According to the information from New Jersey Department of Insurance, the following are the 6 largest auto insurers in New Jersey ranked by the number of policyholders.
| Rank | Name of Company | Policy Holders | Tel No. |
| 1 | State Farm Indemnity Co. | 592,779 | (800) 624-1815 or (201) 305-7000 |
| 2 | Prudential | 484,657 | (800) 437-5556 or (908) 412-4000 |
| 3 | Allstate Ins. Co. | 443,172 | (800) 366-2958 or (847) 402-5000 |
| 4 | NJ Manufacturers Ins. Co. | 399,455 | (609) 883-1300 |
| 5 | Allstate Indemnity Co. | 229,179 | (800) 366-2958 or (847) 402-5000 |
| 6 | Liberty Mutual Fire Ins. Co. | 210,999 | (800) 233-8481 or (617) 357-9500 |
Insurance quotation can be obtained from the following local agents in New Jersey.
| County | Agency Name | Major Companies |
| Entire State | Beckerman & Company | Utica, Mutual |
| Bergen, Passaic, Morris, Hudson | United Assurance | Chubb,General Accident, Hanover |
| Mommouth, Middlesex, Ocean | Dickstein Associates | CNA, USF&G, Hartford, Chubb |
| Teaneck | Robert Morrill | CNA, General Accident, Franklin, Mewrchant, Merrimack |
If you want to contact more other insurance companies in New Jersey, here are their telephone numbers.