Request for Information (RFI) Loopback notice: Based on the technical analysis of the responses received to the RFI posting(s) on both SAM.gov and the General Services Administration (GSA) Multiple Aw... Request for Information (RFI) Loopback notice: Based on the technical analysis of the responses received to the RFI posting(s) on both SAM.gov and the General Services Administration (GSA) Multiple Award Schedule (MAS), the VA s acquisition strategy will be to award the requirements, on a sole source basis, to Ameresco Federal Solutions, Inc. against their GSA MAS Contract 47QSHA21D000R.