The Indian Health Service, Shiprock Service Unit seeks capable Indian-owned economic enterprises (IEE/ISBEE), and invites other capable firms, to provide a hearing aid fitting and verification system with dual-ear measurement, speechmap counseling, bone conduction verification, pediatric probe tube placement, calibrated stimuli, and specified technical performance, plus installation and training for the Audiology Department. This is a sources-sought market research notice, not a solicitation, and responses will help determine acquisition strategy. The Contracting Officer will first consider Buy Indian Act opportunities, then Small Business Act set-asides, under NAICS 334510 with a 1,250-employee size standard. Interested qualified parties should email the Contract Specialist a company profile, capability statement, and, for ISBEEs/IEEs, a completed IHS IEE Representation Form; SAM.gov registration is required when an offer or quotation is submitted and at award.