Brookhaven Science Associates, LLC, operator of Brookhaven National Laboratory under contract with the U.S. Department of Energy, seeks qualified small-business contractors for a Mechanical Services Basic Ordering Agreement. The contractor will furnish labor, services, materials, tools, equipment, supervision, and other resources for mechanical-construction work on BNL projects, authorized through individual task orders. The procurement is a total small-business set-aside under NAICS 238220, and requires a virtual solicitation overview meeting and site visit on October 15, 2026, with RSVPs due October 9.