Ocosta 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) Horace Mann Insurance Company(800) 999-1030 PenServ-PenSelect/MG Trust Company(803) 354-5003 ReliaStar Life - Subsidiary of VOYA Financial(877) 882-5050 Thrivent Financial(800) 847-4836 Vanguard Investments - Plan Number: 430209(800) 569-4903