Illini West High School District #307 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 Equitable(800) 628-6673 Thrivent Financial(800) 847-4836 Vanguard Investments - Plan Number: 438421(800) 569-4903 VOYA Financial(800) 584-6001