The Billings Area Indian Health Service seeks a contractor to provide Pharmacy Reverse Distribution Service under a commercial-item request for quotation. This procurement is unrestricted and open to full competition. The applicable NAICS code is 424210 (Drugs and Druggists’ Sundries Merchant Wholesalers), with a small business size standard of 250 employees. Interested firms must be registered in SAM, and initial SAM registration can take several weeks. The solicitation is governed by FAR Part 12 and incorporates provisions and clauses through Federal Acquisition Circular 2026-01.