Allegheny-Clarion Valley 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) Ameriprise Financial(800) 862-7919 Kades-Margolis Corp.(800) 433-1828 Lincoln Investment Planning, LLC(800) 242-1421 PenServ Plan Services(800) 849-4001 Security Benefit Group(800) 888-2461 Vanguard Investments - Plan Number: 426791(800) 569-4903 457(b) Kades-Margolis Corp.(800) 433-1828 Roth 403(b) Kades-Margolis Corp.(800) 433-1828 Lincoln Investment Planning, LLC(800) 242-1421 PenServ Plan Services(800) 849-4001 Security Benefit Group(800) 888-2461