Riverside Elementary 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) Fiduciary Trust Company of New Hampshire(877) 500-9590 Metropolitan Life Insurance Company(833) 642-1008 PlanMember Services(800) 874-6910 457(b) Fiduciary Trust Company of New Hampshire(877) 500-9590 Metropolitan Life Insurance Company(833) 642-1008 PlanMember Services(800) 874-6910