The Department of Defense, specifically the Army Contracting Command at the Corpus Christi Army Depot (CCAD) in Texas, is seeking small business concerns to provide annual preventive maintenance (PM) for the Multi Chemistry Analyzer and Gas Chromatograph Mass Spectrometer. The contract will encompass all necessary personnel, equipment, supplies, and services to ensure the proper functioning of these analytical instruments, which are critical for laboratory operations at the CCAD. The contract is structured as a non-personal services agreement with a base year and two optional years, allowing for one PM visit annually and additional repair visits as needed. Interested parties should direct inquiries to Harold "Jay" Russell Jr. at harold.w.russell.civ@army.mil or Archie Covington at archie.l.covington2.civ@army.mil, noting that this sources sought notice is for informational purposes only and does not constitute a solicitation.