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Your Local Abingdon Independent Insurance Agency

Harmon Insurance Agency, a division of Preston Insurance Agency IL, LLC specializes in auto, home, business, and life insurance.

Harmon Insurance Agency, a division of Preston Insurance Agency IL, LLC, has evolved over the past 75 years. Our agency offers a higher level of service to our clients throughout the state of Illinois along with clients in Indiana, Iowa and Minnesota. It is our goal to provide our clients with professional and expert service as well as monitoring and evaluating their ever changing insurance needs but also make sure they have the best pricing, coverage and claims service.

Read what satisfied customers have said about Harmon Insurance Agency, a division of Preston Insurance Agency IL, LLC.
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Auto Insurance

Paying too much for auto insurance? With our flexible coverage options and expert service, you’ll know that your vehicle is getting the best protection possible.
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Home Insurance

Your home is your greatest investment, but you shouldn’t have to break the bank to insure it. Find out how much we can save you on your policy.
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Business Insurance

As a business owner, you have enough on your mind without having to worry about your insurance needs. Let us find the best coverage at the best rates for you.
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Recent News & Updates

A Homeowner’s Guide to Dealing with Ice Dams

Posted: February 2, 2026

Ice dams form when snow on a roof melts, runs down to colder eaves, and refreezes into a ridge that blocks drainage. Over repeated melt-freeze cycles, water can back up under shingles and leak into ceilings, walls, insulation, and belongings. Why Ice Dams Happen Most ice dam problems start with uneven roof temperatures. Heat escaping into the attic warms the upper roof surface above 32°F...

New Year Business Insurance Checklist

Posted: January 19, 2026

Is Your Company Really Protected? A new year is the perfect time for businesses to run a quick “audit” of their insurance program. Over the past twelve months, your company may have opened a new location, hired more staff, bought equipment, or added services. If your coverage has not kept pace, one loss could disrupt everything you have built. Start With An Annual Coverage Audit...

Common Insurance Myths Debunked

Posted: January 16, 2026

What Your Friend on Social Media Got Wrong! Everyone has that friend who becomes an instant expert after watching a short video or reading a headline. Insurance myths travel fast, and they can cost real money when a claim happens. Clearing up a few of the most common myths helps you choose better protection and avoid unpleasant surprises. Myth #1: Red Cars Cost More to...

The Ins and Outs of Commercial Auto Insurance

Posted: January 4, 2026

What Every Business Owner Should Know Modern businesses are always on the move. Delivery vans drop off products, service trucks head to job sites, and sales reps crisscross town to meet clients. Any time a vehicle is used for business, your company faces risks that a personal auto policy may not fully cover. Commercial auto insurance is designed to handle those business exposures. What Counts...