Autauga County School System 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) AEA - Alabama Education Association(334) 834-9790 Security Benefit Group(800) 888-2461 TIAA(800) 842-2252 457(b) AEA - Alabama Education Association(334) 834-9790 Security Benefit Group(800) 888-2461 TIAA(800) 842-2252