Please note: This is a Sole Source Notification.. The South Carolina Department of Public Health (DPH) is providing public notice of the intent to award a sole source contract to Envision Technology Partners Inc. for the continued operation and support of the South Carolina Immunization Information System (SIMON). This renewal includes ongoing system support, maintenance, and enhancements necessary to meet CDC Immunization Information System (IIS) Functional Standards, fulfill Cooperative Agreement deliverables, and maintain critical features such as the South Carolina Certificate of Immunizations, this system is part of a client consortium that enables cost-sharing for modernization efforts across jurisdictions