The National Institute of Standards and Technology (NIST) is conducting market research to identify vendors capable of providing Time Scale Synthesizers, with no solicitation currently available. This sources sought notice is not a request for proposals or quotes, and the government will not pay for any information submitted. Responses must be received by the date and time posted in the notice, and no budget amount has been specified. The location for performance of services is not mentioned in the description. Interested firms should submit a capability statement, including the country of manufacture, to determine if a small business set-aside opportunity exists.