The Indian Health Service, Shiprock Service Unit is seeking Indian-owned and other qualified firms to provide base plus four option years of preventative maintenance on Carl Zeiss Meditec Inc. ophthalmology equipment. Responses are due by Friday, May 22, 2026, at 12:00 PM MST. The applicable NAICS code is 811210, with a small business size standard of $34 million. This is a sources-sought notice for market research only, not a solicitation, and the government assumes no financial responsibility for response costs. Performance location and budget amounts are not specified.