The VA VISN 22 Network Contracting Office is conducting a sources sought/RFI, not a solicitation, to identify qualified sources for immunoassay reagents, consumables, and supplies for the existing Abbott Architect i1000 analyzer at the Southern Arizona VA Healthcare System (VA Tucson). The required products must be FDA-approved, compatible with the existing analyzer without alteration, and may be brand name or equal to the listed Abbott items. The applicable NAICS code is 325413 with a size standard of 1,250 employees, and responses will be used for acquisition planning; a solicitation may be published later. Interested parties should provide company information, business size status, manufacturer/distributor details, contract vehicle information, general pricing, capabilities evidence for equal items, and a Unique Entity ID. Responses must be submitted by email to Samuel.Han@va.gov; telephone responses will not be accepted.