Carteret County Public Schools Authorized Investment Providers For specific investment provider information, please click on the investment provider name of your choice to visit the company's website. 403(b) Lincoln Investment Planning, LLC (Pershing custodian)(800) 242-1421 457(b) Lincoln Investment Planning, LLC (Pershing custodian)(800) 242-1421 Roth 403(b) Lincoln Investment Planning, LLC (Pershing custodian)(800) 242-1421 Roth 457(b) Lincoln Investment Planning, LLC (Pershing custodian)(800) 242-1421