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IAT Insurance Group & Harco

IAT Insurance Group

Rated A- (Excellent) by the A.M. Best Co.

Coverages Auto Primary Liability Physical Damage, Motor Truck Cargo and General Liability
Target Account Size 1-250 Power Units

Non-Fleet: 1-10 Power Units
AR, AZ, GA, IA, IL, IN, KY, MN, MO, MT, NC, NE, ND, OH, OK, OR, PA, SC, SD, TN, WA and WI


Fleet: 11-250 Power Units
AR, AZ, CA, CO, FL, GA, IA, ID, IL, IN, KS, KY, MI, MN, MO, MT, NC, ND, NE, NM, NV, OH, OK, OR, PA, SC, SD, TN, UT, WA, WI and WY

As one of the largest insurers for the transportation industry, IAT Transportation offers a broad array of competitive products and loss control services to meet the unique needs of the industry.

  • 24/7 Claims Reporting
  • National Network of Heavy Equipment Appraisers
  • Local Special Investigations Units
  • Multi-Lingual Staff and Support
  • Dedicated subrogation/salvage professionals specializing in heavy equipment

New Market!

IAT Inland Marine logo

Rated A- (Excellent) by the A.M. Best Co.

Coverages Warehouse Legal Liability, Motor Truck Cargo, Combined Cargo/Auto Physical Damage, Third Party Logistics, Related Property for Transportation Accounts

Available in most states

IAT Inland Marine focuses on providing insurance for all traditional lines of inland marine such as builders’ risk, contractors’ equipment, fine art, motor truck cargo and property. We apply our unique expertise to deliver flexible, innovative and high quality insurance solutions.


  • Motor Truck Cargo: Up to $500K
  • Basic and Broad Forms
    • $50K Basket coverage for:
      • Pollution Cleanup
      • Earned Freight
      • Claims Mitigation and more 
  • Basic and Broad Forms: Reefer breakdown
  • Diminishing Deductible: Begins to decrease by 25% after 2 loss free years

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.