Harbor Springs Public Schools MRIC Providers For specific investment provider information, please click on the investment provider name of your choice to visit the company's website. 403(b) Core Investment Provider - GLP & Associates(877) 457-9467 Core Investment Provider - Lincoln Investment through associates of M3 Investment Services(888) 844-7872 Core Investment Provider- Corebridge Financial (formerly AIG Retirement Services-VALIC)(800) 426-3753 Core Investment Provider- MEA Financial Services(800) 292-1950 Core Investment Provider- PlanMember Services(877) 769-4032 Single Source Investment Provider- Midwest Capital Advisors(877) 269-4032 457(b) Core Investment Provider - GLP & Associates(877) 457-9467 Core Investment Provider - Lincoln Investment through associates of M3 Investment Services(888) 844-7872 Core Investment Provider- Corebridge Financial (formerly AIG Retirement Services-VALIC)(800) 426-3753 Core Investment Provider- MEA Financial Services(800) 292-1950 Core Investment Provider- PlanMember Services(877) 769-4032 Single Source Investment Provider- Midwest Capital Advisors(877) 269-4032