Medford Lakes School District 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) Equitable(800) 628-6673 Lincoln Investment Planning, LLC(800) 242-1421 Metropolitan Life Insurance Company(833) 642-1008 Roth 403(b) Equitable(800) 628-6673 Lincoln Investment Planning, LLC(800) 242-1421 Metropolitan Life Insurance Company(833) 642-1008