The REDF Impact Investing Fund All Credit Levels is a cdfi lender from REDF Impact Investing Fund. Loan terms: Flexible loan capital for employment social entrepreneurs whose lived expertise is their collateral.. The REDF Impact Investing Fund (RIIF) is a certified nonprofit Community Development Financial Institution based in San Francisco, CA, that provides flexible capital and support to employment social enterprises across the U.S. RIIF aims to accelerate the growth of these businesses by offering tailored loan products and leveraging partnerships to enhance capital access. Services include: business loans. US Treasury certified CDFI Loan Fund in San Francisco, CA.