Market Share Reports

Reports highlighting market shares in various lines of insurance.

The Top Insurers All Lines in Massachusetts & New England

October 21, 2025 by AC Editor

A current list of largest insurers in each of the New England states

NAIC 2025 Market Share Report | Top 25 Medical Professional Liability Insurers

March 31, 2025 by AC Editor

Berkshire Hathaway Dominates with Nearly 18% Market Share

NAIC 2025 Market Share | Top 25 Workers’ Compensation Insurers

March 24, 2025 by AC Editor

Travelers Remains the Largest Workers Compensation Insurer in the Land

NAIC 2025 Market Share | Top 25 Other Liability Insurers

March 24, 2025 by AC Editor

U.S. Other Liability Insurance Market Grows 6.8% in 2024, But Loss Ratios Surge

NAIC 2025 Market Share Report | Top 25 Commercial Auto Insurers

March 18, 2025 by AC Editor

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