The Texas National Bank All Credit Levels is a cdfi lender from Texas National Bank. Rewards: TNB offers a personal finance education platform called Money Matters and provides community support through donations and volunteer hours.. Texas National Bank is a community-focused financial institution based in Edinburg, Texas, offering a range of personal and business banking services. The bank serves the Rio Grande Valley community, providing financial products designed to meet the needs of individuals and businesses in the area. Services include: business loans, personal loans, mortgages, credit cards. US Treasury certified CDFI Bank/Thrift in Edinburg, TX.