Millersburg 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) ASPire Financial Services(866) 634-5873 Corebridge Financial (formerly AIG Retirement Services-VALIC)(800) 448-2542 Equitable(800) 628-6673 Kades-Margolis Corp.(800) 433-1828 Midland National Life(877) 586-0240 Security Benefit Group(800) 888-2461 Vanguard Investments - Plan Number: 436622(800) 569-4903 Roth 403(b) Equitable(800) 628-6673 Security Benefit Group(800) 888-2461