The P&C insurance market has witnessed a record number of natural catastrophes. (Illustration: National Underwriter Property & Casualty) Net premiums written reported here are based on NAIC statutory P&C statement filings filed by U.S. individual insurance companies. (Illustration: National Underwriter Property & Casualty magazine)

National Underwriter's Top 100 and Heads of the Lines lists, the data for which is supplied by S&P Global Market Intelligence, provides a look at the P&C industry's leading performers — and hardest-hit players — in a world plagued by a record number of natural catastrophes.

In order to put the numbers presented here in the appropriate context, it's helpful to consider how much combined ratio suffered between 2016 and 2017 in several key lines. Combined ratio in Homeowners, alone, stood at 93 in 2016 and rose to 107 in 2017. Even worse, combined ratio in Allied lines ballooned to 124 in 2017 from 90 a year prior, according to Steven Weisbart, senior vice president and chief economist for the Insurance Information Institute.

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Shawn Moynihan

Shawn Moynihan is Editor-in-Chief of National Underwriter Property & Casualty. A St. John’s University alum, Moynihan has earned 11 Jesse H. Neal Awards, the Pulitzers of the business press; seven Azbee Awards, from the American Society of Business Press Editors; two Folio Awards; and a SABEW award, from the Society of American Business Editors & Writers. Prior to joining ALM, he served as Managing Editor/Online Editor of journalism institution Editor & Publisher, the trade bible of the newspaper industry. Moynihan also has held editorial positions with AOL, Metro New York, and Newhouse Newspapers. He can be reached at [email protected].