Fort Gibson Public 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. 457(b) GWN Securities(561) 472-2700 Orion Portfolio Solutions(800) 379-2513 The Legend Group-A Lincoln Investment Co(888) 883-6710 Roth 457(b) GWN Securities(561) 472-2700 Orion Portfolio Solutions(800) 379-2513 The Legend Group-A Lincoln Investment Co(888) 883-6710