The National Institute of Standards and Technology (NIST) is conducting market research for ultra-high vacuum compatible optical mounts and motion controllers to support EUV scintillator characterization. The requirement includes eight 1-inch and four 2-inch piezo-driven optical mounts with ±5° angular range, plus two motion controllers for 24 axes. This is a sources sought notice for information gathering only, not a solicitation or commitment to award a contract. No budget amounts, submission timelines, or performance location are specified in the notice. Interested parties should provide company details, product specifications, and capabilities as outlined in the response instructions.