The Department of Health and Human Services, specifically the Indian Health Service, is seeking qualified Native-Owned, Buy-Indian concerns to provide Heating, Ventilation, and Air Conditioning (HVAC) Maintenance Services for the Cheyenne River Health Center located in Eagle Butte, South Dakota. The procurement involves comprehensive maintenance and service for the Building Automation System (BAS), including technical support, on-site training, software updates, and emergency technical assistance, with a requirement for six annual on-site visits for routine maintenance and inspections. Interested parties must respond to this Sources Sought notice by submitting their company information and confirming their status as an Indian Economic Enterprise, as defined by the Buy Indian Act, with responses directed to Velvett Cummins via email. The opportunity emphasizes that this is not a solicitation for proposals, and no contract will be awarded at this stage; however, firms must be registered in the System for Award Management (SAM) to be eligible for future contracts.