Indiana Area 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) American United Life Insurance Company(800) 249-6269 Equitable(800) 628-6673 Horace Mann Insurance Company(800) 999-1030 Horace Mann Retirement Advantage(844) 895-0980 Kades-Margolis Corp.(800) 433-1828 Nationwide Insurance Company(800) 848-6331 Roth 403(b) American United Life Insurance Company(800) 249-6269 Equitable(800) 628-6673 Horace Mann Insurance Company(800) 999-1030 Horace Mann Retirement Advantage(844) 895-0980 Kades-Margolis Corp.(800) 433-1828 Nationwide Insurance Company(800) 848-6331