This is a Request for Quotation for the inspection and service maintenance of two Trane water chillers, with a one-year base period and four one-year option periods. The work will be performed at the USDA Agricultural Research Service's National Biological Control Lab in Stoneville, Mississippi. This is an unrestricted acquisition, and all responsible sources may submit a quotation. The solicitation includes specific attachments for terms, the statement of work, and a past performance questionnaire.