The Winnsboro State Bank & Trust Co. All Credit Levels is a cdfi lender from Winnsboro State Bank & Trust Co.. Winnsboro State Bank & Trust Co. (WSB) is a community bank located in Winnsboro, Louisiana, providing local banking services since 1902. They serve individuals and businesses across Louisiana with a focus on friendly, personalized service and a variety of financial products. Services include: personal loans, business loans, mortgages, auto loans. US Treasury certified CDFI Bank/Thrift in Winnsboro, LA.