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NJM Insurance
NAIC group: NEW JERSEY MANUFACTURERS GRP (group code 708)

Contact claims

Claims phone
800-367-6564
Customer service
800-232-6600
File or track a claim online
https://www.njm.com/insurance/claims
Website
https://www.njm.com

Numbers were checked against the company’s own website on Sep 13, 2026. Your policy documents and ID card list the right number for your policy, which can differ by product or state.

About the company

Headquarters
West Trenton, New Jersey
Ownership
NJM says it operates in a mutual fashion for the exclusive benefit of its policyholders.
Insurance it sells
Auto, Homeowners, Renters, Condo, Umbrella
How it sells
Directly, online and by phone, with a small group of exclusive agents supporting personal insurance customers.
Who can buy
Personal insurance is offered only to residents of the states NJM serves.
Where it sells
Personal auto, homeowners, condo, renters and umbrella insurance are offered only in Connecticut, Maryland, New Jersey, Ohio and Pennsylvania.

Market share

  • Private passenger auto: 0.47% of U.S. premiums written in 2025 ($1.7 billion), the 20th-largest share nationally.

Source: NAIC, 2025 Top 25 Groups and Companies by Countrywide Premium. Market share measures size only. It says nothing about price, service, or how claims are handled.

Check before you buy or file a complaint
Insurer groups sell through many separate companies, and each is licensed state by state. Look up the exact company on your policy in the NAIC Consumer Insurance Search for licensing, complaint and financial information, or contact your state insurance department. Independent financial strength ratings are published by agencies such as AM Best.

WhyInsurance.me doesn’t rate, rank, or recommend insurers. This profile is editorial reference information, not an advertisement, and no company paid to appear or to review it.

Sources

Researched Sep 13, 2026. Reviewed Sep 13, 2026.