claims

You may need to file a claim. Most people wonder, can my car insurance drop me after a claim? The answer is that they can but probably won’t. Considering there were 6,734,000 vehicle crashes in 2018, you will likely need to file a claim at least once in your life. In the United States, there are over 30,000 people killed in car wrecks a year according to the CDC .

If you are looking for Granite State Insurance Company claims phone number, auto insurance specifically, then there is not a separate number.

You can also make claims with AIG WC, Worker’s Compensation, Granite State Insurance Company Workers Comp, and their Property & Casualty insurance on the website. Why would you need worker’s compensation insurance? In case you get injured on the job. Granite State Insurance Co. claims can be made on the company website.

Granite State Insurance Company Ratings

If you are wondering about how to tell if a company is good then check out their credit ratings. There are multiple places to look for Granite State Insurance Co ratings and Granite State Insurance complaints.

The Granite State Insurance Company NAIC number is 23809 and the NAIC is a great place to look for information about Granite State Insurance Company. A.M. Best has rated the company an A, for Excellent.

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Granite State Insurance Company Parent Company: AIG

AIG stands for American International Group, not to be confused with American Insurance Company.

Here is a chart to show you how AIG, American International Group, compares to the top insurance companies.

AIG Direct Premiums Written and Market Share vs. Competitors
CompaniesDirect Premiums Written Market Share
Northwestern Mutual$10,517,115,452 6.42%
Metropolitan Group$9,821,445,953 6.00%
New York Life$9,295,848,300 5.68%
Prudential$9,128,805,060 5.57%
Lincoln National $8,769,303,174 5.36%
MassMutual$6,854,713,057 4.19%
Aegon / TransAmerica$4,809,856,650 2.94%
John Hancock$4,640,905,017 2.83%
State Farm$4,633,004,963 2.83%
Minnesota Mutual$4,422,100,028 2.70%
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AIG owns many subsidiaries. Some of these AIG subsidiaries include New Hampshire Insurance Company and Illinois National Insurance Company. Many people feel more comfortable with American International Group because they know the name better than other insurance groups, like Natilus Group, who owns Great Divide Insurance Company.

If you need to contact AIG, know that AIG customer service number changes depending on what kind of insurance you have.

Now you have learned about Granite State Insurance Company, click to try our FREE auto insurance tool quote below. Get started now.

Granite State Insurance Company Review Additional Information

Granite State Insurance Company Review is a Stock company that was incorporated in 1885-06-17. Granite State Insurance Company Review is a Fire & Casualty insurance company and has assets of 35,250,256, capital of $5,000,000, and net surplus of $29,765,343.

Granite State Insurance Company Review insurance plans include airplane, auto, boat, business, health, and home.

Granite State Insurance Company Review is located in New York City, NY and the phone number for Granite State Insurance Company Review claims, customer, service, and additional information is (212) 458-7000.

Granite State Insurance Company Review Insurance Quotes

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