The Department of Commerce, specifically the National Institute of Standards and Technology (NIST), is seeking information from potential contractors for the delivery of liquid helium (LHe) in contractor-owned dewars of 100 and 250 liters on an as-needed basis. The contractor will be responsible for providing necessary personnel, equipment, and facilities while ensuring compliance with safety regulations and maintaining the integrity and purity of the helium. This procurement is crucial for NIST's cryogenic applications, and the contract will include a base period plus four option years for performance. Interested parties must submit their interest and capability documents, limited to 20 pages, to the primary contact, Shawn Borisow, via email by 2:00 PM MT on June 30, 2025.