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Three generations of NTUM, Inc. leadership

A Family Company

3 Generations of Leadership

National Truck Underwriting Managers, Inc. is a third generation family business writing truck insurance since 1978. Trucks are all we write, so you and your accounts will benefit from our unmatched expertise and service.

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Our Mission

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Our Mission is to provide our agents, producers, and customers with the best possible quote on qualified accounts. We pledge to deliver superior service, and proudly maintain the highest level of ethical standards.

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Your Preferred Truck Market

Specialty Underwriters

We represent the premier truck specialty carriers in the business, including but not limited to, Canal Insurance Company, The IAT Insurance Group (Harco National Insurance Company and Occidental) and Northland Insurance Company.

We have a staff of very experienced truck insurance specialty underwriters and a responsive support team.


For a Quick Response

Contact Us


National Truck Underwriting Managers, Inc.

3600 American Blvd. West
Suite 650
Bloomington, MN  55431

Office: 952-893-1234
Toll-Free: 800-831-6886
Fax: 952-893-1882


Safe Drivers & Well-Oiled Machines

We are seeking high quality trucking accounts with good loss experience and low accident frequency.

Most of the accounts we write operate 1-300 power units. 

Contact us today to learn more about how we can help you find the right policy for your clients.