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2020 Market Share Report | Top Ocean & Inland Marine Insurers

September 29, 2020 by AC Editor

The total Direct Written Premium for the Ocean & Inland Marine marketplace in 2018 was $635,215,823


Ocean & Inland Marine Insurance is the oldest line of insurance

Marine insurance is actually the oldest line of insurance, with various publications dating it back to Ancient China and the Phoenicians. More recent history from the Middle Ages shows that marine insurance was well established during this era, with the Encyclopedia Britannica stating that it was part and parcel of many a medieval sea code. In the modern era, Lloyd’s is often credited with issuing the first marine policy. According to Wikipedia, Lloyd’s was the first “marine insurance market” founded by Edward Lloyd in 1686 at his coffee house on Tower Street.

In the U.S., inland marine insurance, essentially a byproduct of ocean marine insurance, typically “indemnifies loss to movable or specialized types of property.” Nowadays, this includes a wide variety of coverages for property including everything from medical diagnostic equipment to fine arts, to wind turbines, movie equipment and musical instruments.

Just a reminder, for this and all of our Market Share Reports, the information used comes courtesy of the Division of Insurance, which is charged with compiling and issue an annual report outlining the current state of the insurance marketplace in Massachusetts each year. All of the data presented in our 2020 reports is from 2018, the latest year for which complete information is available.


Atlantic Specialty Unmoors Boat Shop From Claims Of Over 0,000 Using 'Uberrimae Fidei' As A Defense
Atlantic Specialty Unmoors Boat Shop From Claims Of Over $150000 Using Uberrimae Fidei As A Defense

A total of 271 insurers write Ocean & Inland Marine insurance in Massachusetts

There are two hundred and seventy-two insurance insurance companies that are currently licensed to write Ocean & Inland Marine insurance in Massachusetts. This is approximately 52 companies less than in 2016 when this marketplace had 323 companies writing this line of insurance. There are also no Massachusetts-based insurers who are among the top 20 largest writers as of 2018. Two Rhode Island-based insurers, however, are on the top 20 list; Factory Mutual and Affiliated Fm Ins. Co. New Hampshire-based Hanover and Connecticut-based Travelers Prop Cas Co Of America also are ranked within the Top 20.

Atlantic Speciality, a company featured in a recent Agency Checklists’ law alert involving a Cape Cod Boat shop also is ranked as a top 20 insurer here in Massachusetts. For those interested in reading that article it can be accessed here: “Atlantic Specialty Unmoors Boat Shop From Claims Of Over $150,000 Using ‘Uberrimae Fidei’ As A Defense“.

Premium and market share

The Ocean & Inland Marine Insurance marketplace had Total Direct Written Premium of $635,215,823 with a total of 272 insurers licensed to write this line of insurance. The following are additional facts and insights into the size and composition of this marketplace: 

  • The Total Direct Written Premium in 2018 was only $25,052,301 more than the DWP for 2017 which was $610,163,522. In 2016, the DWP was $587,269,313.
  • The top 20 writers of Ocean & Inland Marine insurers had Direct Written Premium totaling $387,647,611 representing a 61.0% share of the market. In comparison in 2017, the top 20 had a total DWP of $352,025,632 representing a 57.7% share of the market.
  • The remaining 251 insurers writing in this marketplace had a total Direct Written Premium of $247,568,212 representing a 39.0% market share. In 2017, this group, which was comprised of 252 companies had $258,137,890 in Direct Written Premium representing a 42.3% market share

The list of the top 20 insurers in Ocean & Inland insurance…

RankNAIC#Company NameStatePremium Written/MAMarket Share/MA
1.19917Liberty Ins Underwriters IncIL78,913,30612.42%
2.20443Continental Cas CoIL61,893,8129.74%
3.19445National Union Fire Ins Co Of PittsPA29,115,1074.58%
4.11630Jefferson Ins CoNY25,133,2603.96%
5.11991National Cas CoOH20,576,4393.24%
6.21113United States Fire Ins CoDE19,468,7423.06%
7.12190American Pet Ins CoNY17,274,3342.72%
8.22667Ace Amer Ins CoPA15,705,9182.47%
9.25674Travelers Prop Cas Co Of AmerCT14,968,3152.36%
10.21482Factory Mut Ins CoRI13,093,1512.06%
11.27154Atlantic Specialty Ins CoNY12,302,7661.94%
12.22292Hanover Ins CoNH11,972,9531.88%
13.20346Pacific Ind CoWI9,488,5971.49%
14.38318Starr Ind & Liab CoTX8,908,2331.40%
15.10111American Bankers Ins Co Of FlFL8,850,9401.39%
16.37923Geico Marine Ins CoMD8,442,0511.33%
17.31325Acadia Ins CoIA8,385,5021.32%
18.19402AIG Prop Cas CoPA7,996,8211.26%
19.10014Affiliated Fm Ins CoRI7,607,8301.20%
20.20281Federal Ins CoIN7,549,5341.19%

Links to other 2020 Massachusetts Market Share Reports

  • 2020 MA Market Share Report | Top 20 Auto Insurers
  • 2020 MA Market Share Report | Top 20 Commercial Auto Insurers
  • 2020 MA Market Share Report | Top 20 Fire Insurance
  • 2020 MA Market Share Report | Top 20 Homeowners’ Insurers
  • 2020 MA Market Share Report | Top 20 Aircraft (All Perils) Insurers
  • 2020 MA Market Share Report | Top 20 Workers’ Comp Insurers
  • 2020 MA Market Share Report | Top 20 Life & Life All Lines Insurers

Filed Under: MA Market Share Reports 2020 Tagged With: Agency Checklists, insurance news massachusetts, largest insurers in Massachusetts, massachusetts insurance news, New England Insurance News, Top ocean and inland marine insurers in New England

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