Upper Darby 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) Corebridge Financial (formerly AIG Retirement Services-VALIC)(800) 448-2542 Equitable(800) 628-6673 Kades-Margolis Corp.(800) 433-1828 Lincoln Investment Planning, LLC(800) 242-1421 Metropolitan Life Insurance Company(833) 642-1008 PenServ-PenSelect/MG Trust Company(803) 354-5003 PlanMember Services(800) 874-6910 Security Benefit Group(800) 888-2461 Vanguard Investments - Plan Number: 433864(800) 569-4903 VOYA Financial(800) 584-6001