Trustmark, the parent company of CoreSource, has been committed to providing quality customer service and maintaining product integrity for more than 95 years, delivering competitive benefits and administration services to employer groups at a competitive price.

Trustmark serves employer and affinity groups, brokers and individuals through a variety of organizations. Together, these subsidiaries and operating divisions offer national access to benefits administration services and managed care, as well as life, medical, disability, critical illness and accident insurance.

Trustmark provides freedom of choice, excellent network capabilities, personal service and active cost management. With headquarters in Lake Forest, Ill., Trustmark is and will remain a mutual insurance holding company managed for the benefit of its policyholders.

Financial Strength Ratings:

Rated A- (Excellent) by A.M. Best
Rated A- (Strong) by Fitch Ratings