Williamsburg Community 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) Fidelity Investments - Plan Number: 32534(800) 343-0860 Horace Mann Insurance Company(800) 999-1030 Kades-Margolis Corp.(800) 433-1828 Security Benefit Group(800) 888-2461 Roth 403(b) Horace Mann Insurance Company(800) 999-1030 Kades-Margolis Corp.(800) 433-1828 Security Benefit Group(800) 888-2461