The Indian Health Service, Gallup Service Unit is seeking capable Indian-owned businesses for a Blanket Purchase Agreement to provide specialized microbial testing services and training. The required services include supplying specific agar and media, conducting microbial tests per USP <797>, and training on sample collection and handling. The anticipated period of performance is a base year from March 13, 2027, to March 12, 2028, with two one-year option periods. The work is associated with the Gallup Service Unit location. This is a sources-sought notice for market research to inform the acquisition strategy and is not a formal solicitation.