Insurers · FMCSA L&I filings

Trucking Insurance Companies — Who Underwrites US Carriers

Every carrier operating under FMCSA authority files proof of insurance. These are the underwriters behind those filings — each profile opens the coverage mix, typical insured fleet size, and a sample of the carriers on the book.

801 insurers with 100+ carriers on the filing record

Largest books

The 50 biggest trucking underwriters

Ranked by distinct US carriers appearing on the insurer's FMCSA filing record — the full history, not only policies in force today.

InsurerCarriers on recordCarriers insured now
NORTHLAND INSURANCE COMPANY132,68518,580
UNITED FINANCIAL CASUALTY COMPANY118,46125,866
GREAT WEST CASUALTY CO.110,52740,239
CANAL INSURANCE CO.109,1428,149
PROGRESSIVE COUNTY MUTUAL65,8717,068
PROGRESSIVE CASUALTY INSURANCE COMPANY58,3297,057
ARTISAN & TRUCKERS CASUALTY COMPANY55,50811,760
PROGRESSIVE NORTHERN INSURANCE COMPANY44,1876,744
LANCER INSURANCE COMPANY40,7271,748
NATIONAL CASUALTY COMPANY38,10759
UNDERWRITERS AT LLOYDS LONDON37,38550
PROGRESSIVE SOUTHEASTERN INSURANCE COMPANY36,4906,599
CAROLINA CASUALTY INSURANCE CO.33,112582
SENTRY SELECT INSURANCE COMPANY32,6415,388
NATIONAL INDEMNITY COMPANY32,276829
PROGRESSIVE MOUNTAIN INSURANCE COMPANY OF OHI31,2543,932
PROGRESSIVE EXPRESS INSURANCE COMPANY29,4262,799
OOIDA RISK RETENTION GROUP, INC.26,9051,827
OCCIDENTAL FIRE AND CASUALTY CO. OF N.C.26,7802,812
WESCO INSURANCE COMPANY26,3741,401
PROGRESSIVE PREFERRED INSURANCE CO.25,8754,269
NATIONAL LIABILITY & FIRE INS CO.24,814639
PACIFIC FINANCIAL ASSOCIATION, INC.23,0711,070
LINCOLN GENERAL INSURANCE COMPANY22,668
WILSHIRE INSURANCE COMPANY21,710431
UNITED SPECIALTY INSURANCE COMPANY20,840355
GREAT AMERICAN INSURANCE CO.20,6791,020
EMPIRE FIRE & MARINE INSURANCE CO.18,994137
DRIVE NEW JERSEY INSURANCE COMPANY18,7832,357
HUDSON INSURANCE COMPANY18,593885
TRISURA SPECIALTY INSURANCE COMPANY18,3801,990
UNITED STATES FIRE INSURANCE CO.17,6282,162
DB INSURANCE CO., LTD (U.S.BRANCH)17,3863,138
ZURICH AMERICAN INSURANCE COMPANY16,5092,731
AUTO OWNERS INSURANCE COMPANY15,8803,770
ACCREDITED SPECIALTY INSURANCE COMPANY15,8033,474
KNIGHT SPECIALTY INSURANCE COMPANY15,656770
THE INSURANCE CO OF THE STATE OF PENNSYLVANIA15,602105
NATIONAL INTERSTATE INSURANCE COMPANY15,4513,160
HALLMARK COUNTY MUTUAL INSURANCE COMPANY15,128
BERKSHIRE HATHAWAY HOMESTATE INSURANCE COMPAN14,1601,236
GEICO MARINE INSURANCE COMPANY14,01818,804
ACUITY, A MUTUAL INSURANCE COMPANY13,6275,743
STATE NATIONAL INSURANCE CO., INC.13,566549
EVERSPAN INDEMNITY INSURANCE COMPANY13,013568
HARTFORD FIRE INSURANCE COMPANY12,7892,241
NATIONAL CONTINENTAL INSURANCE CO.12,59712
PROGRESSIVE HAWAII INSURANCE CORP12,5232,080
HARCO NATIONAL INSURANCE CO.12,272322
STATE NATIONALSPECIALTY INSCO/NATIONAL SPECIA11,734942
“Carriers insured now” counts filings in force in FMCSA's active-and-pending insurance snapshot. A dash means the insurer does not appear in that snapshot — not that it has no active policies.

Every insurer

All 801 underwriters, A–Z

Insurers carrying at least 100 US carriers on the FMCSA record.

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