The USDA Agricultural Research Service requires single nucleotide polymorphism (SNP) genotyping from DNA extracted from eastern oyster tissues. This commercial-item acquisition is prepared under FAR Part 12 as a combined synopsis/solicitation and is a total small business set-aside. The applicable North American Industry Classification Standard code is 54380, with a small business size standard of $19.0M. Quotations are being requested and no separate written solicitation will be issued. All responsible sources may submit a quotation for agency consideration.