The Department of Commerce, specifically the National Institute of Standards and Technology (NIST), is seeking to negotiate a sole-source contract with TA Instruments - Waters LLC for maintenance support and repair services of proprietary equipment utilized in their Engineering Laboratory located in Gaithersburg, Maryland. The procurement is focused on specialized maintenance for instruments such as the TA RSA-G2 and Q600 SDT, which require unique capabilities that only TA Instruments can provide to ensure operational reliability and warranty compliance. Interested parties who believe they can meet these specific requirements are invited to respond in writing by June 23, 2025; however, the decision on whether to pursue competitive procurement will ultimately be at the government's discretion. For further inquiries, interested vendors may contact Robert Cowins at robert.cowins@nist.gov or Hing Pan Wong at hingpan.wong@nist.gov.