This Sources Sought notice is not a solicitation for proposals, abstracts, or quotations. The Indian Health Service is seeking to identify Indian Small Business Economic Enterprises capable of supplying HVAC/refrigeration parts, equipment, and refrigerant under Buy Indian Act preference. Responses should include a capability statement and the Buy Indian Act Indian Economic Enterprise Representation Form and must directly demonstrate experience and ability to provide HVAC/R repair parts, components, refrigerant, and replacement equipment for preventive maintenance, emergency repairs, and system replacements. Performance locations are Lawton Indian Hospital in Lawton, OK; Anadarko Indian Health Center in Anadarko, OK; and Carnegie Indian Health Center in Carnegie, OK. The applicable NAICS code is 333415 and the PSC is 4130.