The Security State Bank of Oklahoma All Credit Levels is a cdfi lender from Security State Bank of Oklahoma. Loan terms: We offer a variety of loan products for residential property as well as land/lot loans!. Security State Bank of Oklahoma is a community bank located in Wewoka, OK, providing a range of personal and business banking services. They serve individuals and businesses in Oklahoma, offering various loan products including personal loans, business loans, and mortgage options. Services include: personal loans, business loans, mortgages. US Treasury certified CDFI Bank/Thrift in Wewoka, OK.