National Insurance Services (NIS) provides employee benefit consulting services, as well as brokerage services for medical, d ... ental, life, disability, and vision insurance benefits for public sector organizations such as schools, cities, counties, municipalities, and libraries. We also specialize in early retiree benefit restructuring services, tax-free options for retiree payouts, as well as, on-site and near-site medical clinics. NIS is trusted by over 2,500 public sector organizations and 500,000 insured individuals in 29 states. We are headquartered in Brookfield, Wisconsin with regional offices in Indiana, Iowa, Michigan, Minnesota, Nebraska, and Pennsylvania. read more