The Great Plains Area Indian Health Service is seeking qualified sources for a five-year Firm-Fixed-Price IDIQ contract to provide reference laboratory testing, pathology services, laboratory directorship, technical supervision, consulting, and equipment maintenance for clinics and hospitals. Services will be performed at multiple IHS facilities in North Dakota and South Dakota. This is a sources sought notice for market research purposes only, not a solicitation. Capability statements are due by July 13, 2026, at 2:00 PM Central Time. No budget amount is specified.