Humphreys County Bd of Ed 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) Equitable(800) 628-6673 Horace Mann Insurance Company(800) 999-1030 Invesco OppenheimerFunds(800) 959-4246 Metropolitan Life Insurance Company(833) 642-1008 457(b) Equitable(800) 628-6673 Metropolitan Life Insurance Company(833) 642-1008