The Naval Surface Warfare Center Dahlgren Division intends to procure proprietary products/services manufactured by Green Hills Software LLC, with no authorized resellers, limiting competition to the OEM or resellers holding an OEM Letter of Authorization. Offerors must be OEMs or authorized resellers and provide OEM authorization documentation; noncompliant quotations will be rejected. Award will be made on a lowest price technically acceptable basis under simplified acquisition procedures as a firm-fixed-price order, with an anticipated award date by 27 November 2026. All costs, including shipping/freight to Dahlgren, VA 22448-5114 and any tariffs or duties, must be included in the quoted price as separate line items, with no additional costs after award. Green Hills Software LLC is located in Santa Barbara, CA.