American Benefit Plan Administrators is one of the leading administrators that provide administrative services for employee benefit plans. Founded in 1951, the firm assists labor and management in the development and ongoing administration of benefit plans. With a location in Phoenix, it provides administrative services to more than 140 clients covering over 275,000 plan participants. The firm offers trust fund, pension plan and health and welfare plan claims administration. It also provides contribution accounting and medical case management services. The firm has a network of more than 20 service centers and is a subsidiary of HealthPlan Holdings.