The Department of Transportation, specifically the Federal Aviation Administration (FAA), has announced its intent to issue a single-source Blanket Purchase Agreement (BPA) with Microsoft Corporation for Enterprise Support Services. This procurement aims to secure consulting and unified support services, leveraging Microsoft's status as the original equipment manufacturer (OEM) of its products, which includes access to proprietary code. These services are critical for maintaining the FAA's operational efficiency and ensuring the effective use of Microsoft technologies. Interested parties are advised that the FAA is not accepting unsolicited proposals, and any inquiries should be directed to the Contracting Officer at valerie.rinaldt@faa.gov or the Supervisory Contracting Officer at kathryn.scott@faa.gov.