NJM is among the Mid-Atlantic's leading property and casualty insurers. Headquartered in West Trenton, NJ, with offices in Hammonton and Parsippany, NJM employs nearly 2,500 workers and operates in a mutual fashion for the exclusive benefi.t of its policyholders. Visit us at any of our three offices and learn more about how we can serve your auto, homeowners, or renters insurance needs.

West Trenton Campus

West Trenton, New Jersey

301 Sullivan Way
West Trenton, NJ 08628

(609) 883-1300

Parsippany Campus

Parsippany, New Jersey

1599 Littleton Rd.
Parsippany, NJ 07054

(973) 455-7200

Hammonton Campus

Hammonton, New Jersey

840 12th St.
Hammonton, NJ 08037

(609) 567-0300

† For NJ policies, percentage savings based on a comparison of the average NJM premium with the average statewide premium as reported by the NJ Department of Banking and Insurance. For PA policies, percentage savings based on average annual savings of customers with policies in force on 10/31/19 who reported their prior auto insurance premiums and switched to NJM.