New Jersey Manufacturers Insurance Company

  • Overview

New Jersey Manufacturers Insurance Company (NJM) will sell you insurance, if you're part of the right group. Its property/casualty insurance products are available only to employees of the State of New Jersey, or members of the New Jersey Business & Industry Association and their employees. Its individual products include automobile, homeowners, renters, umbrella, and flood insurance. Its commercial products include commercial auto and workers' compensation. Its NJM Bank subsidiary provides checking accounts and savings accounts, as well as loans and investment products, to individuals and businesses in the Garden State. 

Geographic Reach

NJM has offices in Hammonton, Parsippany, and West Trenton (headquarters), New Jersey.


NJM is the state's leading auto insurer (by number of vehicles covered) and workers' comp insurance provider. Personal auto premiums account for more than half of the company's written premiums, while workers' compensation premiums account for about 30%. NJM operates alongside three sister firms: New Jersey Re-Insurance, New Jersey Casualty Insurance, and New Jersey Indemnity Insurance. The four companies operate together as the NJM Insurance Group.

To support its insurance customers, NJM provides underwriting, claims, information technology, and administrative services.

Sales and Marketing

The company sells directly to consumers, with no agents and no sales commissions.


As a mutual company, the company returns dividends to its policyholders ranging from 25% of premiums on workers' compensation policies down to an average of 5% of premiums on personal auto policies.

In 2012 NJM implemented new Guidewire IT systems for its policy administration, underwriting, and billion functions. The company also implemented Guidewire's client data management system to provide comprehensive customer data.

Company Background

The company was founded as New Jersey Manufacturers Casualty Insurance in 1913.

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New Jersey Manufacturers Insurance Company

301 Sullivan Way
Ewing, NJ 08628-3406
Phone: 1 (609) 883-1300
Fax: 1 (609) 8834835


  • Employer Type: Private
  • President, CEO: Bernard Flynn
  • Pre-press Department: Devin Lesnever
  • Pre-press Department: Heather Lubieski

Major Office Locations

  • Ewing, NJ
  • Trenton, NJ