Harmony 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) Horace Mann Insurance Company(800) 999-1030 Kades-Margolis Corp.(800) 433-1828 Security Benefit Group(800) 888-2461 TIAA - Plan Number: 406084(800) 842-2252 Roth 403(b) Horace Mann Insurance Company(800) 999-1030 Kades-Margolis Corp.(800) 433-1828 Security Benefit Group(800) 888-2461 TIAA(800) 842-2252