Trustmark, through its operating divisions and subsidiaries, offers specialized expertise in voluntary benefits, self-funded health plan design and administration, and the delivery of wellness, fitness, recreation, and injury prevention and treatment programs. Trustmark offers all sizes of employers access to benefit options usually reserved for large companies, combined with the personal service you’d expect from a small firm. Our commitment to building long-term, trusted relationships helps people and businesses thrive. Trustmark: benefits beyond benefits.