Sto-Rox 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 Kades-Margolis Corp.(800) 433-1828 Lincoln National Life Insurance Company(800) 454-6265 Nationwide Insurance Company(800) 848-6331 457(b) Equitable(800) 628-6673 Kades-Margolis Corp.(800) 433-1828 Lincoln National Life Insurance Company(800) 454-6265 Nationwide Insurance Company(800) 848-6331 Roth 403(b) Equitable(800) 628-6673 Kades-Margolis Corp.(800) 433-1828 Lincoln National Life Insurance Company(800) 454-6265 Nationwide Insurance Company(800) 848-6331 Roth 457(b) Equitable(800) 628-6673 Kades-Margolis Corp.(800) 433-1828 Lincoln National Life Insurance Company(800) 454-6265 Nationwide Insurance Company(800) 848-6331