2006 Private Passenger Automobile Insurance Complaints and Market Share | |||
| Premium Share in 2006 | Complaints Filed in 2006 | Complaints per $10,000,000 in Premium | |
| Commerce Group Commerce Insurance Company | 31.51% | 169 | 1.26 |
| Safety Group Safety Insurance Company | 11.20% | 81 | 1.69 |
| Arbella Insurance Group Arbella Mutual Insurance Company; Arbella Protection Insurance Company, Inc. | 9.58% | 73 | 1.79 |
| Liberty Mutual Group Liberty Mutual Fire Insurance Co.; Liberty Mutual Insurance Co.; Peerless Insurance Co. | 7.72% | 52 | 1.58 |
| Metropolitan Group Metropolitan Property and Casualty Insurance Company | 7.14% | 90 | 2.95 |
| Travelers Group Premier Insurance Co. of Massachusetts; Travelers Indemnity Company; Travelers Property Casualty Co. of America | 7.00% | 66 | 2.21 |
| Plymouth Rock Insurance Group Pilgrim Insurance Company; Plymouth Rock Assurance Corporation | 6.13% | 54 | 2.06 |
| Amica Mutual Group Amica Mutual Insurance Company | 3.64% | 33 | 2.13 |
| Hanover Insurance Group Allmerica Financial Alliance Insurance Company; Hanover Insurance Company; Massachusetts Bay Insurance Company; Citizens Insurance Company of America | 3.60% | 40 | 2.60 |
| White Mountains Group Employers' Fire Insurance Company; Massachusetts Homeland Insurance Company; OneBeacon America Insurance Company; OneBeacon Insurance Company | 2.94% | 33 | 2.63 |
| Allstate Insurance Group Allstate Insurance Company; Encompass Insurance Company of MA | 2.35% | 15 | 1.50 |
| United Services Automobile Association Group United Services Automobile Association; USAA Casualty Insurance Company | 2.12% | 8 | 0.88 |
| Quincy Mutual Group Quincy Mutual Fire Insurance Company | 1.35% | 11 | 1.91 |
| Main Street American Group NGM Insurance Company | 1.27% | 4 | 0.74 |
| Norfolk & Dedham Group Norfolk & Dedham Mutual Fire Insurance Company | 0.82% | 5 | 1.43 |
| Allianz Insurance Group American Automobile Insurance Company; Fireman's Fund Insurance Company | 0.54% | 12 | 5.23 |
| Electric Insurance Group Electric Insurance Company | 0.46% | 3 | 1.54 |
| State Farm Group State Farm General Insurance Company; State Farm Mutual Automobile Insurance Company | 0.42% | 4 | 2.21 |
| Remainder of Market (13 Groups) | 0.21% | 6 | 6.63 |
