Grosse Ile Schools 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) Corebridge Financial (formerly AIG Retirement Services-VALIC)(800) 448-2542 Equitable(800) 628-6673 Franklin Templeton Mutual Funds(877) 219-1229 GLP & Associates(877) 457-9467 Invesco OppenheimerFunds(800) 959-4246 Mass Mutual Life Insurance Company(800) 272-2216 Metropolitan Life Insurance Company(833) 642-1008