The Defense Logistics Agency (DLA) Energy is initiating a sole-source procurement for a proficiency-testing program aimed at enhancing the performance of DLA Energy and Military Service Petroleum Laboratories. This program will involve the procurement of petroleum products, sample preparation, statistical analysis of test data, and the distribution of summary reports, specifically focusing on aviation turbine fuels, #2 diesel fuel, and engine oil lubricants. The correlation program is critical for ensuring compliance with international standards and improving testing accuracy across laboratories. Interested parties may submit capability statements by December 30, 2025, to Ralph Dayougar at ralph.1.dayougar@dla.mil, with the solicitation expected to be issued in January 2025.