This is a Sources Sought notice from the Indian Health Service to identify capable vendors, with preference given to Indian Economic Enterprises (IEEs) and Indian Small Business Economic Enterprises (ISBEEs). The requirement covers water utility, sewage utility, and solid waste collection and disposal services for the Fort Belknap Service Unit in Harlem and Hays, Montana. The period of performance includes one base year with four option years. No specific budget amount or submission deadline is mentioned in the description. Interested vendors must submit a capability statement demonstrating relevant experience and IEE status to be considered a capable source.