The National Institute of Standards and Technology (NIST) is conducting market research to identify vendors capable of providing Ku-band transponder bandwidth on a geostationary satellite. This is a sources sought notice, not a solicitation, and no contract award is imminent. Responses must be submitted electronically to the Contract Specialist by the date and time specified in the notice. No budget information or performance location is specified in this description. The government will use the results to determine if a small business set-aside is possible, with a NAICS code of 517410 and a $44M size standard.