Company Name

Complaints in 2010

Market Share in MA

Commerce Insurance Company

157

28.20%

Safety Insurance Company

60

11.16%

Liberty Mutual Insurance Company

68

10.30%

Arbella Mutual Insurance Company

45

8.94%

Plymouth Rock Assurance Corporation

32

5.53%

Metropolitan Property and Casualty Ins. Company

90

5.14%

Premier Insurance Company of Massachusetts, (The)

46

5.14%

Amica Mutual Insurance Company

32

3.47%

Citizens Insurance Company of America

42

3.35%

Progressive Direct Insurance Company

48

3.35%

Quincy Mutual Fire Insurance Company

9

1.80%

Government Employees Insurance Company

32

1.68%

Massachusetts Homeland Insurance Company

11

1.44%

NGM Insurance Company

1

1.24%

USAA Casualty Insurance Company

6

1.22%

Norfolk & Dedham Mutual Fire Insurance Company

5

1.18%

Encompass Insurance Company of Massachusetts

7

1.04%

United Services Automobile Association

9

0.96%

Vermont Mutual Insurance Company

5

0.83%

Peerless Insurance Company

8

0.77%

Occidental Fire & Casualty Company of N. Carolina

6

0.56%

Pilgrim Insurance Company

7

0.35%

GEICO General Insurance Company

13

0.33%

Electric Insurance Company

1

0.28%

Preferred Mutual Insurance Company

2

0.26%

American Automobile Insurance Company

4

0.23%

Allstate Insurance Company

23

0.20%

Harleysville Worcester Insurance Company

1

0.15%

Farm Family Casualty Insurance Company

1

0.14%

IDS Property Casualty Insurance Company

1

0.09%

Hanover Insurance Company

5

0.05%

OneBeacon Insurance Company

2

0.00%

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