Companies That Currently Write Truck Insurance This is our latest list of premium companies that may offer coverage depending on your state and prior insurance record. Acadia Insurance Ace Group AIG Arch Insurance Company ARI Auto Owners Insurance Co Big Rig Insurance Berkshire Hathaway Carolina Truck Insurance Co Carolina Casualty Insurance Co Chubb group of Insurance Cos CNA Continental Western Group Eastern Atlantic Ins. Co Essex Insurance Company Fairmont Specialty Farmers Truck Insurance Exchange Gateway Insurance Company Grange Insurance Great American Insurance Group Hallmark Insurance Company Hanover Insurance Group Harco High Risk Truck Insurance Infinity Interstate Insurance Management Lancer Insurance Company Maxum Markel Insurance NEMT Fleet Insurance National American Ins Co National Indemnity National Interstate Insurance Co Nat’l Truck Underwriting Mgrs. Northland Insurance Ohio Casualty One Beacon OOIDA PMA Insurance Progressive Fleet Insurance QBE Republic Group RLI Sagamore Insurance Co Seneca Sentry Insurance Star Insurance Company State National Insurance Co Stratford Insurance Company Sutter Insurance Company Swett and Crawford Tower Ins. Co. of New York TransProtection Service Co Travelers U.S. Specialty Insurance Co Western World Zurich