Mineral County 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) American Fidelity Assurance Co.(800) 654-8489 ReliaStar Life - Subsidiary of VOYA Financial(877) 882-5050 Security Benefit Group(800) 888-2461 VOYA Financial(800) 584-6001