Greenwood 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 Kades-Margolis Corp.(800) 433-1828 Security Benefit Group(800) 888-2461 Thrivent Financial(800) 847-4836 Roth 403(b) ASPire Financial Services(866) 634-5873 Kades-Margolis Corp.(800) 433-1828 Security Benefit Group(800) 888-2461