This Sources Sought Notice is issued for market research purposes only and does not constitute a solicitation or commitment by the Government. The Defense Finance and Accounting Service (DFAS) is seek... This Sources Sought Notice is issued for market research purposes only and does not constitute a solicitation or commitment by the Government. The Defense Finance and Accounting Service (DFAS) is seeking information from interested and capable vendors that can provide maintenance and on-call service support for Closed-Circuit Television (CCTV), Intrusion Detection System (IDS), and Access Control System (ACS) located at DFAS Indianapolis, IN (DFAS-IN).