The U.S. Army Corps of Engineers, New England District, is seeking contractors capable of providing A2LA-accredited calibration, maintenance, inspection, and repair for eight government-owned industrial hygiene noise monitoring units. Services must comply with DoD, Army, USACE, OSHA, ANSI, A2LA, and manufacturer standards, and include accredited calibration, preventive maintenance, and repair with manufacturer-approved parts. The contractor must maintain ISO/IEC 17025 accreditation and provide NIST-traceable measurements with full documentation. The current intent is to solicit one Request for Quotations later this fiscal year, with responses to this sources sought notice due by July 31, 2026. No budget amount or performance location is specified.