This is a market research notice, not a solicitation, to identify domestic sources capable of providing a one-year warranty and four option years of preventative maintenance and technical support for a Shimadzu TOC-L Analyzer system. The work involves one annual on-site visit per service year at the USDA, ARS facility in Mississippi State, Mississippi. Interested companies must submit a Capabilities Statement by March 13, 2026, demonstrating relevant expertise and indicating their business size classification. No budget or award amounts are specified. The government will use the responses to decide whether to issue a future solicitation.