The Minneapolis Health Care System is seeking information from vendors capable of supplying Specimen Validity and Drug of Abuse Reagent Supplies for market research purposes, with no contract award resulting from this notice. Interested vendors must email their response, including their Unique Entity Identifier and proof of capability, to theresa.thunder@va.gov by May 7th, 2026. The response must address specific questions regarding socio-economic category, manufacturer status, country of origin, existing government contracts, and compliance with subcontracting limitations. Performance location is not specified, and no budget amount is provided. This sources sought is for planning purposes only, and no bid or submission deadlines are included.