Essex Regional ESC 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) Ameriprise Financial(800) 862-7919 Corebridge Financial (formerly AIG Retirement Services-VALIC)(800) 448-2542 Equitable(800) 628-6673 Fidelity Investments - Plan Number: 72888(800) 343-0860 Lincoln Investment Planning, LLC(800) 242-1421 North American Company for Life(866) 322-7069 457(b) Corebridge Financial (formerly AIG Retirement Services-VALIC)(800) 448-2542 Fidelity Investments - Plan Number: 64775(800) 343-0860 Lincoln Investment Planning, LLC(800) 242-1421 North American Company for Life(866) 322-7069