Company Name

Complaints in 2009

Market Share in MA

Commerce Insurance Company

125

28.83%

Safety Insurance Company

49

10.88%

Metropolitan Property and Casualty Ins. Company

47

5.67%

Liberty Mutual Insurance Company

44

9.10%

Progressive Direct Insurance Company

37

3.34%

Arbella Mutual Insurance Company

33

8.96%

Premier Insurance Company of Massachusetts, (The)

32

5.78%

Plymouth Rock Assurance Corporation

26

5.93%

Amica Mutual Insurance Company

17

3.53%

Citizens Insurance Company of America

17

3.78%

Hanover Insurance Company

16

0.00%

Encompass Insurance Company of Massachusetts

14

1.50%

Massachusetts Homeland Insurance Company

13

2.24%

Quincy Mutual Fire Insurance Company

12

1.85%

Pilgrim Insurance Company

9

0.40%

Norfolk & Dedham Mutual Fire Insurance Company

6

1.16%

NGM Insurance Company

5

1.16%

United Services Automobile Association

5

1.02%

American Automobile Insurance Company

4

0.36%

GEICO General Insurance Company

2

0.10%

Government Employees Insurance Company

2

0.54%

OneBeacon Insurance Company

2

0.00%

State Farm Mutual Automobile Insurance Company

2

0.42%

USAA Casualty Insurance Company

2

1.19%

Allstate Fire and Casualty Insurance Company

1

0.01%

Fireman's Fund Insurance Company

1

0.00%

Great Northern Insurance Company

1

0.00%

Harleysville Worcester Insurance Company

1

0.04%

Peerless Insurance Company

1

0.54%