The Naval Research Laboratory seeks a firm-fixed-price contract for calibration services, with a base year from February 1, 2026, to January 31, 2027, and four one-year option periods. Services will be performed at the NRL facilities in Washington, DC; Monterey, CA; and Stennis Space Center, MS. The procurement is a total small business set-aside under NAICS code 541380, requiring the contractor to be an authorized OEM distributor providing new equipment with a full manufacturer's warranty. The evaluation will follow a Lowest Price Technically Acceptable (LPTA) process. Quotations must be submitted via email and must include a statement accepting the solicitation's terms and conditions.