Cornerstone, operating from Charleston, SC, stands as a distinguished regional insurance broker with a specialized focus on medical and ancillary benefits. Their expertise is particularly notable in serving local and regional employers, which is evident in their impressive portfolio of top customers. Among their esteemed clients is the Board of Trustees Waterfront Employers - ILA Welfare Plan, a key player in the water transportation industry based in South Carolina. This organization, boasting over 1300 participants, underscores Cornerstone's proficiency in catering to large-scale, industry-specific insurance needs. Similarly, t...