Stark 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) Ameriprise Financial(800) 862-7919 Corebridge Financial (formerly AIG Retirement Services-VALIC)(800) 448-2542 Horace Mann Insurance Company(800) 999-1030 Metropolitan Life Insurance Company(833) 642-1008 Security Benefit Group(800) 888-2461